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LT1-LT4 Modifications 1993-97 Gen II Small Block V8

sunoco 100 Octane race fuel ??

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Old 03-23-2008, 06:45 PM
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eas
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Default sunoco 100 Octane race fuel ??
I have a caprice lt1 5.7 with headers and magnaflow exhaust will running the race fule 100 octane harm anything
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Old 03-23-2008, 06:49 PM
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if it's leaded it will harm the 02 sensors. Unless you're running nitrous and not wanting to retard timing, you're not gaining a damn thing running it.
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Old 03-23-2008, 09:48 PM
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^ what he said.
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Old 03-23-2008, 10:05 PM
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its gotta help clean the injectors and what not if anything...
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Old 03-23-2008, 10:07 PM
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just a waste on money
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Old 03-24-2008, 01:54 AM
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Originally Posted by Dave J
just a waste on money
I run Sonoco 100UL and nothing else
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Old 03-24-2008, 02:06 AM
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Originally Posted by TwoFast4Lv
I run Sonoco 100UL and nothing else
i believe your car is a little bit different from the rest of ours
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Old 03-24-2008, 02:14 AM
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i ran 100 delta sonic. did nothing but use more fuel. it ran the same as 93 sunoco. but my motor is all stock and an LS1, not LT1. so who knows ...might be better for an iron block.
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Old 03-24-2008, 02:14 AM
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Just your wallet!!
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Old 03-24-2008, 11:36 AM
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I know it's a little off topic but how come you can buy 100 oct. in some places but here in tx the most i can get at the station is 93
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Old 03-24-2008, 11:38 AM
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around here sunoco has 93 and 94 super plus, and we have one that has torco 110 (close to airstrip-plane gas) I never see a difference with mixing the higher octanes to get about 100.. just more expensive.
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Old 03-24-2008, 11:43 AM
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Originally Posted by eas
I have a caprice lt1 5.7 with headers and magnaflow exhaust will running the race fule 100 octane harm anything
It might actually slow you down some. Just put in what it calls for.
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Old 03-24-2008, 12:57 PM
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For a high compression N20 engine like mine it makes a differance
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Old 03-24-2008, 01:01 PM
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Originally Posted by TwoFast4Lv
For a high compression N20 engine like mine it makes a differance
I run this stuff in my engine its the only company I know that makes 110,112 and 114 in unleaded


http://www.proracingfuels.com/Product_MARK2.html
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Old 03-24-2008, 01:46 PM
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You should get tuned for race gas, in a bolton car just putting it in isnt going to do anything
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Old 03-24-2008, 03:02 PM
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I run 105oc mixed with some (note: some, not a lot) 93, and I notice a bit more pep. I only do it from time to time. Seeing as the same station sells E85 105oc I might mix those two
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Old 03-24-2008, 04:28 PM
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Originally Posted by eas
its gotta help clean the injectors and what not if anything...
prolly, but why pay all that when you're not gaining a single thing in your application, and a fuel with good cleaning agents is cheaper (Vpower). You can get good fuel system cleaners at the autostore and be ahead.
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Old 03-24-2008, 04:42 PM
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yea its gunna hurt your money situation
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Old 03-24-2008, 05:00 PM
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A pro injector cleaning session costs something like $100-150 (or more), a tank of 100oc? Full: $72 (at my 105oc price $4.50/gal) and 1/2 tank: $34.87
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Old 03-24-2008, 05:33 PM
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If you dont use garbage fuel your injectors shouldnt need to be cleaned
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