# After PRP... **URL:** \ **Category:** PittSpeed Automotive\ **Created:** [November 3, 2006, 10:06pm UTC](https://forums.speedlife.net/t/after-prp/186026 "2006-11-03T22:06:00Z")\ **Posts on this page:** 1\ **Showing post:** 151
**Author:** ![Quik](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/quik/32/5979_2.png) [@Quik](https://forums.speedlife.net/u/Quik)\ **Post date:** [November 12, 2006, 6:25pm UTC](https://forums.speedlife.net/t/after-prp/186026/151 "2006-11-12T18:25:57Z")
> [@Skate pics \*56k\*](https://forums.speedlife.net/t/skate-pics-56k/25791/28): > > I dont believe that how it works, my friend. i beleive it works on bars and atmospheric pressure > lets say you have a 2.0 and you push 14.7psi (1bar) you now have a 4.0L I am no ME but i dident think it was about power output rather then acual displacement you knew whta i was getting at just that the fact that is when anytime you encounter a 4 banger you always hear while you have more cubes or cylinders but the fact is youre comparing totally different vehicles weight is off be an average 1k then you have NA over boost and of course displacement say put Ryans motor in a chassis that is 3500lbs see what it does, put Justin’s old motor in a 2500lb chassis. will they be the same times? no now put my old motor in Justins chassis will it run faster then what it did in my 4600lb chassis? YES same thing as putting a 160hp 998cc motor in a 1500lb chassis it now becomes a rocket --- _[View the full topic](https://forums.speedlife.net/t/after-prp/186026)._