what pistons will lower gsr compression?

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stmotorsports

Senior Member
Any of you guys who know me know I've been a d-series head for awhile now so sorry for the b-series noob q...
I'm considering doing a f/i gsr in my next civic but want to drop the compression to around 9.5:1. Has anyone done this? What pistons will work if any?
 
oh yeah I forgot the usdm version is only 10:1, I was thinking of the jdm version that is 10.6:1

I guess I would just have to make sure to get the usdm engine with the jdm trans...

so what headgasket is thicker and wouldn't blow out all the time under around 10-11psi boost? And what would it drop the compression to?

And if I did decide to go with different pistons, the LS ones will fit? I figured they would be different comp height or something due to the differences in stroke, but guess not...?
 
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