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Any benefit to running race fuel ?

I have a 2013 1100 turbo with evo reflash and high flow elbow and evo air intake.
If I just want a little more hp can I run 100 octane Av fuel or super 98


I would say to run the fuel the tune is designed for. If you have a pump gas tune, it will run best on that fuel. If you have EVO flash you to run 100LL, run that, and that only.
 
The higher octane staves off preignition/detonation and will prevent the ecu from retarding timing as the intake charge heats up on a long pull. Will you magically see it make 250 hp? No. Will it add a little timing over pump gas? Likely. Mostly it will be apparent on long steep pulls. Won't hurt a thing, but probably isn't worth the price and probably won't know the difference.
 
If you actually use higher octane that what your motor is built for or flashed for you will actually lose HP.

I see it all the time giuys with stock or slightly modded sleds that can run pump gas will go out and buy race gas because they think it must give you more power. It doesnt it will actually hurt performance
 
you want to run as low a octane fuel as you can, thats where you make power...

over octane is a waste like others stated....


if you are not getting octane code thrown at you all the time i would run the pump fuel, only....
 
If you actually use higher octane that what your motor is built for or flashed for you will actually lose HP.

I see it all the time giuys with stock or slightly modded sleds that can run pump gas will go out and buy race gas because they think it must give you more power. It doesnt it will actually hurt performance

Yes to a point. Our program will add timing up to 2.5 degrees over the baseline timing mapping depending upon feedback from the knock sensor. Running slightly better fuel than we tune for can add some hp through timing.
 
Yes to a point. Our program will add timing up to 2.5 degrees over the baseline timing mapping depending upon feedback from the knock sensor. Running slightly better fuel than we tune for can add some hp through timing.

Key word there being slightly...
I see guys running 100 in a sled intended for 87, or running 5 gal of race gas for a pump gas turbo... adding a gallon of 112 to a tank is a far cry from that kind of thing.
 
Rule of thumb here.
you have a 93 octang tune.. ( Check your ECU tag from EVO)...
Pump gas premium generally is 91- at least here in the western Mountains
We add 2 gal of 100llc to a tank of pump gas (91).(Generally 8.2 gal)
Ride it that way and don't look back... it easy- but can get confusing with so many ways of explaining it.

If all you got is 91 Jims tune will pull the timing.. your still safe, but mix as instructed ( the slightly word again) and a slight smile will come across your face, and you AND your motor will be happy:cheer2:

S/C
 
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