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Old 10-15-2010, 03:35 AM   #29
cppursell
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Join Date: Dec 2008
Location: San Francisco, CA
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Re: High compression engine and pinging

Quote:
Originally Posted by LEEVON View Post
Just a thought...have you checked total timing? Could it be that you have too much mechanical and vacuum advance? Adjustable vacuum canisters are cheap, you can dial it back and get the total timing correct. I agree with the others, bring your initial back to about 12 degrees and see what happens. I run about 10.5:1 in my 350 and don't have detonation but then I make sure the total timing is in range too.
I agree, I definitely need to time my engine more accurately. I just haven't had time yet (school). I'll try to get to it this weekend.
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