PR3 Pistons in a B18C

Manser

New Member
Hey guys, I know of a set of local BNIB pr3 pistons with rings.. just wondering if anyone ahs had any experience with swapping these into a jdm b18c? im in the process of rebuilding my motor and I was told that using the pr3 pistons will bump up my compression ratio, giving me a bit more power.. Just wondering if anyone had a ball park idea where that would land my new compression ratio (currently at the stock 10.6:1 ratio).. Just curious to hear some feedback from you guys before I go ahead and buy these..
 

Manser

New Member
zeal werks compression calculator

google it, will answer all your questions and then some
Just did it, came out to 11.3:1, any ideas if Id need a tune with a compression ration that high?
 




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