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-   -   Whipple 2.9L 2017 GMC Sierra 6.2L...boost and hp limits (https://www.performancetrucks.net/forums/forced-induction-159/whipple-2-9l-2017-gmc-sierra-6-2l-boost-hp-limits-551351/)

EarlH 02-06-2018 12:26 PM

Trans set to shfit at 6K. I have HPTuners...with weather and time, haven't had much time to play. Running 3.75 pulley to get back boost lost from freeing up exhaust. Boost on dyno was ~8psi. Haven't installed boost gauge (yet) to see what it is on the street.

gonzo 6.2 02-20-2018 05:51 PM

Shoot a cluster vid and we can compare wieners,I am at 3700ft


Choda 05-10-2018 09:15 AM

That vid is pretty impressive. Do you guys have any track times or updated power numbers?

gonzo 6.2 05-10-2018 10:16 AM

No I do not have any track #s or dyno #s. just set it forget it drive it.

06 4.8 05-10-2018 02:52 PM

Well that just made me want a whipple...

ZO6Ted 05-10-2018 07:12 PM

She's a bad m'effer Gonzo! Don't cha love it? Makes me want to unload mine and do a run lol. It would take hours though...:cry:

gonzo 6.2 05-10-2018 11:20 PM

Hey bro,you are the definition of work truck,but yours is nice and built.You should pull every thing out of it ,detail it then go drag it.Or drag it then detail then back to work.I am guessing a 12.7-12.8

kbracing96 05-11-2018 10:10 AM


Originally Posted by gonzo 6.2 (Post 5438960)
No I do not have any track #s or dyno #s. just set it forget it drive it.

Just bring it down and we'll dyno it! ;)

NORCAL TBSS 05-11-2018 11:25 AM

im building a 416 now and calling out henessey... but here we go

my 16 escalade whipple 7 psi/headers/3.5 cat back made 565/573 on 91 pump gas and on 26s with 295 30 26 went 12.2@114. Im also 2wd

on meth the truck made 618/632. I didnt run it with meth at the track but im going to say easy 11.80s


now back to the 416 build i will be doing 10psi and e85. IM sure will be around 800 rwhp

ZO6Ted 05-11-2018 12:18 PM


Originally Posted by gonzo 6.2 (Post 5439013)
Hey bro,you are the definition of work truck,but yours is nice and built.You should pull every thing out of it ,detail it then go drag it.Or drag it then detail then back to work.I am guessing a 12.7-12.8

If I get a wild hair I may move my stuff to the Colorado for a couple weeks and do it...eventually anyway. Right now concentrating on the AC business :cheers:


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