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What Octane Stock 93 ?

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Old 05-03-2013, 10:11 PM   #1
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Vehicle: 1993 Mustang GT
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Default What Octane Stock 93 ?

Hey guys
I have a 93 stock except for exhaust . Has about 36 k on it
I keep it in SC
I havent checked the timing , I believe it is whatever came stock .
Id like to know what gas I should be using
I have been using 93 , dont know why just have
Should I switch to 87 ? Does it make any differance ?
1993 GT Hatch M/T Stock 5.0 33k
Motorsport Headers,Bassani X, Mac muffs-
Grant Tilt-wheel conversion
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Old 05-03-2013, 11:33 PM   #2
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W stock timing, I run 87. Putting 93 in it doesnt hurt it, but you're not gaining anything out of it
1995 Mustang GT
1999 F150 Lariat 4x4

Soon to come: 393 stroker
351w bored .030, Probe Industries forged internals, Trickflow 205's, FTI custom cam, Trickflow R 90mm intake, Accufab 90mm TB, FRPP 42lb injectors, 1 3/4" custom Accufab LT's, 3" exhaust, MS2
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Old 05-04-2013, 01:01 AM   #3
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GOOD,FAST, CHEAP-----------YOU CAN ONLY GET 2 OUT OF 3!!!!!!!!!!!!!!!!
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Old 05-04-2013, 04:29 AM   #4
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If it's not tuned for 93 octane, I would just stick with regular. You'd just be wasting money, IMHO.
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Old 05-05-2013, 02:45 PM   #5
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sharp car dude
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Old 05-05-2013, 03:51 PM   #6
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87. no need to spend the extra money in fuel that doesnt improve much. and btw. if thats your car. then damn good buy.
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