Who uses RACE FUEL on their track runs?
09-25-2005, 10:27 AM
#1
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Who uses RACE FUEL on their track runs?
I'm just curious as to whether some have found any benefits to using race fuel at the track.I'm sure the guys with the C32's have since they are F/I but I want to know if this has been the case as far as an improvement in performance.Especially on the N/A motors.
09-25-2005, 02:30 PM
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2002 C32 Black/Charcoal
I usually run 1/2 mix of 101 octane, to give me a total octane of 96. If you can't find 101, then a 15% mix of toluene (available at Sherwin-Williams or any other paint supply store) will work wonders. I tried both once (101 and toluene), and my times/speeds went down, probably because the octane was too high.
09-26-2005, 05:41 PM
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Originally Posted by rguy
I only use race fuel in my veins. I can't afford enough to run a car with....boo hoo.
Your the BEST!
Last edited by ProjectC55; 09-26-2005 at 05:45 PM.
09-26-2005, 09:59 PM
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Originally Posted by JamE55
I'm running strictly 101oct on mine! And can definitely see the benifit!
And can definitely see the benifit!
LOL! You are using Forced induction!!!!!!! 
Hopefullly I'm correct!!!!!What Oct is the lady in your sig using? 
Last edited by ProjectC55; 09-26-2005 at 10:01 PM.
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09-26-2005, 10:07 PM
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My ex-cars: 03 E55,04 C32, 05 C55 ,03 E320
i used a pretty high octane when i was the dragway..they sold sunoco racing fuel..i believe it was aroun 114 octane..
didnt really feel that much of a difference
didnt really feel that much of a difference
09-26-2005, 10:13 PM
#9
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Originally Posted by derrick_lui
i used a pretty high octane when i was the dragway..they sold sunoco racing fuel..i believe it was aroun 114 octane..
didnt really feel that much of a difference
didnt really feel that much of a difference
09-27-2005, 09:23 AM
#10
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Originally Posted by coolcarlskiC43
Well! LOL! You are using Forced induction!!!!!!! Hopefullly I'm correct!!!!!What Oct is the lady in your sig using?
LOL! You are using Forced induction!!!!!!! Hopefullly I'm correct!!!!!What Oct is the lady in your sig using? 
Yes FI! You just won a trip to Cabo San Lucas! 
That lady is using a very special octane... :p Carl,
Wait are you waiting for? Kleemannized that isht so you can be like Donnie!! lol
09-27-2005, 09:28 AM
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2002 C32 Black/Charcoal
Originally Posted by coolcarlskiC43
You know that high an octane can damage your cats right?You should only be using 100 to 101 the most with unleaded fuel if you even need a higher oct than pump gas.
09-27-2005, 09:39 AM
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I ran at the drags using 100 octane unleaded....whole freakin' tankfull of it at $5/gallon (this was a year ago!)....probably over $6/gallon now.
Bottom line result: No improvement whatsoever.
Bottom line result: No improvement whatsoever.
09-27-2005, 12:37 PM
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Originally Posted by JamE55
FI = Yes FI! You just won a trip to Cabo San Lucas! That lady is using a very special octane... :p
Carl,
Wait are you waiting for? Kleemannized that isht so you can be like Donnie!! lol
Yes FI! You just won a trip to Cabo San Lucas! That lady is using a very special octane... :p Carl,
Wait are you waiting for? Kleemannized that isht so you can be like Donnie!! lol
Some of you guys have deep pockets..
Originally Posted by Chappy
I ran at the drags using 100 octane unleaded....whole freakin' tankfull of it at $5/gallon (this was a year ago!)....probably over $6/gallon now.
Bottom line result: No improvement whatsoever.
Bottom line result: No improvement whatsoever.
Originally Posted by Vomit
Actually, anything over about 95 or 96 octane is probably going to do more harm to your AMG performance than good. Remember, octane retards detonation of gasoline. If your octane is too high, you will actually see a downturn in engine power.
Last edited by ProjectC55; 09-27-2005 at 12:42 PM.
09-27-2005, 12:44 PM
#14
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Originally Posted by coolcarlskiC43
Were you using it on your 13.4 run?
10-03-2005, 03:59 PM
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C32
Originally Posted by coolcarlskiC43
You know that high an octane can damage your cats right?You should only be using 100 to 101 the most with unleaded fuel if you even need a higher oct than pump gas.
10-03-2005, 08:01 PM
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Originally Posted by AaronC
That is incorrect. Leaded gasoline will damage your cats, the octane rating has nothing to do with it.
Usually the highest octane gas(110 up) will always be leaded!!!I guess I should have been clearer!
Last edited by ProjectC55; 10-03-2005 at 08:04 PM.
10-03-2005, 08:33 PM
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Jaguar STR
Adding Octane to a NA motor and not changing the tune will do nothing but waste money. Our cars have plenty of octane on pump gas unless you raise the timing to lean the car out were it will need more octane hece the reason you have the car chipped for your local pump gas mine is set for 93.
Forced induction is the best place to see race gas or very high compression NA motors built for the track. In FI cars only if you raise boost to accommodate the new octane. I run VP import in my race car motor octane rating of 123 formulated for turbo and NOS application $32 a gallon I run 38-40 psi and 120hp wet shot on 8.5-1 compression.
I agree adding very high octane will most likely rob some power.
It is also somewhat a myth that leaded fuel will cause damage. It will over time and its not good for the cats (who needs those) but I ran straight C16 115 octane leaded fuel in my street supra for a year with the same wideban 02 no problems. Although I would not recommend prolong use the avrage guy thats only running it from time to time wont see an issue.
So to sum up don't waste your money on race gas for the C55 or the C32 with low boost pullies. What I would like to see for the AMG is a two stage ECU chip, we use them on a lot of other cars were you can toggle back and forth between a street tune for daily pump gas driving and an aggressive timing leaner race tune set for 100 octane.
Forced induction is the best place to see race gas or very high compression NA motors built for the track. In FI cars only if you raise boost to accommodate the new octane. I run VP import in my race car motor octane rating of 123 formulated for turbo and NOS application $32 a gallon I run 38-40 psi and 120hp wet shot on 8.5-1 compression.
I agree adding very high octane will most likely rob some power.
It is also somewhat a myth that leaded fuel will cause damage. It will over time and its not good for the cats (who needs those) but I ran straight C16 115 octane leaded fuel in my street supra for a year with the same wideban 02 no problems. Although I would not recommend prolong use the avrage guy thats only running it from time to time wont see an issue.
So to sum up don't waste your money on race gas for the C55 or the C32 with low boost pullies. What I would like to see for the AMG is a two stage ECU chip, we use them on a lot of other cars were you can toggle back and forth between a street tune for daily pump gas driving and an aggressive timing leaner race tune set for 100 octane.
10-04-2005, 06:49 AM
#19
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Originally Posted by None
What I would like to see for the AMG is a two stage ECU chip, we use them on a lot of other cars were you can toggle back and forth between a street tune for daily pump gas driving and an aggressive timing leaner race tune set for 100 octane.
And Yes higher than normal street octane for our cars is a waste of $$$$$.
