GMT 800 & Older GM General Discussion 2006 & Older Trucks | General Discussion

Ran a new best last night!

Old May 22, 2004 | 05:40 PM
  #11  
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Originally Posted by greentahoe
Thats awesome!! What would that translate to at sea level?? How is the tranny holding up?? Are you planning any more HP upgrades??
With NHRA correction factors, it works out to about 12.7 at 104

The tranny is performing perfectly.

I think I'm gonna get a big intercooler and mount it differently. The ATI unit is tiny, and mounted horizontally. Looking at intercooler flow charts, it's only good for 450 flywheel HP. Above that, theres like a 2.5-3 psi pressure drop. Also only 50% cooling efficiency the way its mounted.

Then a NX kit! Thinking 100 shot.

This is all when I have funds though.
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Old May 22, 2004 | 05:57 PM
  #12  
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Are going to do that on the stock bottom end?? Guess I know who to go to for tuning help!! Those are great times!! Congrats
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Old May 22, 2004 | 06:14 PM
  #13  
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Originally Posted by greentahoe
Are going to do that on the stock bottom end?? Guess I know who to go to for tuning help!! Those are great times!! Congrats
Yep, bottom end's all stock. I'm pretty confident in these engines with a good tune and good gas.

Theres quite a few guys on totally stock bottom ends doing 12's all day. Some 11's too. Parish is doing 10's with I think just rod bolts and head studs.
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