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-   -   Whats your Hp Be honest! (https://www.performancetrucks.net/forums/gm-engine-exhaust-performance-21/whats-your-hp-honest-392558/)

TXsilverado 05-11-2007 11:20 AM

too many variables. just post it up :judge: i only make 277hp :eyes:

JonD985 05-11-2007 12:16 PM

405 total??

Quik 05-11-2007 12:20 PM

you dont have any mods to be honest. so maybe 10hp more then a stock 5.3

BLACKND 05-11-2007 02:55 PM

Put mine on a Mustang Dyno a few months ago. 04 Sierra 5.3 liter/G80--3.73s, and mods listed below in Sig.

264 RWHP/280 RWTQ


I was really estimating it to put down about 301 RWHP--Before I found out it was a Mustang Dyno, which I have always heard that the mustang usually shows about 10-15% lower so factoring that in would put me close. I don't have all the specs, but I do know it was a bit humid out.

Oh, and these numbers were with the cutout open.

bluecajun5.3 05-11-2007 03:11 PM

uh oh...
https://www.performancetrucks.net/fo...d.php?t=383829

tdrumm 05-11-2007 03:26 PM


Originally Posted by bluecajun5.3

Wow, why are we wasting money on heads, cams, and intakes when all we need is octane booster :hail:

slowprocess 05-11-2007 03:30 PM

That stock 5.3L extended cab made more torque than my cam/heads/bolt on 6.0L........................... :suspiciou ;)

*headed to Autozone as fast as possible to retrieve lucas for next dyno pull*

99Silverado5.3 05-11-2007 03:37 PM

You need to look at who is making that rwhp and what they are running in the 1/4 and take it to the track, and see how your numbers compare to those that make about the same rwhp.

99Silverado5.3 05-11-2007 03:42 PM

Just put it this way, if you run 100mph or over in the 1/4, your truck is a BEAST and I will put flowmasters back on my truck.

1ImperialSS 05-11-2007 04:10 PM

:jest: at this thread


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