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View Full Version : M1 vs M5


IS38GTI
07-12-2017, 06:38 AM
Hey all,
VPracing M1 & M5..
Is there really a difference? M1 says it’s methanol and M5 says it’s racing fuel. I been running a 50/50 and 60/40 mix of M1. Would switching to M5 and running it pure benefit anything? I know you can’t mix this with distilled water.

Richard L
07-12-2017, 07:21 AM
M5 contains nitromethane, not good for the water pump.