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

13 second tbi

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Old Mar 16, 2001 | 02:40 PM
  #1  
Spyder's Avatar
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From: Bloomington, MN
13 second tbi

I know that I posted about this before, but I am just giving you guys an update. We took out the Gtech again and were hitting 14.1,14.0,13.9's consistantly today. Its about 45 degrees out here in MN and sunny. It feels like summer well not quite. Anyways I know that I posted about his one before but I will be taking my car on up to the track to get some official time slips in May so I will get back with you guys then. I am still wondering though, with signifactly less mods why are we hitting low 14s with no problems? major question <u> is it the gearing? </u>

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--Spyder--

1992 Camaro RS
LO3, T-56,centerforce clutch, ported and polished heads, Edelbrock Performer Intake, 14X3 Open Element w/ K&N, hiflow cats (and thats it), AC delete, alu drive shaft, 3.73 posi, 170 stat w/ fan switch, STB, Subframe connectors, KYB AGX, Eagle GSC, and poly bushings.

1982 Z-28
Project car, ZZ4 in the works.
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Old Mar 17, 2001 | 10:45 AM
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NJ SPEEDER's Avatar
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From: Ewing, NJ
it prolly has a lot to do with the tanny gears. the gearing in a t56 is much closer together than in a t-5 so it maintains the power band a little better. it also has a first gear that is just as deep as the 700r4, so it will get moving really good. if you are hooking up good and yer car is fairly light it doesn't take much to run 13's.

lata
tim

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91 Camaro RS-LO3,Auto.
14.215@94.30 w/ 1.917 60'

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Old Mar 19, 2001 | 12:43 AM
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From: Tacoma, WA
Spyder, with your mods, how fast do you think it would be with a 100hp shot of laughing gas?

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'68 Camaro - Vortec 350
'91 Camaro RS - 305 TBI
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Old Mar 19, 2001 | 05:00 AM
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Car: Turbo Buick
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are you running the swirl port heads? or some other ported and polished head?
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Old Mar 19, 2001 | 05:02 AM
  #5  
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forgot to ask, what mph is the gtech showing?
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Old Mar 20, 2001 | 02:21 AM
  #6  
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From: phoenix,Arizona
stock lo3 heads ported and polished? or aftermarket ones?if they are stock lo3 heads did you notice a big difference from porting the heads?i want a t-56 in my car i am envious.did you switch from a t-5 to the t-56 or 700r to t-56 cause i want to do that... thanks
Shawn
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Old Mar 20, 2001 | 01:11 PM
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Car: 91 Red Sled
Axle/Gears: 10bolt Richmond 3.73 Torsen
Spyder, answer some of the questions please.
I'd like to hear what you get in the 1/4 at the track. I know Tim is doing really good with his reaction times and his car has lots of mods except for the L03 cam and TB unit. He has a really light car as well.

------------------
, Jon (in process of installing new engine)
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Old Mar 21, 2001 | 02:37 PM
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Sorry I was gone for a little bit from this pub. The heads are not the stock swirl port heads. To be honest I don't know exacally what they are. My buddy got them for me and his dad did the work on them. I think they are from a 80's vette.

Speeds I think where 100, 101 not sure. I blew out my water pump yesterday and just redid it today so I will hopefully be able to re-run some times and get the exacts for ya.

I had the T-5 in and then went to the T-56. Ripped out tranny, driveshaft and rear end all that the same time. Its not that hard of a swap but I got a new cross-member and mounts. Also did clutch, flywheel and all that stuff.

[This message has been edited by Spyder (edited March 21, 2001).]
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Old Mar 21, 2001 | 02:59 PM
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Car: 91 Red Sled
Axle/Gears: 10bolt Richmond 3.73 Torsen
Sounds like a good setup. I'd be very interested in seeing your times at an actual track. If you could get better than Tim (nj speeder) then I'd be very interested in hearing what he's going to do next. You two are pushing each other and setting new standards. I like, too bad my L03 crapped out on me or I would be doing the same stuff as you guys. Instead I'm into the 350 world.

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, Jon (in process of installing new engine)
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Old Mar 22, 2001 | 01:03 PM
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Too bad about your LO3, hell those guys will run forever. I think if you are going for power it is the way to go. But it is very fun to play with the 305s and I think they are great for daily drivers. I like being able to drive past a gas station and not have to fill up.
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Old Mar 23, 2001 | 02:50 AM
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Hey, you didn't answer my nitrous question.
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Old Mar 23, 2001 | 11:34 AM
  #12  
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Car: 92 RS, 02 Tacoma, 2 73 Porsche 914s
a lower time.
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Old Mar 23, 2001 | 02:36 PM
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From: Bloomington, MN
<font face="Verdana, Arial" size="2">Originally posted by Z28Maniac:
Hey, you didn't answer my nitrous question. </font>
I'm sorry I missed it, I'm going crazy at work and then a blown up car again!!! Say good by you damn water pump! Second time in the last week, what gives? Gaskets that seat the waterpump to block keep blowing out. Its down to 1 hour job for everything though. Anyways I don't know what I would run, good question. I don't know if I could stick the traction. I'm having major issues launching and 1-2 gear. I'm thinking its time to go tire shopping as my GS-C's have seen better days.
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