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so im wondering what compression ratio a B17 with a JDM b16 head would yeild? also what would a B20Z with a gsr head have? the B17 stock is 9.7:1 and the b20z stock is 9.6:1 i think?

so i did a B17 swap into my delsol and im running a jdm p30 ecu (i know its jdm it came from japan with my jdm b16 head) so i wired the knock sensor into the ecu at pinout C2. the knock sensor was used but the guy said it worked when he took it out. Is there a way to test the knock sensor to see...

whats the diffrence between a P28 and a P30 ecu?

what is the highest compression i can go to and still run premium pump gas? ive heard everything from 11:1 all the way up to 13.5:1. nobody seems to have a clear answer.

so im looking at pistons to buy and its listing diffrent mm sizes. theres 84.0mm 84.5mm and 85.0mm so im wondering is 84.0mm the stock size and the 84.5mm and 85.0mm is for bored over engines or.....what? i thought when you bored a motor it went by .20 over and .30 over and so on? also if the...

so i was just wondering if i could go to a junk yard and just buy all the rear suspension stuff off a si del sol and swap it on to mine so i have rear disk brakes? is this possible? if so any modifications or it basiclly just bolts up?

so i just swapped a B17 to my 1993 delsol. i swapped out the old PO6 ECU for my P30 ECU but the vtec isnt working. the vtec silinoid (not spelled right) isnt hooked into the engine wiring harness for some reason so i have it wired in right at the ECU. the wire colors i have it hooked up to is a...