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First run with 383

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Old Oct 29, 2005 | 09:12 PM
  #1  
zz17iroc's Avatar
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From: Midland, GA
Car: 91' Z28, 92' Z28
Engine: 383, L98 stock
Transmission: Built 700R4, Stock 700R4
Axle/Gears: 12 Bolt 3.73, 10 Bolt 3.23
First run with 383

Break-in is complete. My First and only run of the day yeilded:

1.79 --- 60 ft
7.92 --- 1/8 ET
86.03 --- 1/8 MPH
12.39 --- 1/4 ET
112.51 --- 1/4 MPH

The reason why I ran once and so poorly was:

1. I just re-caliberated my governor and at WOT the governor did not allow the tranny to shift into the next gear manually or with the shfiter in the drive position without me letting off the gas, meaning I had to back peddle the car at least 4 times during that pass. I already knew I had to re-caliberate the governor. I just got tired of working on the car and took a chance. I'll be going back to the stock governor because it worked fine when I manually shifted before the re-cal.

2. I took off my A/C and smog-pump and installed an A/C delete pulley in its place years ago, but I did not install a smog-pump delete pulley because I did not need it with my old set-up. But with my new found power it has jumped off twice prior to today. So that's why my 60 ft was a lttle low for the set-up. I eased into it so that I would not throw the belt off again, but it did not work!

So instead of risking anymore harm to the car I just called it a day, but I really wanted to run. Its all good I'll get that full WOT pass soon. Can you say 11's. The car feels very strong and it pulls really hard throughout the entire RPM band in all gears, just need to fix the governor and belt throwing issue.

Last edited by zz17iroc; Oct 30, 2005 at 01:44 PM.
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Old Oct 30, 2005 | 12:05 AM
  #2  
Orr89RocZ's Avatar
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From: Pittsburgh PA
Car: 89 Iroc-z
Engine: 555 BBC Turbo
Transmission: TH400
Axle/Gears: MWC 9” 3.00
wow not bad! get that problem fixed and lets see some great times
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Old Oct 30, 2005 | 11:09 AM
  #3  
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From: Cypress, California
Car: 1989 GTA
Engine: 369 TPI
Transmission: 4L60E
Axle/Gears: 3.70 Nine Bolt
For the first time out with your new combo I think you did very well. Looks like 11's are in your future.
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Old Oct 30, 2005 | 12:26 PM
  #4  
1QWIKZ's Avatar
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From: S.Jersey
Car: 88 Camaro
Engine: 355
Transmission: TH-350
Nice shake down pass..
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Old Oct 30, 2005 | 01:35 PM
  #5  
zz17iroc's Avatar
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From: Midland, GA
Car: 91' Z28, 92' Z28
Engine: 383, L98 stock
Transmission: Built 700R4, Stock 700R4
Axle/Gears: 12 Bolt 3.73, 10 Bolt 3.23
Nothing was going right for me yesterday. I mean my WB O2 was acting up and my Datamaster software was going crazy as well. So needless to say I have no data besides the timeslip.

Thanks for the props fellas!

Here is the timeslip. The guy in the other lane had a turbo and he was really cocky too.
Attached Thumbnails First run with 383-timeslip.jpg  

Last edited by zz17iroc; Nov 10, 2005 at 07:36 AM.
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Old Oct 30, 2005 | 01:59 PM
  #6  
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From: Pittsburgh PA
Car: 89 Iroc-z
Engine: 555 BBC Turbo
Transmission: TH400
Axle/Gears: MWC 9” 3.00
wow that guy must have really died off in the last 1/8 of the track. trappin 85 in the 1/8 then only goes thru the lights at 103 to your 112mph LOL
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Old Oct 30, 2005 | 07:25 PM
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From: ELIZABETH,PA,USA
Nice times, Very good for first pass.
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Old Nov 5, 2005 | 09:22 PM
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From: MD
Car: '88 IROC-Z medium orange metallic
Engine: L98
Transmission: 700R4
Axle/Gears: 3.27
What cam is in the car?
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Old Nov 7, 2005 | 09:11 AM
  #9  
zz17iroc's Avatar
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From: Midland, GA
Car: 91' Z28, 92' Z28
Engine: 383, L98 stock
Transmission: Built 700R4, Stock 700R4
Axle/Gears: 12 Bolt 3.73, 10 Bolt 3.23
GM 847 cam 234/242 with 538/558 lift 112 LSA
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Old Nov 8, 2005 | 10:44 PM
  #10  
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From: Saskatoon, Saskatchewan, Canada
Car: 86 Trans Am
Engine: 406
Transmission: TH350, 4200
Axle/Gears: Moser 9", 3.89
Good starting point. When are you going back?
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Old Nov 10, 2005 | 07:34 AM
  #11  
zz17iroc's Avatar
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From: Midland, GA
Car: 91' Z28, 92' Z28
Engine: 383, L98 stock
Transmission: Built 700R4, Stock 700R4
Axle/Gears: 12 Bolt 3.73, 10 Bolt 3.23
Sorry to say, It will be some time next season because tracks up here in northhern NY has already closed.
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