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50/50 race fuel in stock sled

TBird

Well-known member
Premium Member
Jan 16, 2008
673
149
43
North of Sweden
There is no advantage to mix with race fuel on a stock 4stroke, and as rynokron says, you will be getting less hp from the engine.
 
M

Mcx Nytro

Well-known member
Nov 26, 2007
838
82
28
Vernon BC
I run with 2 mpi supers and they say 50/50 race fuel and then straight race fuel over a certain boost level,,,he they did this until they ran out one weekend and used my av gas...BOTH noticed a HUGE improvement in performance....too much octane will hurt...not help..................02
 
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