87oct in 365mag?
05-21-2008, 08:52 PM
#1
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Join Date: Oct 2007
Location: Rolla/LOTO MO
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87oct in 365mag?
I always run at least 89oct in it and 91 or 93 if I know I have to keep up with my buddys on big runs. But with gas now $$$ looking to see if it's ok?
05-21-2008, 09:35 PM
#2
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I have run 87 in my ScarabIII with no prob but normaly run 89. My Mags are all original with about 400 hours on them. To be honest i cant tell any difference between the two dif. octanes in my boat.
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Throttles- Cleveland Construction 377 Talon
08 OPA Class 1 National Champion
08 Class 1 Geico Triple Crown Champion
08 OPA High Points Champion
10 OPA Class 1 National Champion ( happy now Ed! )
Throttles- Cleveland Construction 377 Talon
08 OPA Class 1 National Champion
08 Class 1 Geico Triple Crown Champion
08 OPA High Points Champion
10 OPA Class 1 National Champion ( happy now Ed! )
05-21-2008, 10:30 PM
#3
Charter Member # 55
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The engine is designed to run on 87 octane. If you use higher octane it doesn't burn as fast and as completely and you are actually loosing power. Bump the timing up to 34-35* and then run 89.
