04-21-2010 | #1 |
Join Date: Dec 2005
Location: Tinton Falls, NJ
Posts: 1,177
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Race Fuel ?????
I have a freind that buys Sunoco race gas for his 462 BB. He keeps buggin me to buy some for my Z, is it worth it once in a while to mix some 100 octane in with the 93? Thanks
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04-21-2010 | #2 | |
Join Date: Aug 2006
Location: McLean, VA
Posts: 3,725
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Re: Race Fuel ?????
Quote:
Just my thought. Last edited by secondchance; 04-21-2010 at 10:18 AM. |
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04-22-2010 | #3 |
Join Date: Dec 2004
Location: Jacksonville, FL USA
Posts: 4,645
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Re: Race Fuel ?????
My question would be "does mixing 100 octane with 93 octane = 96.5 octane?"
Then the next question would be, " does your LT5 need 96.5 octane fuel?" I know your motor has been modified. JMHO, what is the benefit of using racing gas in a street car that was for sure designed to run of 91 or 93 octane fuel? Heck, according to the owner's manual we can use 87....we just will be missing about 1/3 of our advertised HP.
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1990 ZR-1, Black/grey, #2233, stock. ZR-1 Net Reg Founding Member #316 & NCM member |
04-22-2010 | #4 |
Join Date: Aug 2005
Location: Scottsdale, AZ
Posts: 2,452
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Re: Race Fuel ?????
We can only buy 91 octane out here in AZ
Hope this helps Left side is 92 octane Top is 100 octane Gals. Gallons 1 2 3 4 5 6 7 8 9 10 11 1 96.0 97.3 98.0 98.4 98.7 98.9 99.0 99.1 99.2 99.3 99.3 2 94.7 96.0 96.8 97.3 97.7 98.0 98.2 98.4 98.5 98.7 98.8 3 94.0 95.2 96.0 96.6 97.0 97.3 97.6 97.8 98.0 98.2 98.3 4 93.6 94.7 95.4 96.0 96.4 96.8 97.1 97.3 97.5 97.7 97.9 5 93.3 94.3 95.0 95.6 96.0 96.4 96.7 96.9 97.1 97.3 97.5 6 93.1 94.0 94.7 95.2 95.6 96.0 96.3 96.6 96.8 97.0 97.2 7 93.0 93.8 94.4 94.9 95.3 95.7 96.0 96.3 96.5 96.7 96.9 8 92.9 93.6 94.2 94.7 95.1 95.4 95.7 96.0 96.2 96.4 96.6 9 92.8 93.5 94.0 94.5 94.9 95.2 95.5 95.8 96.0 96.2 96.4 10 92.7 93.3 93.8 94.3 94.7 95.0 95.3 95.6 95.8 96.0 96.2 11 92.7 93.2 93.7 94.1 94.5 94.8 95.1 95.4 95.6 95.8 96.0 |
04-22-2010 | #5 |
Join Date: Aug 2006
Location: Edmonton, Alberta or Phoenix, Arizona
Posts: 2,741
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Re: Race Fuel ?????
No.
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There are no limit's mans ingenuity, just as mans ingenuity will never conquer the forces & behavior of this planet...Smokey Y. |
04-22-2010 | #6 |
Join Date: Mar 2006
Location: Innsbrook, Missouri
Posts: 1,727
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Re: Race Fuel ?????
We were sitting in the parkin lot at the Uplaza at a gathering a few years ago....Gordon K. said the same thing, LT5/s don't like the added octane.
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04-22-2010 | #7 |
Join Date: Apr 2010
Location: O'Fallon, Mo
Posts: 738
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Re: Race Fuel ?????
You also have to be very careful when buying race fuel that it is unleaded. You can clog your cats (if you still have them) and foul your 02 sensors. Sunoco is junk in the race fuel world, at least with boosted cars. I have drums of c-16 when I need it, but boosted v. n/a is like comparing apples to oranges.
If you are not pulling timing due to knock, I see no benefits from added octane. Meth/water injection maybe to cool intake charge temp, but not octane. |
04-23-2010 | #8 |
Join Date: Dec 2005
Location: Tinton Falls, NJ
Posts: 1,177
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Re: Race Fuel ?????
Thanks to all! You guys just saved me a bunch of money
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