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14.70s with TBI

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Old Sep 14, 2001 | 03:39 PM
  #1  
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14.70s with TBI

I got my 90 RS in the 14.70s Now i need to put in the LT1 cam.

I am very happy with the little blue brick!

------------------
90RS 305TBI\5-speed
Fastchip
Open Air Cleaner
1.5 Roller Rockers
Lakewood LCA & Panhard,10 Bolt Posi-Disk Rearend 3.42
KYB all around
Energy Supension front end kit
36/24 Sway bars
Dual Fans
In the works-
LT-1 Cam

1994 Formula
Custom PCM
LCA's
Panhard Bar
Posi 3.42
Ported MAF
K&N air
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Old Sep 14, 2001 | 03:51 PM
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From: Davison / Troy ,Michigan
Car: 1991 Pontiac Firebird
Engine: 3.8
Transmission: 700r4
Axle/Gears: Dana 60
Um, i don't beilve u. LoL. Sorry man but the only thing I see on ur car that would actually give u hp/tq is 1.5 rockers. Sorry to call u out like this but ur either not tellin us something or ur trying to play us like fools, and were aren't fools.

------------------
Eric Natzke
91 Firebird 305 TBI
"It Ain't Stock"
http://members.aol.com/j007golden/91firebird.html
For info on certain parts or mods go to the site below
http://members.aol.com/j007golden/modeval.html
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Old Sep 14, 2001 | 06:13 PM
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I'm not gonna call you a liar, but that sure is hard to believe. That would suggest you're putting out about 225 hp on a stock 305 TBI, and that's just not right. Something is not adding up.

Jason
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Old Sep 14, 2001 | 06:52 PM
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the car comes stock with 1.5 rockers, so that didn't really do anything. if they are full rollers they would only be worth maybe 5-7hp at the crank.

sorry dude, someone already went down this road a few weeks ago.

later
tim

------------------
91 Camaro RS-LO3,Auto.
14.209@95.46mph
Best 60' 1.917
Check Out The East Coast F-Body Nationals Home Page
www.geocities.com/njspeeder

My MAFB.ORG Home Page
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Old Sep 14, 2001 | 07:52 PM
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From: Davison / Troy ,Michigan
Car: 1991 Pontiac Firebird
Engine: 3.8
Transmission: 700r4
Axle/Gears: Dana 60
LoL, anyone remember that guy that said he had that Edelbrock power package on his 305 and it ran 13's? 91Bluebird or something like that. It was a long time ago. Man that guy was funny. On his engine pic he sent me he had a manifold painted blue with the stock air cleaner setup but with a 14" K&N extreme lid. LoL

------------------
Eric Natzke
91 Firebird 305 TBI
"It Ain't Stock"
http://members.aol.com/j007golden/91firebird.html
For info on certain parts or mods go to the site below
http://members.aol.com/j007golden/modeval.html
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Old Sep 14, 2001 | 10:40 PM
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LOL Guys Here is a more complete list. I will give you a better break down of the engine after I find some of the papers.The engine is a 305 TPI long block with a moddied TBI on it.It has a ton of old school tricks.

1990 RS Blue,T-top. 92 5.0 TBI Engine, 92 5-speed transmission, 92 Wiring harness. 92 interior, Ed Wright Fast Chip,Open air cleaner non drop base type,1LE drive shaft, 89 Iroc-Z Sport ride springs. Wonder bra(front subframe brace), 36 mm front sway bar,24 mm rear sway bar, KYB G2 struts and shocks,Polyurethane end links. Energy Suspension front-end kit, Lakewood lower control arms,Lakewood adjustable panhard bar,95 Z28 3.42 posi disk brake rear-end, 16-inch 92 wheels.Auto-optics headlights 100 watts apiece, 89 Dual electric fan setup. Car has new fuel filter,fuel pump, plugs, distributor cap and rotor button, new 02 sensor, new clutch, pressure plate, and throw out bearing,new battery.Maybe 10000 miles on the rebuilt motor,1000 miles on the clutch,less than 200 miles on the other new parts.

Closer to 215 hp in current trim.
Thank you for not beliveing,I was afraid that this board may have RICED OUT and be blowing smoke up each others but.

But is does run 14.70s......

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Old Sep 14, 2001 | 10:51 PM
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BTW HP is the only have the part of putting a car down the track at speed. Any of you boys ever heard of Darg Radials? or Slicks?
How about unhooking the front sway bar to help with weight transfer? Here is another one for you Air bag in the right rear spring to help plant the rear end.
Every 100 pounds you take out of a car is worth a 10th of a sencond going down the track. No spare, no rear seats.
I would hate to have to put ever detail about my car in my signature it is like writing and reading a book.
Class dismissed.
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Old Sep 14, 2001 | 11:09 PM
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I hope my signature will tell you more now than it did before.
I have had my car for about 7 years and I have had more than enuff time to get it were it is now.I just wished that I had put a LT1 and T56 in the car when I changed engines and transmisions instead of the setup I have now.The car was a 305 and A4.
I have everything from 2.73 gears to 3.73 gears in this car.

------------------
I think theSun Visiors are still Stock,Anybody no were I can get some after market ones?
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Old Sep 14, 2001 | 11:31 PM
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man chill out your acting like a ********
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Old Sep 15, 2001 | 12:00 AM
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"The engine is a 305 TPI long block with a moddied TBI on it."

That probably helped considerably, if the long block came with the heads from the TPI engine. Between that and the weight transfer/traction tricks i'd say I'd belive its good for a 14.7. Thanks for explaining it in more depth, lol nice sun visor comment.

------------------
88 Camaro (The mighty LO3 SC!)
305TBI/700R4/2.73/123,XXX miles
14" Open Element and Flowmaster 80 seires

Next up: headers and gears
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Old Sep 15, 2001 | 09:49 AM
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I just got pissed off.that all. i should have listed more of the mods my fault as much as theirs.

Engine
9.8 to cr pistions
Heads shaved .020
Thin head gaskets.
Gasket matched intake and heads.
Screens placed in between the two to help with fuel atomiztion(bad spelling)
Exhaust(bad spelling) ports polishisd.
350 exhaust manifolds.
Rotating assmembly balanced.(rods,pistions,crank shaft.
Stock 350 TPI cam.(it was all i could get my hands on at the time)
Windidge(bad spelling)tray in bottom end.

------------------
I think theSun Visiors are still Stock,Anybody no were I can get some after market ones?
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Old Sep 15, 2001 | 12:35 PM
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i can see it.. i was runnint 15.2s w/ an exhaust,ported TB,open element w/k&n,afpr and headers.

later,
RS

------------------
<A HREF="http://ca.geocities.com/zander0710/" TARGET=_blank>
1992 Camaro RS</A>
****In The Work****
94' Z28 Drivetrain(LT1,4L60E,PCM,3.42 posi w/ disk), Walbro 255P fuel pump
!A/C,!cat, !A.I.R, Full Hooker exhaust,Custom program(Rev.b based)
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Old Sep 15, 2001 | 06:02 PM
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Bwahahah
cmon man

LT1 cam and L98 cam are about the same damn thing! and the screen gaskets!??! For the love of *** remove that crap.
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Old Sep 15, 2001 | 06:52 PM
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Car: 1991 Pontiac Firebird
Engine: 3.8
Transmission: 700r4
Axle/Gears: Dana 60
Hehe, see Nic? I think it is time....mwhahahaha

Pablo is back, I am back, the bullsh*ters have arrived. Heck, all I need now is ONEFINE8T9 to talk about his low mileage car runs better then my high mileage car so that low mileage is a mod. LoL.
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Old Sep 15, 2001 | 08:00 PM
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Car: 92 RS
Engine: 406 SBC
Transmission: 4R70W
Axle/Gears: Moser/Strange 9" 3.73, spool
My 305 TBI is dead stock and runs 11's
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Old Sep 15, 2001 | 09:01 PM
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Hey Pablo! Remember I sold you a torker 2 intake.I may have been going by the name camaro 90 at the time.

I have pull ever little dirty trick in the book on this car.I have forgotten half the stuff I have done to this car because I quit driven it when I bought my 1994 LT1 Forumla.

The TBI mods,bigger injectors, the list goes on and on.
The car has over a 9.8 to 1 cr ratio.

What do you want for proof?
Take picks of them and post them?Or do you want to ride in the car?

Let me know,I don't know of any other way to prove it to everbody.

Thanks for the kind words.


------------------
I think theSun Visiors are still Stock,Anybody no were I can get some after market ones?
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Old Sep 15, 2001 | 09:03 PM
  #17  
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Hey Duke,

You must have that car chain to a pro street car and be slowing the pro street car down going thru the 1/4 mile.


------------------
I think theSun Visiors are still Stock,Anybody no were I can get some after market ones?
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Old Sep 16, 2001 | 09:32 PM
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I believe you. You know why? Because I want to. That's it.

------------------
1992 Camaro RS (Auto) 5.0L TBI
-
Performance mods
NOS (125 HP shot)
Dynomax cat-back exhaust
Hedman headers
K & N open element/ X-Stream lid
MSD 6A ignition
LT1 camshaft
MSD 8.5mm plug wires
Soon to be installed:
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3.42 rear axle
B & M 2400 RPM stall torque converter
Transgo shift kit
Torquer heads

Audio
Sony Xplod CDX-M610 head unit
Pioneer 2-way 4x6 front speakers
Pioneer 3-way 6x9 rear speakers
12 inch Pioneer VCCS PRO subwoofer
QLogic sealed box
Kicker ZR360 amplifier
Lightning Audio 1 farad capacitor

Other
Macewen White Faced Gauges/Shift overlay
A-pillar gauges (Phantom oil pressure, Air/Fuel)
180* thermostat
Window Tint
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Old Sep 17, 2001 | 04:48 AM
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I'll say I believe him. If he was going to lie he'd be in at least the low 13s I know I would be

------------------
'87 Silverado
350 4 bolt main bore .040 over
TB Injected
Ported and Polished heads
Comp cams 268h cam and top end
Flowtech headers
3.73s on Detroit locker
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Old Sep 17, 2001 | 07:02 AM
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From: Davison / Troy ,Michigan
Car: 1991 Pontiac Firebird
Engine: 3.8
Transmission: 700r4
Axle/Gears: Dana 60
I would be in 12's because that what I want.

------------------
Eric Natzke
91 Firebird 305 TBI
"It Ain't Stock"
http://members.aol.com/j007golden/91firebird.html
For info on certain parts or mods go to the site below
http://members.aol.com/j007golden/modeval.html
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Old Sep 17, 2001 | 08:42 PM
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Duke if you are running 13s with a bone stock camaro...i am sending mine over so you can rip off the things I did to mine so I can get 13s hahahah
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Old Sep 17, 2001 | 08:57 PM
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Car: 96 Impala SS
Engine: LT1
Transmission: 4L60E
<font face="Verdana, Arial" size="2">Originally posted by Duke:
My 305 TBI is dead stock and runs 11's</font>
Is that in the eighth mile or your 0-60?
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Old Sep 17, 2001 | 09:03 PM
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ouch! lol
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Old Sep 21, 2001 | 02:48 PM
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that was you? damn that was awhile ago! i thought it was some dude named james or something is that your name? maybe im off

Hey the torker is working great btw

and I reiterate what i said above

As constructive criticism of course
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Old Sep 25, 2001 | 10:40 AM
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Hey did you notice how the more you call him out on it the more thathas been done to the car. Im stil calling BS. Period BS. If you had a TPI long block and the heads shaved and Bla Bla BLa BLa and removing weight and removing this and that you would be running better than a 14.7. If you have done all of that and thats all the faster you going... um well pathetic.
Sorry I have to say it
BULL FU(KING ****
Im done

------------------
89 Trans Am Turbo 3.8L All stock 43,000 miles #1053 of 1555

Past Thirdgen:
86 Trans Am w/ built 355TPI with SLP goodies and too much other stuff to List. One sweet *** car, wish I would have had a good enough Job to pay insurance on three cars so I could keep it, but for a 89 Turbo Trans Am w/ Low miles, I think I made the right choice!
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Old Sep 26, 2001 | 05:26 PM
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Hmm no further comments. He gave up 'cause he knows his just shooting **** trying to impress us.

------------------
89 Trans Am Turbo 3.8L All stock 43,000 miles #1053 of 1555

Past Thirdgen:
86 Trans Am w/ built 355TPI with SLP goodies and too much other stuff to List. One sweet *** car, wish I would have had a good enough Job to pay insurance on three cars so I could keep it, but for a 89 Turbo Trans Am w/ Low miles, I think I made the right choice!
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Old Sep 27, 2001 | 07:22 AM
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No,I did give up. I do have a job to do,and can not surf the net all day.

What do you want?
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Old Sep 27, 2001 | 07:44 AM
  #28  
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Go to www.gafba.com look in the members section for Larry Taylor.

I just traded my 1994 Formula for a 1999 Z28,but I guess i am full of Bull**** about that too.....

This board used to be so much better.
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Old Sep 27, 2001 | 11:54 AM
  #29  
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I'll tell you what the problem is. You post saying 14.70's with a 305 TBI. That is just wrong UNLESS you give us some legit details as to why YOU think it's running those times. I could say I'm running a 350 with TBI and getting high 13's but what did that do for you? nothing, yeah, so understand that we're all very interested on HOW you got those times because many on this board would like to know some of those little tricks. If all you did was little things than please list them so others can try for themselves. This isn't just a board for posting your time, it's a info/tech board. Your post gave little to no info in the beggining so understand that you're going to get a little heat.

------------------
, Jon (350 TBI!)
91 Red My website
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Old Sep 27, 2001 | 12:56 PM
  #30  
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Thank you for not attacking me.

Engine is a 305 TPI motor long block,
Rotating assembly Balanced by me, Windidge (bad spelling) tray, 9.8 to 1 compression pistons, Heads shaved .020(more CR), Thin head gaskets (more CR), Gasket matched intake (Intake from 91 350 truck) and heads by me. Smallest metal screen wire I could get my hands on placed in between the intake and heads (you can buy your intake gaskets made this way from Summit or Jegs) to help with fuel atomization, Exhaust ports polished by me.350 exhaust manifolds.160 degree thermostat
Roller rockers 1.5, 92 350 TPI cam, The TBI is from a 91 350 Truck with all the Adjustable AFR mod and the ridges ground down to help with smooth air flow. I have a non-drop base air cleaner.

I have a hollow Cat and no Smog equipment at all. Fast Chip. The plugs, wires, distributor cap, rotor button, fuel pump, fuel filter, O2 sensor, coil are all brand new.
The clutch and pressure plate is 30% over stock ram unit.
I also have the 1LE drive shaft. Lakewood control arms, Adjustable Pan hard bar, Air bag under the right rear. 95 Z 28 posy disk brake rear with 3.42 gears.

I had no spare, jack, and back seats in the car when I made my last run. I can’t remember how much gas was in the car when I made the run.

That is all I can remember at this point, I hope that help clear this up some.

Everything you do to a car must work together engine and suspension.
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Old Sep 27, 2001 | 02:49 PM
  #31  
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YEa and the problem I have is that a lot of your mods are just crazy. Why 350 manifolds??? why didnt you just get headrers. Is there really a difference between the 305 and the 350 exhaust manifold? Oh wait back to my problem. It seemed as if you added soemthing new to your car each time someon called you out on it. I still dont believe you, and I dont care if you have a 99 Z28 cause mine is still faster. So there suck that from my wastegate. Though if you tell me you traded someone a 94 Fromula for a 99 Z28 then yes I am going to call you out again on that one. Now if you say you traded it in, well hell they would take my Escort for trade in on one. Sorry man I want pics and timeslips before I am ever going yo believe you now.

------------------
89 Trans Am Turbo 3.8L All stock 43,000 miles #1053 of 1555

Past Thirdgen:
86 Trans Am w/ built 355TPI with SLP goodies and too much other stuff to List. One sweet *** car, wish I would have had a good enough Job to pay insurance on three cars so I could keep it, but for a 89 Turbo Trans Am w/ Low miles, I think I made the right choice!
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Old Sep 27, 2001 | 02:57 PM
  #32  
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From: Warner Robins, Ga
Car: 1991 Camaro Z28
Engine: 350 TPI
Transmission: 700R4
What was the MPH? 60' foot? 1/8 mile time?

------------------
91 Z28
Best Time Slip:
60' - 2.098
1/8 - 9.137 , MPH - 76.21
1/4 - 14.213, MPH - 97.55
Performace Mods: B&B Exhaust, few free mods.
Appearance Mods: SS wheels, 2.5" Cowl Hood... New 100% Black paint job, Clear Side Marker Lights
Stereo: Alpine 855, Infinity Kappas all around, Infinity 150x2 amp (POS), Infinity Perfect 10 in hatch.
Pictures are Here
ICQ: 1437212
AOL: normalmatt9
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Old Sep 27, 2001 | 07:50 PM
  #33  
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Car: 91 Red Sled
Axle/Gears: 10bolt Richmond 3.73 Torsen
Kyle, you having a bad day?
As for the difference between 305 and 350 exhaust manifolds....yes, there is a difference. There is even a difference between the 305 TBI and 305 TPI manifolds. TBI has about the same crappy y-pipe as the LG4 while the TPI got a larger exit.
I can believe that he traded a 94 formula. From what he's said I don't think it was all OEM. Oh yeah, and from his other posts he doesn't always include all the info right away (unless asked...) so who knows. Maybe it was a blown 94 or maybe it had a 383 or other work done.
BTW, Kyle, I'm back in Ohio. you can message me at AIM: JPrevost

------------------
, Jon (350 TBI!)
91 Red My website
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Old Sep 27, 2001 | 07:52 PM
  #34  
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Let me also remind many of you about Tim (NJSpeeder) and how he's running 14.20's with the stock bottom end, N/a, AND with the stock cam!! Yes he has $1100 heads and 1.6 rockers but still, do the math and I can definatly see him doing 14.70's with bumped compression and desent heads.
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Old Sep 27, 2001 | 08:21 PM
  #35  
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My hole thing about this post was that how every time someone called hom out something more got added. I also feel that with that much work you should gain more than a 1 sec. off you 1/4 mile time.
Though I do seriously question trading a 94 Formula straight up for a 99 Z, and if you have a 99Z sell that TBI and invest in speed parts for the LS1. I mean they started off with more that 2 times as much power.

As for having a bad day... when am I not having a bad day anymore. I swear I live in the engineering building. I think I am going to live in a tent on the front lawn next year.

Jon great to see you back. Brain has just about got all the bugs worked out of his car and it is pretty damn sweet. Though you missed the Nitrous install on Pete's 87 Z28. It was kinda funny.
The turbo is almost complete. Complete enought that if you ever want to make the trip to Wheelersburg I can take you a short ride in it.

------------------
89 Trans Am Turbo 3.8L All stock 43,000 miles #1053 of 1555

Past Thirdgen:
86 Trans Am w/ built 355TPI with SLP goodies and too much other stuff to List. One sweet *** car, wish I would have had a good enough Job to pay insurance on three cars so I could keep it, but for a 89 Turbo Trans Am w/ Low miles, I think I made the right choice!
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Old Sep 27, 2001 | 08:53 PM
  #36  
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whole not hole.
whole = entire thing
hole = middle of a doughnut
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Old Sep 28, 2001 | 08:07 AM
  #37  
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I think Kyle is having a bad day.

Kyle glad you have a Turbo V6 that can out run my LS1, but who cares 1000s of people have faster cars than both of us.
What was your point?

No I did not trade even, never meant that I traded even and sorry if it sound that way. But your right J Prevosit it was not OEM and I got more than the car was worth on trade in.
Cat back, Custom LT1edit program, CAI, Home made Ram Air and half a dozen other free mods done to the car.

Just kind of tired of being a attacked by someone who doesn't know even the basics of making the TBI go faster cheaply, anybody can "check book" race, not everybody can do it on a budget.
I have trade for parts, bought wrecked Camaros for budget performance parts to get were I am on this RS. Wish I could drop $1100 on heads but I don’t have the money to spend on headers and stuff all the time.

It had been over a year since I have done the major work to the RS so my memory is not the greatest on the details and I have to look at recites and papers, And having multiple performance cars over the last 5 years makes it even harder. I have had the RS for 7 years and it is hell trying to remember everything I have done.

I will try and hunt for the time slips and put them up on a web site, I will be waiting for somebody to say they did not come from my RS car after I post them.
LOL this is getting funny.

I am going to the Fall Shoot Out this weekend so forgive me if I don’t Post or reply to anything till Monday. I am still trying to learn how to launch the LS1 and the RS has taken a back seat. www.gafba.com


J Prevosit I noticed you on said high 13s, Did you just break in with 13,9x’s or are you deeper than that?
The 1994 Formula I had would just make it in to the 13,8x’s with 2.73 gears. So you car is enough to give a lot of LT1 a heart trouble.

Later Guys,

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Old Sep 28, 2001 | 10:44 AM
  #38  
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From: Columbus,OH
Yea Jon's car is pretty stout. Its really funny thats its a TBI because you just dont see many TBIs in the 13's.
Well I will shut up if I see time slips.

------------------
89 Trans Am Turbo 3.8L All stock 43,000 miles #1053 of 1555

Past Thirdgen:
86 Trans Am w/ built 355TPI with SLP goodies and too much other stuff to List. One sweet *** car, wish I would have had a good enough Job to pay insurance on three cars so I could keep it, but for a 89 Turbo Trans Am w/ Low miles, I think I made the right choice!
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Old Sep 30, 2001 | 05:26 AM
  #39  
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LT90RS not tring to flame you or harras you but why did you put a screne in the intake gaskets those screens are for carb cars that do not atomise the fuel. The screens are not helping you they are prob hurting you due to the fact that you are dealing with a fuel injected engine that does not need aid in atomisation.

The theory behind those screens is that the fuel from a carb is in drops and the drops of fuel will hit the screen and break into many smaller drops.

The injectors in your throttle body are atomising the fuel much finer than those screens could ever produce.

Just my $.02
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Old Sep 30, 2001 | 04:05 PM
  #40  
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From: Hawaii
Car: 1984 Chevy Camaro
Engine: Built L98
Transmission: T-56 6 speed
My car used to run 14.9's. And now I put better headers, and a 3" exhaust. But now my car is having problems with knocking. Dammit I really need to run premium gas. I was going to run premium but the day before the tracks my dad put 87 in the tank. So my car was knocking. Oh well...next time I'll put 93 and some octane booster. My car should definitly be atleast teh 14.6's

------------------
Chris
91 RS 305 TBI
Eternal Rev

I am sad my car is hurt...
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Old Sep 30, 2001 | 04:18 PM
  #41  
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Car: Turbo Buick
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Actually poncho, those screens dont belong really on any car concerned with performance.
A carb actually atomizes fuel better than TBI believe it or not, however if we were to take an average of how well the fuel was being delievered, the tbi would easily win out. When the airflow is optimal through the carb it does a much better job of making that fuel atomize. I might be using the wrong terms but TBI more or less just "shatters" the fuel as it comes out of the injector, like a fine particulate, whereas a carb introduces fuel via pressure differential like a cloud is formed (well maybe thats not a good way to explain it since clouds are essentially just water droplets) Carbs usually beat FI in peak HP at high rpm for this very reason but FI delivers a much flatter torque curve (better numbers under peak) cuz the carb doesnt introduce fuel as efficiently across the board especially at low rpm, low pressure differential situations like for example on your typical single plane when compared to a dual plane thats why TBI rocks on single planes

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Old Sep 30, 2001 | 08:54 PM
  #42  
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I wish that I had not put the screens in there.
At the time that I had done the screens I had been convinced that the fuel would still "puddle" in the intake

Don't belive everything you hear or read.

Going to bed,got up at 5 am to make a 440 mile round trip dive today to go drag racing.

I will be looking tomorrow for the time slips for the non belivers.

PS 4 days with the LS1 and all I could do was spin the tires and get everthing from a 13,85 up to a 15,29.
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Old Oct 1, 2001 | 11:17 AM
  #43  
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The time slips are at http://communities.msn.com/LTSCARS/s...hoto&PhotoID=7

I am car number 22.I was trying to hard to beat the a 96 camaro(#4) that night and spining the tires to much off the line.

There is nothing more I can do to prove the Car runs that fast but say get your @ss in the car,hold on and shut up.

Later Guys.

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Old Oct 1, 2001 | 01:20 PM
  #44  
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Car: 91 Red Sled
Axle/Gears: 10bolt Richmond 3.73 Torsen
maybe I'm not seeing it but where is the 1/4 time and mph j/k
It works out about right. Nice 60' considering your mods.

------------------
, Jon (350 TBI!)
91 Red My website
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Old Oct 1, 2001 | 02:11 PM
  #45  
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From: Columbus,OH
Well I can say that is a decent 1/8th mile itme, but why no 1/4 mile? I dont know how to approximate the 1/4 mile time off an 1/8th mile time but I know it can be done.
Now I know you have a fast TBI from those timeslips, but why claim a 1/4 mile time if all you have is 1/8th mile slips?

Oh well Like I said we can see your making some good headway, but where did the 1/4 mile times come from?
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Old Oct 1, 2001 | 02:38 PM
  #46  
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Take 1/8th the mile time,divide it by .64 or .65 you get a real close shot at your 1/4 mile time.
I use a harsher .638 factor.

You can also mutiple the 1/4 time by .64 or .65 to get your 1/8th time.
Some very old tracks do not have times for the 1/8th.

I live 12 miles from a crappy up hill 1/8 th mile track, but drive 35 to a much better 1/8 track.

The closest 1/4 track to me is Comerce(?)Ga or Steel Al,both about 140 miles one way for me.I only make to 1/4 mile track twice a year.
So I run the 1/8th and convert.


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Old Oct 1, 2001 | 07:34 PM
  #47  
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Ah yes... case solved. The conversion only holds true in some cases. YOu know thats not a perfect equation but a rule of thumb.
The TBI runs out of air in the upper RPMs which you will be appraoching at the end of the 1/4 causing some loss of acceleration.
I would say you need to actually run the 1/4 mile before posting 1/4 mile times. It will cut down the flames.
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Old Oct 1, 2001 | 07:39 PM
  #48  
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Oh and according to your conversion using the .638 here is your times

9.510 in the 1/8 = 14.906 in the 1/4
9.152 in the 1/8 = 14.345 in the 1/4

ok so the first isn't a 14.7 and a 14.3????? are you serious?
I know you have the time slips but a 14.3????

------------------
89 Trans Am Turbo 3.8L All stock 43,000 miles #1053 of 1555

Past Thirdgen:
86 Trans Am w/ built 355TPI with SLP goodies and too much other stuff to List. One sweet *** car, wish I would have had a good enough Job to pay insurance on three cars so I could keep it, but for a 89 Turbo Trans Am w/ Low miles, I think I made the right choice!
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Old Oct 2, 2001 | 07:09 AM
  #49  
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Dude! I am the #22 car not the #4 car!You took the time from the number #4 car.
I wish I was the #4 car!
My second time works out to be 14.617 but the track people had just put done track work and put down ton of VHT and my car felt like it was rolling in bubble gum.I don't count that 14.61 as what the car is capable of every time because of the track work and VHT being done right before I made my pass.
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Old Oct 2, 2001 | 07:10 AM
  #50  
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Maybe it can go 14.6x's I don't know but that was my best pass ever.
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