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JDM F20 Pistons with 91 octane

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Old 02-04-2010, 08:05 PM
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Default JDM F20 Pistons with 91 octane
I am in the process of replacing my stock AP1 motor with a Japanese AP1 motor. I live in Ca so 91 is my only "practical" choice of petro. I will be using the factory untouched AP1 ecu with the engine. Should I be worried about the higher compression ratio with a stock ecu and stock head gasket?
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Old 02-04-2010, 08:59 PM
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maybe you should put the other motor i have at the shop so i can save that JDM one for my car. hahaha!
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Old 02-04-2010, 09:06 PM
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OH wow you have turned into a forum nerd. HAHA Wait... so have I??
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Old 02-04-2010, 10:39 PM
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I know of one other person running a jdm engine and he ran it also on the stock ecu with no issues
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Old 02-05-2010, 07:17 AM
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Why the jdm engine?
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Old 02-05-2010, 07:58 AM
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you get more street cred
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Old 02-05-2010, 08:01 AM
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Originally Posted by DFWs2k,Feb 5 2010, 08:58 AM
you get more street cred
and higher compression.
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Old 02-05-2010, 10:47 AM
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Originally Posted by GT Motoring,Feb 5 2010, 12:01 PM
and higher compression.
what is the point of more compression if you are running 91 octane?
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Old 02-05-2010, 11:40 AM
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Originally Posted by Gigdy,Feb 5 2010, 08:17 AM
Why the jdm engine?
Free... Is that a good enough reason?
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Old 02-06-2010, 06:56 PM
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Originally Posted by Gigdy,Feb 5 2010, 11:47 AM
what is the point of more compression if you are running 91 octane?
Power!
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