12.3 @ 109, what to do next?

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10-07-2012, 02:07 PM

#21

flintwrench69

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Quote:

Originally Posted by KnockretardZ28

I have only run the car on street tires, 15-18psi and 2nd gear burnouts have allowed 1.7 60ft times. I think the car is capable of 11.9's with a drag radial. I am worried the softer tire will grenade my rear.

Your local track must have some amazing track prep, conditions to do that on some street tires. Our local track conditions I am lucky to get 1.7s with a 26x11.5 15 et street bias no joke.

Quote:

What is the steps for a 8.8 swap? Has anyone made a how-to? I would def. like to be proactive and replace the 10 bolt before it fails.

Plenty of info on the 8.8 swap in the gears & axles section.

Quote:

I forgot to mention the 10 bolt has a TA Performance girdle on it. What kind of time does that buy me before it explodes?

It's hard to say but I don't think it will be long if you keep hooking it like that.

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10-07-2012, 07:11 PM

#22

Cra-Z Larry

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My 10 bolt went about 75 runs on the last rebuild, it had Yukon 4.10 gears, Yukon posi and a TA girdle. I'm running a cam-only (smaller than the 228R), A4 w/4500 vig. converter and now a Moser 12bolt w/3.73s. Best #s w/4.10s were 11.66et, 115mph and 1.57 60'. With the 3.73s it slowed to 11.80et, 114mph and 1.58 60' but air temp was warmer, waiting for some good air before I make any changes. All runs were on MT DRs 275/50-15 which is a 26" tire, and they do hook!!! Good Luck!! Larry.