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What Gas for Which Motor?

Old 03-May-2007, 10:47 PM
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What Gas for Which Motor?

what gas to use in a B16 motor? and a D16Y8?(SI)

I've noticed my si actually likes 87 > 89/91
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Old 03-May-2007, 10:53 PM
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b16 id go with 91 and for the d series 87 ftw
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Old 04-May-2007, 12:15 AM
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Originally posted by b18bHatch
b16 id go with 91 and for the d series 87 ftw
but the B16 is 10:1 and the D16 is 9.6:1 is the .4 that much of a difference?
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Old 04-May-2007, 03:00 AM
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99-00 SIR calls for 91 octane
96-00 SI calls for 87 octane
Check your owners manual.
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Old 04-May-2007, 03:08 AM
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in a pickle you can use lowgrade octane gasoline and the knock sensor will take care of the rest...tho fuel mileage and performance may suffer a a buck 20 a litre I'm starting to hate my GS-R haha
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Old 04-May-2007, 05:03 AM
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b16 can run on 87 no problem...just dont push the engine hard.
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Old 04-May-2007, 07:32 AM
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my manual says to use 91 or higher research octain. 91 civic dx 4 door.

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Old 04-May-2007, 12:11 PM
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your also reading a manual from 1991 or earlier. Gas quality has gone up sooo much from then. A d series engine doesnt need 91. 87 is fine for a d. You can use 91 in it but there is probably no gain other than a few extra k .
My B16 has head work done and I run 94 and in a pinch I run 91.
The less detination the better!
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Old 04-May-2007, 02:12 PM
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yah.. thats 91 RON.... u don't need anything above 87 in a Si
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