i have a ls/vtec setup and im deciding if i should put ctr pistons in my ls block i also have a gsr head with type r cams but im thinking about ctr pistons and cams what do you guys think my hp would be at and my compression should be?

 

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if its the pct pistons your showing a 14.3:1 compression and yea thats way past limits on pump gas and id say stock sleeves plus most ppl say anything over 12.5:1 is pushing limits of 93 octane pluss i dunno if your going to have piston to valve clearance problems the pitch of the pct pistons are pretty stout.

 

just go ITR, bit lower compression but still good. I'm using CTR in my engine BUT I'm also running Toda C2 Cams, and basically a ton of Toda mods. ITR is safer for street use probably on pump gas. I use 93 oct. and I run on CTR.

 

my friend runs ctr's in his ls-v gsr head man that thing is a pig hope you have deep pockets for race gas

 

lol wordd i think im just gunna go itr pistons.