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I have an 85 M6 with 82k. The compresion is getting low in the motor(145-160) the leakdown is getting high(15-42) and its having a tough time passing CA smog. Hopefully the pistons are still ok and I can get away with new rings and freshening the head.
Otherwise I'm looking for engine rebuild options. Some people have told me I should not do a stock rebuild because the euro compresion is too high for the low (91) octane fuel we have in CA. I called Dinan and they no longer do strocker motors. Who is good at rebuilding these motors? What are my options?
Thanks,
Juan Bruce
85 M635CSi "The Ultimate, Ultimate Driving Machine" poster car
95 M3