how much of a power gain is there going form 87 octane to 93 octane....
05-08-2002, 07:39 PM
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how much of a power gain is there going form 87 octane to 93 octane....
I was just curious about how much of a gain i can expect on a stock motor from switching fuels
05-08-2002, 07:48 PM
#2
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Re: how much of a power gain is there going form 87 octane to 93 octane.... (CrOmEdOmEcHaMbEr)
None. it will only guard against detonation. Higher octane will not detonate as easily, allowing you to run higher compression, or more boost. So, unless you are detonating, there is really not much benefit to upping octane.
05-08-2002, 08:07 PM
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Re: how much of a power gain is there going form 87 octane to 93 octane.... (00-ITR-373)
some lower comp motors run a lot better off of 87... the 91 is too hard for the motor to burn... 
05-08-2002, 09:03 PM
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Re: how much of a power gain is there going form 87 octane to 93 octane.... (slooowDX)
You need it when you have Turbo/SC/NOS/High Compression. Any other time just use whats recomended
05-08-2002, 09:07 PM
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Re: how much of a power gain is there going form 87 octane to 93 octane.... (CrOmEdOmEcHaMbEr)
higher octane gasoline burns slower.. therefore there is absolutely no performance gain by using it unless your engine setup requires it. use the lowest octane fuel you can get away with.
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05-09-2002, 08:32 AM
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Re: how much of a power gain is there going form 87 octane to 93 octane.... (CDM SiR)
92 octane burns hotter i think than 87, but ya I agree totally with guys above on detonation. It seems to me it a tank of premium doesnt last as long as regular. But maybe i just drive it differently.
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