| I guess the turbo lag and the power will be higher with .86 A/R over .64 A/R...will it be too powerfull to use on a stock used engine (JDM with compression 135 to 150 psi) and/or broke/burn the head gaskets, that's what Im worrying to happens because never had problem with .64 A/R at exhaust on BB turbos (Z1 GT600R or Sylvia S14) Some one know difference...at least shall be better to be bigger at exhaust than opposite because higher compressor push too much air that can't go out on exhaust with smaller one as per logic only... Thanks for your replied time...to the question...nothing else
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