TBI Throttle Body Injection discussion and questions. L03/CFI tech and other performance enhancements.

Damn that was fun.

Old Feb 10, 2004 | 11:49 PM
  #1  
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Engine: 305ci TBI
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Damn that was fun.

Well I just got back from my State inspection, that I FAILED! because he saw i ripped out my A.I.R. Tubes (which im going to make fake ones and bring it back ) I was thinking why not take off the T-tops and go speed a bit. ( i usually dont and being in Virginia and having 200 cops everywhere at all times ) My car acually surprised me when i gunned it from 45-75mph from 4th to 3rd Ripping it in an overpass with the Ts down is SICK!

Thease damned things open up alot with exhaust and open element It was a nice day for a change cuz of all the damned snow, so i had a plesent day and wanted to share \m/ Tell a cool story you did or some ****, kinda have a fun thread wile im back at the forums. Peace

Steve

Last edited by SSBlueOx; Feb 10, 2004 at 11:53 PM.
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Old Feb 10, 2004 | 11:51 PM
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From: Dayton, O.
Car: 91 Camaro Z28
Engine: LS7
Transmission: M12/T56
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Did you fail the visual or the sniffer? I dont have any of my air stuff and Im ... fairly modded ... and I passed the sniffer.
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Old Feb 10, 2004 | 11:53 PM
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Car: Camaro RS
Engine: 305ci TBI
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Originally posted by Chuck!
Did you fail the visual or the sniffer? I dont have any of my air stuff and Im ... fairly modded ... and I passed the sniffer.
Naw i can pass the sniffer with decent scores but the visual is what i failed. So ima just make a fake air tube thing

Steve
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Old Feb 10, 2004 | 11:55 PM
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From: conway, s.c.
Car: 1989 Iroc-Z
Engine: 5.7L TPI
Transmission: 700R4
Hey SSBLueOx,

Be thankful you don't live in Finland, check this out.

http://cnn.netscape.cnn.com/news/sto...7.htm&sc=reodd
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Old Feb 11, 2004 | 12:48 AM
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From: San Jose, CA
Car: 2002 Z28
Engine: LS1
Transmission: 4L60E
Axle/Gears: 3.23
just wondering how you came to the conclusion that you have 240HP and 340ft-lbs of torque when our engines are only 170/255 from the factory.
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Old Feb 11, 2004 | 11:09 AM
  #6  
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Car: Camaro RS
Engine: 305ci TBI
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Originally posted by vjo90RS8
just wondering how you came to the conclusion that you have 240HP and 340ft-lbs of torque when our engines are only 170/255 from the factory.
Go here This is where i based my guesstimation on the HP.

Steve

Last edited by SSBlueOx; Feb 11, 2004 at 11:12 AM.
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Old Feb 11, 2004 | 12:17 PM
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Transmission: Magnum T56
Originally posted by SSBlueOx
Go here This is where i based my guesstimation on the HP.

Steve
Well since you only have a full exhaust then you are right around 200hp. I would change that in your sig. That link has a little to be desired but even if you did follow it you, with your mods, would be at the first stage where they made 197hp. Granted the LO3 cam is a bit better then the LG4 but not by much. You have right around 200hp. There are heads and cammed LO3's that barely make what you claim.
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Old Feb 11, 2004 | 05:31 PM
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Car: Camaro RS
Engine: 305ci TBI
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Originally posted by ShiftyCapone
Well since you only have a full exhaust then you are right around 200hp. I would change that in your sig. That link has a little to be desired but even if you did follow it you, with your mods, would be at the first stage where they made 197hp. Granted the LO3 cam is a bit better then the LG4 but not by much. You have right around 200hp. There are heads and cammed LO3's that barely make what you claim.
Um the LG4 stock has 145HP/240lb-tq with TBI it made another 15/15HP. My headers atleast game me 25hp and exhaust 25hp, hi-flow cat -1hp and its all 3 inches. My K&N open element makes at the least 10hp. Add all of that up and thats 60hp at the least. Thats 230hp/330lb-tq, i havent dynoed it but most people with full exhausts and open elements make around 200rwhp. I will not change my sig, Good day

Steve
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Old Feb 11, 2004 | 05:58 PM
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Car: '90 RS
Engine: 377 LSX
Transmission: Magnum T56
Originally posted by SSBlueOx
Um the LG4 stock has 145HP/240lb-tq with TBI it made another 15/15HP. My headers atleast game me 25hp and exhaust 25hp, hi-flow cat -1hp and its all 3 inches. My K&N open element makes at the least 10hp. Add all of that up and thats 60hp at the least. Thats 230hp/330lb-tq, i havent dynoed it but most people with full exhausts and open elements make around 200rwhp. I will not change my sig, Good day

Steve
You are staking hp my friend. I am well aware of the differences in power between the LO3 and LG4. You probably got about 20hp all together with your exhaust and open element. Show me a dyno sheet and I will believe you. It takes more than a full exhaust and open element to make 200 to the wheels on a 305. The ones that do have 200 to the wheels have a full exhaust, intake, adjustable regulator, more timing and chip burning. The average full exhaust L03 only puts about 160-180hp to the wheels which is about a little over 200 at the crank. I am really not trying to be mean here. Even if you did make 200 at the wheels that is only about 236 at the crank if you assume 18% loss for the 700R4.
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Old Feb 11, 2004 | 06:28 PM
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From: San Jose, CA
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Axle/Gears: 3.23
yeah, there is a guy on the boards with a L05 350, LT1 cam, full exhaust, single plane intake, 670cfm holley TBI and is making 200HP to the wheels. Believe me, you are definately not making that much power, and again, we are not trying to be mean, we are here to educate LOL
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Old Feb 11, 2004 | 07:08 PM
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Axle/Gears: 14/41 tooth
Put it on a dyno or get a trap speed. Either way you will find out you are wrong.
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Old Feb 11, 2004 | 10:49 PM
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Car: 1992 Camaro RS
Engine: 305 L03
Transmission: Borg-Warner WC T-5
YEAH

YEAH...what they said!!! :lala:
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Old Feb 12, 2004 | 06:23 AM
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Bwhahahaha

this reminds me of back in my HS days when we used to talk about souping up my friends Lumina of all things (I didnt have a car back then)

heres how the conversations went

"Yeah man, get that K and N filter thats 15 hp"
"oh and Ill get exhaust thats another 25, says here *points to ad in magazine* "

"Dude if you got headers thats another 20 hp too"

"Yeah and it says here I can get some roller rockers for 15 hp on top of all that"

"No ****? I didnt know they made them but i do know they make throttle bodies that they say gives 15 hp too"

Wow man imagine if you got all that stuff thats like lets see here 15, 25, 20, 15, 15... 90 hp!! damn man youll be roasting 5. ohs! 90 plus the 150 you have now and stock 5.0s are only 215 hp...

"sweet"
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Old Feb 12, 2004 | 09:07 AM
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Car: 1994 Z28
Engine: 5.7 LT1
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Originally posted by Pablo

Wow man imagine if you got all that stuff thats like lets see here 15, 25, 20, 15, 15... 90 hp!! damn man youll be roasting 5. ohs! 90 plus the 150 you have now and stock 5.0s are only 215 hp...

"sweet"


lmao :lala:
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Old Feb 12, 2004 | 01:29 PM
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222 rear wheel HP. 268 TQ......
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Old Feb 12, 2004 | 06:01 PM
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From: greenvill sc
sorry to tell ya hot rodder but hedders and exhaust will only give ya 20 hp(that with true dules) and 30 tq also thats adding open element k and n filter.. the dino was on a 90 tbi..

hope this clears some things up.. if you have 350 hp you would run low 13 in the qt..
Attached Thumbnails Damn that was fun.-s.jpg  
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Old Feb 12, 2004 | 09:25 PM
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SSBlueOX, What all these other people said. Your hp claims are bogus and your torque claims are more so.

Using that link as a basis is bogus for so many reasons, number one being the HEADS. LG4's have WAY better heads than your junk LO3, so consiquently, the LG4 responds damn well to headers exhaust and a cam. Far better than an LO3 will, therefore that is the main reason why using that web page as a basis for you numbers is null and void. Bring it to the track. I ASSURE you that you won't trap over 85 mph. If you have 240 horse, you'd trap ~95. That won't happen though.

Pablo, LOL about add up hp #'s. That was a good one! I used to do that too, back when I was an ignorant fool kid. lol.
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Old Feb 13, 2004 | 10:51 AM
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Xceller: that was 246 HP at about 4800 rpms? my puny 350 was only 24 short of that? i would have expected more than 246? what was holding you back? i assume headers with carb on that run(383 cid) ?
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Old Feb 13, 2004 | 06:55 PM
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From: greenvill sc
yes sir.. the heads sucked assssss... and so did the carb. we swaped out heads and ended up with 295hp and 346tq.. the car ran 8.80 in the 8th. with a 60ft 2.2 this was not my car but the numbers im refuring to is with a 383ci sb chevy
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Old Feb 15, 2004 | 01:15 PM
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my 91 tbi made 154hp and 253 tq at the wheels with just open air intake, k&n, and no exhaust after cat.

with hedmann headers, full 3" exhaust and matched injectors it made 170hp and 262 tq. both were done on a dyno jet
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Old Feb 15, 2004 | 05:46 PM
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From: Thornton, CO
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SSBlueOx

Look, I know it looks like you are getting slammed, but do not take it personal. We all exchange info on the boards, but everyone wants the info to be correct to the best of their knowledge. You have been presented with accurate and proven info. Don't fool yourself. When you change your sig, it will be no harm, no foul.

Laters,
Conrad
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Old Feb 16, 2004 | 06:24 PM
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Originally posted by SSBlueOx
Um the LG4 stock has 145HP/240lb-tq with TBI it made another 15/15HP. My headers atleast game me 25hp and exhaust 25hp, hi-flow cat -1hp and its all 3 inches. My K&N open element makes at the least 10hp. Add all of that up and thats 60hp at the least. Thats 230hp/330lb-tq, i havent dynoed it but most people with full exhausts and open elements make around 200rwhp. I will not change my sig, Good day

Steve
I read the initial post... Too bad about emissions...

I know others may have appeared to be attacking you, but dont take it personally. Most on the board just want everyone to be equally educated about their cars.

I agree with most on here about probably 200flywheel hp.

Happy modding!
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