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View Full Version : 11:1 and race gas


nj300exr
08-30-2002, 01:06 PM
i was wonderin if when i put a wb power up kit in my 300, which willl then have 11:1 , thne will i need to run race gas
oynot400
08-30-2002, 01:09 PM
I would to be on the safe side. Or at least a 50/50 mix with pump gas.
RideRed400EX
08-30-2002, 01:10 PM
Use super unless you have a detonation problem. C-12 is over five bucks a gallon which adds up when you ride alot.
nj300exr
08-30-2002, 01:17 PM
i was thinkin since i ride alot(at least a tank ada durin the wee and 3 or four on weekends) i was gonna run super and an occasional 5050
RideRed400EX
08-30-2002, 01:22 PM
Beware... Nothing smells sweeter than race fuel when it burns. After you run it the pump gas seems kinda boring.
RED121572
08-30-2002, 05:47 PM
Ive ran race gas. It gets pricey and its real hard to find in most areas.

If you read from what the Great Mickey Dunlop has to say about 11.1 compression, he says you dont need race gas. Ive been running 94 octane for the past several weeks and my machine runs fine.

The new polaris predator is a 11.1 bone stock. Pump gas is recommended for that.:D
Smoker
08-30-2002, 06:46 PM
The Sunoco 94 is fine in an 11:1 engine except for when you bog it once and a while and you get a knock or a ping. It wouldn't hurt to mix it a bit with some higher octane gas. :p
nj300exr
08-31-2002, 03:32 PM
does that mean it will give it a permantet knock or it will just knock or detonate when i bog it
kicken250x
08-31-2002, 04:04 PM
im runnin a 13:1 on 94 octain so i think youll be ok on a 11:1...:D
Smoker
08-31-2002, 05:47 PM
It'll run fine except for the occasional knock. You have to bog it kind of bad to get it to though. :p
Nausty
08-31-2002, 06:49 PM
go with a 10:5 compression piston