6.2L Sierra Denali Performance Mod

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Oct 19, 2010 | 01:08 AM

#11

jg53

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From: kyle tx

Quote:

Originally Posted by tarinitup

Throttle body would be a waste since you already have a 90mm. I would say to do a torque converter or nitrous kit. My brothers did a 13.3 on a 100 shot and tune a few months ago.

are you sure on your numbers here? i just read that stangkilr ran a 13.5 on a tune only 6.2/6l80e. if he was spraying a 100 shot i would bet he would be deep into the 12's. if not flirting with 11's.

take a look at dlt's post of just the lt's CAI and tune did to that denali

Last edited by jg53; Oct 19, 2010 at 01:44 AM.

Oct 19, 2010 | 01:10 AM

#12

jg53

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From: kyle tx

Quote:

Originally Posted by 08cheyennesc

Will the 87mm or 90mm throttle body fit on my 08 silverado 5.3??

you already have the 87mm throttle body on your truck

Oct 19, 2010 | 01:12 AM

#13

jg53

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From: kyle tx

Quote:

Originally Posted by dlt76028

LT headers and a ~3200 converter would be nice.

heres what LT headers should do for you.
https://www.performancetrucks.net/fo...d.php?t=470712

this is what i would recommend, do those two and you should be well happy with the results. listen to dlt. a retune would "not be necessary" but highly recommend with those mods.