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#1
10-10-2004, 08:31 PM
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Gas/Timing.
I advanced my timing too 12 degrees. Im running 93 octane (which now from reading previous posts, is pointless and can actually hurt my engine). My question is, with the 12 degrees and 93 octane will that eventually create a pinging or detonation. I'm dropping my octane to 89 from now on. Also the knocking or pinging how can it be determined it's from the engine?
Thx. 
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#2
10-10-2004, 08:53 PM
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you shoudl be running on 87, not 89. i run on 87 with 12 degrees and have zero problems. it's cheaper, so be greatful =P
remind us which car you have too
__________________
-Andy '89 Mustang 5.0 - How fast? i'll know this weekend. '86 Mustang LX - Shortblock is built, now for the rest of it. "Put the subject before the verb, hmm? Fail this class, you will." -Yoda teaches english class.
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#3
10-11-2004, 02:45 AM
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Re: Gas/Timing.
Sorry; made a sig. About the 12 degrees timing, would that be advanced enough to create engine knock/pinging? Or higher advancements are when the issues begin?
__________________
1988 Mustang 5.0 5spd/CAI,BBK 65mm TB,BBK underdrive pulleys, Flowmaster catback, E303 cam, headers, mass air conversion, Steeda tri ax shifter, 3.73 gears, Trick Flow street intake, 3g 130 Amp Alt.
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#4
10-11-2004, 08:10 AM
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Re: Gas/Timing.
Seeing how 10* is stock, I don't see much if any detonation at 12* advanced. For example My GT is set to 14* and I run 87 octane. The GT is stock except for pulleys and exahust. In my notch I run 16* and 89 octane, that car has all the normal bolt on H/C/I etc.
__________________
[size=1]-1950 Ford Custom, flathead V8
-2013 Ford Flex -1999 Ford F150
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#5
10-11-2004, 09:53 PM
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Re: Gas/Timing.
most times, you will notice the engine running rough when it pings, but not always. you should be able to run 14* no problem with 91 octane. different cars in different climates all react differently. so you'll need to test what works best for you.
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#6
10-12-2004, 08:37 PM
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i advanced mine a little at a time til it stated to ping then backed it off a little
__________________
"If the devil danced in empty pockets, He'd have a ball in mine " 87 LX 5.0 - I'm not even going to say what I've done to the car cause when I see how much more I want to do I wanna cry.
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