currently have 2.7i motor in my e30 [super e lower end, i cam, intake, 1.3 motronic, big six afm, 415 injectors ] i would like to upgrade, have access to s50 3.0 crank and rods, m52 2.8 crank and rods. don't know what combo works best for the street, pistons ? [need to run pump gas and pass tailpipe emissions] also how do you mod the crank to fit the timing cover seal. is the stock i cam best for street use, need torque for stop and go.
thanks for your input,
jj
thanks for your input,
jj
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