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Old 08-22-2011, 11:19 AM   #9
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Join Date: Feb 2004
Location: SoCal
Posts: 5,133
Originally Posted by Sarchi View Post

Also, I wanted to know if it's really better to use premium fuel in the M44 engine. PO said they did a lot of asking and eventually decided it wasn't a must. I thought that was a little strange.
89 or 91 are a MUST. The PO is mildly retarded to not notice the huge drain and loss in power, surging, and even knocking.

Run 89 and the car will be happy for a long time. This engine's compression is designed for the detonation of premium fuel, it has nothing to do with performance, but rather just requirements to not screw up the engine with knocking and whatnot
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