Jetting info for fast twin eliminator pipes [Archive] - Snowmobile World : Your #1 Snowmobile Forum

: Jetting info for fast twin eliminator pipes


SummitPower
02-16-2002, 08:52 AM
Does anyone have jetting information for Fast Twin Eliminator pipes for a 1995-96 Mach 1 670?

rotaryvalvesrule
02-16-2002, 01:20 PM
THOSE ARE GOOD PIPES. I RAN THEM ON A 95 SS. MINE WORKED BEST AROUND 8450 ON A DIGITAL TACH. THAT SLED RAN WITH STOCK MACH Z'S AT THE RADAR RUNS. FAST SPECS ARE 490 MAIN JETS WITH A GUTTED AIRBOX OR K&N FILTERS. I RAN THE FILTERS. RICHEN E CLIP 1 POSITION ABOVE O DEGREES. RICHEN E CLIP 2 POSITIONS BELOW 0 DEGREES. ROTARY VALVE TIMING IS 150 DEGREES OPENING AND 80 DEGREES CLOSING. I CUT MY OWN VALVE OUT OF THE STOCK ONE. I WOULD RECOMMEND THE K&N FILTERS. I HOPE THIS HELPS. IF YOU SPEND SOME TIME TESTING YOU WILL BE IMPRESSED WITH THE RESULTS! GOOD LUCK.

rotaryvalvesrule
02-16-2002, 01:23 PM
OOPS! I FORGOT TO TELL YOU. THOSE SPECS ARE FOR 0 DEGREES F, SEA LEVEL, AND 1 MILE WIDE OPEN.