# Big thumbs up to Wayne64SS

**URL:** https://forums.speedlife.net/t/big-thumbs-up-to-wayne64ss/251618
**Category:** Shift518 Automotive
**Created:** [April 20, 2010, 6:03am UTC](https://forums.speedlife.net/t/big-thumbs-up-to-wayne64ss/251618 "2010-04-20T06:03:06Z")
**Posts on this page:** 1
**Showing post:** 94

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### Author: ![TurboTravis](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/turbotravis/32/6406_2.png) [@TurboTravis](https://forums.speedlife.net/u/TurboTravis)
#### Post date: [April 20, 2010, 4:15pm UTC](https://forums.speedlife.net/t/big-thumbs-up-to-wayne64ss/251618/94 "2010-04-20T16:15:25Z")

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> [@LS1 evo inside](https://forums.speedlife.net/t/ls1-evo-inside/31180/37):
>
> right, his particular setup is before the MAF, but on cars like my cobra, they aren’t. I was going after a theory in general, not specifically his car.
> 
> Why would he loose power? You don’t think negative pressure in the crankcase would help power production?

Ryan’s car is a VPC car last I knew…(no MAF).

I also would not waste money dyno tuning a VPC car. Not a whole lot to it, can easily be done on the street. My VPC car needed no adjustments (other than the boost knob) going from 91 to 116 octane.

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