# How much boost for 500whp? **URL:** \ **Category:** PittSpeed Automotive\ **Created:** [November 2, 2007, 6:02pm UTC](https://forums.speedlife.net/t/how-much-boost-for-500whp/193436 "2007-11-02T18:02:12Z")\ **Posts on this page:** 1\ **Showing post:** 38
**Author:** ![hondacivic946](https://avatars.discourse-cdn.com/v4/letter/h/6de8d8/32.png) [@hondacivic946](https://forums.speedlife.net/u/hondacivic946)\ **Post date:** [November 5, 2007, 5:38am UTC](https://forums.speedlife.net/t/how-much-boost-for-500whp/193436/38 "2007-11-05T05:38:14Z")
> [@\*\*\*3rd annual upstate Honda-tech Meet!\*\*\*](https://forums.speedlife.net/t/3rd-annual-upstate-honda-tech-meet/29145/46): > > isn’t the bore on the b18’s the same as the b16…81mm? when you get lower compression pistons, do you lose alot of power but gain it back with the ability to run more boost? so 300whp on a completely stock b16 is safe? it makes more sense to do that than upgrade the sleeves, pistons, rods, and bearings when there’s nothing wrong with oem. head studs would probably make sense. maybe a port and polish too. how much does that cost and where is a good place to get it done? and can gsr or type r cams slip right into a b16? another reason i’m leaning towards sleeves is i think golden eagle will pick my motor up from hmotors and pull the head off, ship that to me, and then send me the sleeved block. that’ll save me a ton in shipping so i figure i’d only spend about 600 on sleeves after saving that money in shipping. if i do sleeves now i’ll pay 300 less than if i decide to do them later. yo my car was a stock 81mm b16 10 to 1 compression and on 7 psi i almost made 300 whp and my car would have lasted forever but bein that i had the boost controler and put it in and decided to just run around with it in on like 20 psi and did a dumb ass highway pull 4th gear and spun 2 bearings but the pistons and walls where still like new but its up to you what you want to rock 7, 15, 25, 30 just be smart and remember that anything over 300 whp in a light ass car is crazy and you have to know how to drive it --- _[View the full topic](https://forums.speedlife.net/t/how-much-boost-for-500whp/193436)._