Are JDM B20B pistons the same as USDM B20Z pistons?
09-17-2002, 08:05 PM
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Are JDM B20B pistons the same as USDM B20Z pistons?
I was under the impression that they are a different compression, I thought the b20b's were 8.8:1 and that the b20z were 9.6:1. I just read in a archived post that they are actually the same compression??? Can anyone shed some light on this? 
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09-21-2002 05:59 PM
