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Old 06-29-2021, 02:56 PM   #1
BrayJo
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Default Re: Lt1 rear gear?

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Originally Posted by GUMP View Post
We also ran a 4.56 in the IHRA days in A/FIA and Top Stock.

Are you running a Metric trans?


If so, with the 4:88 and 94 rollout what RPM are you through the lights?
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Old 06-29-2021, 05:39 PM   #2
Rich Biebel
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Default Re: Lt1 rear gear?

I drove the car in 2011 at 2 races and by then it weighed 3200 in B/SA

Probably had the same 4.88's in it and a better fuel map and maybe a little better engine

Went 10.50's at 124-125 in real good air at Maple Grove....

Had E-shift in it then and Hoosiers.....

I ran 3066 M/T's and felt like they were faster than the Hoosiers.....

I did try moving the RPM up back when I owned the car but it did not run faster....

Big improvements in various engine parts and mods since then maybe make that not true anymore...

A few cars around that are pretty fast considering the weight that got lumped on them since I owned one....

One of my all time favorite cars I ever owned and raced....
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Old 06-29-2021, 10:17 PM   #3
GUMP
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Default Re: Lt1 rear gear?

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Originally Posted by BrayJo View Post
Are you running a Metric trans?
We ran a Turbo Action TH-200 without E-Shift.


Quote:
If so, with the 4:88 and 94 rollout what RPM are you through the lights?
A little north of 7,000 rpm. It all depends on the weather, converter, etc. Back then, I didn't datalog anything. I also never look at my guages from the time I stage until I turn off the end of the track. Now, I datalog every pass.
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