C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

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Old Mar 22, 2006 | 05:19 PM
  #21  
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93 auto w/3.54 13.7
New AFR heads, 1.6 RR's ZZ9 cam, EM headers w/new small Magnaflow cats, PCM tune by Alvin I am hoping for low 12's

Fred
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Old Mar 22, 2006 | 05:52 PM
  #22  
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I went 13.18 with a 1.79 short time last month at the Super Chevy Show...that day the DA got down to +400 for a couple of hours which is the lowest my car has ever seen...it would have been even better but, at around the 1000' mark, my converter locked up by mistake and the rpm dropped by 500 instantly...fixed that with a new chip...

My engine is stock, never been touched with 115,000 miles...I have long tubes, 3:73 gears and a 3200 stall converter and I run Nitto DR's all the time...last month I drove 7 hours each way to an event in S.C. on them...I always drive to the track, race and drive back home...
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Old Mar 22, 2006 | 07:01 PM
  #23  
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86 vert, best time with 2.73 ratio 12.19 @ 108.98 1.62 60'
Mods in sig, in the middle of changing over to a D44 with 3.45 ratio.
Hoping for mid to high 11's with the new gears.
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Old Mar 22, 2006 | 07:56 PM
  #24  
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Stage 2 Centeforce Clutch
Nitto's 555R's Drag Radials
Hooker Longtubes #2149
Hooker Y-Pipe #16720
Flowmaster Force II Catback System(2.25 inch, i know).
Open Air Lid with K&N Fliter
Random Tech High flow
Frisbee removed
Screen removed from MAF.


Best time of a 13.71@101.5 MPH with a 1.99 60 foot time.......Getting use to launching the torque.

If I keep the car, I will prob do pulleys/1.6's/port the tpi, and try to get her into the low 13's.
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Old Mar 22, 2006 | 08:20 PM
  #25  
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'90 6 speed

8.38 in the 1/8, 13.10 in the 1/4 at 105 on a 16 year old L98 with bolt ons. I should have LT headers on in the next few weeks. Hoping for 12.8s....actually, I'm hoping for more
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Old Mar 22, 2006 | 09:00 PM
  #26  
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'87 ZF
9.73 @ 143 on a 1.8 60'

later went
6.16 in the 8th

Aaron
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Old Mar 22, 2006 | 09:05 PM
  #27  
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I don't feel too badly about posting with this page 2 group.

13.860 @ 98.23 MPH

1984 Crossfire. Twenty three years old with 160,000+ miles, with an all stock, and mostly untouched long block. It is fairly well tuned with a home ported stock Crossfire intake casting...unwelded.

RACE ON!!!
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Old Mar 22, 2006 | 09:24 PM
  #28  
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Originally Posted by CFI-EFI
I don't feel too badly about posting with this page 2 group.

13.860 @ 98.23 MPH

1984 Crossfire. Twenty three years old with 160,000+ miles, with an all stock, and mostly untouched long block. It is fairly well tuned with a home ported stock Crossfire intake casting...unwelded.

RACE ON!!!
You should not feel bad on any page.......nice time for a well broken in 84..
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Old Mar 22, 2006 | 09:41 PM
  #29  
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13.813@100.747 stock with 218,000 miles. Having SW long tubes put on as we speak ( or type ). I hope that will take it under 13.4.
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Old Mar 22, 2006 | 10:07 PM
  #30  
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Numbers and mods are in sig. I'm hoping to knock off a bit more before I do a head/cam upgrade, maybe a 383. I think I'm gonna try a super ram and see if I can knock any time off with the stock heads/cam.
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Old Mar 22, 2006 | 10:25 PM
  #31  
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96' LT4 CE Convert with hardtop. K&N, Cut lid, MSD superconductor 8.5 wires, 4.11's out back. Line lock to heat up the 315 DR's. Best ET to date 12.688@106.84. My previous best run was a 12.745@109.75. Running in the good air of Englishtowns Raceway Park.
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Old Mar 22, 2006 | 10:45 PM
  #32  
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12.91@110mph with a 2.11 60 foot at the cruise in last year

1996 LT4 80k miles Homemade(really) catback exhaust, 4.09 gears, cut lid, hot cam, untuned.

Same car went 13.001 at 106mph 1.89 60 foot with above mods less the hotcam at Commerce, Ga.

Stone stock with 50k miles car went 13.31 at 105mph with a 1.91 60 foot.


I have since had the car tuned (mail order from pcmforless) but no new numbers yet.

I'd like to add an electric water pump, some longtubes and a real catback exhaust and see what happens.
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Old Mar 22, 2006 | 11:17 PM
  #33  
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My 90 auto with some bolt on stuff and ET Streets and skinnies went 13.23 @ 104 3.07 gears headers flowmasters STOCK BLOCK HEADS AND INTAKE I'll try for a little more soon I hope Pipe
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Old Mar 23, 2006 | 12:29 AM
  #34  
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Numbers in sig.
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Old Mar 23, 2006 | 12:52 AM
  #35  
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Mostly stock 90 L98 with a few freebies and a decent tune, MT et streets and a 125 wet shot= 12.03@113mph 1.633 60' (knocking on 11's door).

13.5@105mph without the spray.
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Old Mar 23, 2006 | 12:56 AM
  #36  
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13.5@101 with a 1.84 60'
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Old Mar 23, 2006 | 05:18 AM
  #37  
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93 Z07 13.54 stock

4.09 gears, Corsa, TPIS headers 1.6 rockers home made K&N ram air, normal radials

12.86@109.97MPH

New times and REAL mods coming this summer.......
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Old Mar 23, 2006 | 06:58 AM
  #38  
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11.19@124. Maybe a 10 if I strip some weight off the car.
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Old Mar 23, 2006 | 08:03 AM
  #39  
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Stock I ran 13.7 after the Airfoil it ran high 11s all day! After Hypertech chip got me down to 10.6. Can somebody please play that song(we wont be fooled again) The Who sang that right?
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Old Mar 23, 2006 | 09:31 AM
  #40  
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10.5 here.

http://www.jalopnik.com/cars/racing/...tte-023755.php

Should do better this year.

Matt383
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