# First 4.0 Whipple on GT500

**URL:** <https://forums.speedlife.net/t/first-4-0-whipple-on-gt500/248329>\
**Category:** Shift518 Automotive\
**Created:** [November 12, 2009, 10:30pm UTC](https://forums.speedlife.net/t/first-4-0-whipple-on-gt500/248329 "2009-11-12T22:30:25Z")\
**Posts on this page:** 1\
**Showing post:** 20

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**Author:** ![tdi\_logik](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/tdi_logik/32/6310_2.png) [@tdi\_logik](https://forums.speedlife.net/u/tdi_logik)\
**Post date:** [November 13, 2009, 1:46pm UTC](https://forums.speedlife.net/t/first-4-0-whipple-on-gt500/248329/20 "2009-11-13T13:46:13Z")

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> [@FS: 2002 WRBlue Pearl WRX - update - SOLD](https://forums.speedlife.net/t/fs-2002-wrblue-pearl-wrx-update-sold/25758/11):
>
> It would have made the same on the stock motor actually. They built it up to push the 4.0 as far as it will go, like it said, they are on the lowest boost setting possible.
> 
> Factory 500 motors have pushed over 1000rwhp fwiw…

it has extensive port work done to the head so idk if it would make the same power. i wouldn’t go as far as saying it would make the same on a stock motor. maybe on the stock bottom end.

don’t tthose come with manley rods from the factory?

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