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Old 08-11-2013, 09:39 PM   #23

Drives: 2010 IOM Camaro
Join Date: Aug 2012
Location: DFW
Posts: 3,113
Originally Posted by Indyblue98 View Post
I read similar claims from mutiple vendors ...530 RWHP on a Stock L99

However , my suggestion is to contact Whipple direct,
what I was told 18 months ago by the Whipple Rep was 440-460 on an L99
and 490-510 on a LS3 .

Before headers I was at 456 ...From a reputable installer.
After Headers and a Pulley change I am at 505 and 8-9 lbs boost.
I have the L99 currently with Headers, Long Tubes, CAI and Tune. Here is my sheet below...

I was told if doing Whipple only along with current mods it would near 500 HP but doing the LS3 conversion with Whipple would put well over 600 HP

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