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TonyB 12-16-2002, 04:43 PM When going thru my carbs my mainjets in the the carbs were 480's. When I looked up the original jetting from the factory it is 440. I do not have a clutch cover with the jet sizes/temps/altitudes listing on it- so I am sort of at a loss. Doesn't that seem odd? to be 4 sizes LARGER then factory? What are your thoughts? Factory pipes....by the way.... Tony TonyB 12-17-2002, 08:26 PM Come on guys! Anyone have any ideas? No T-cat riders here? '94-97 should all be the same or close at least..... Tony FIRE SCRAP 12-17-2002, 08:39 PM I had a 94 t-cat and I ran 410 mains all the time and never had a problem in the 4 years I owned it.( most reliable sled I ever owned ) Beerman 12-17-2002, 08:42 PM Tony, call your local dealer and ask what the spec is, they should be able to still look it up. 6 12-18-2002, 10:22 PM Originally posted by TonyB@Dec 16 2002, 04:43 PM When going thru my carbs my mainjets in the the carbs were 480's. When I looked up the original jetting from the factory it is 440. I do not have a clutch cover with the jet sizes/temps/altitudes listing on it- so I am sort of at a loss. Doesn't that seem odd? to be 4 sizes LARGER then factory? What are your thoughts? Factory pipes....by the way.... Tony This would all depend on several things. 1. What altitude are YOU at? 2. Running oxygenated/blended fuels? 3. Any fuel system mods done to the sled? (i.e. bored carbs, airbox removed, gutted?) I too had a 94 T-cat and successfully ran 410 mains. BUT, this doesn't mean that YOU can. Check your piston wash and plug color and jet from there. TonyB 12-18-2002, 11:08 PM I am operating the sled at sea level or close to it, pump gas 92 octane and it appears that the previous owner gutted the air box (took the cones out). No other engine mods (that I know off) were done to the sled. Gonna just have to get a variety of jets and play some. Does anyone ever run different jets in different cylinders? Some polaris do this on their triples so I was wondering if this is common with AC? Thanks, Tony 6 12-19-2002, 08:35 AM Originally posted by TonyB@Dec 18 2002, 11:08 PM I am operating the sled at sea level or close to it, pump gas 92 octane and it appears that the previous owner gutted the air box (took the cones out). No other engine mods (that I know off) were done to the sled. Gonna just have to get a variety of jets and play some. Does anyone ever run different jets in different cylinders? Some polaris do this on their triples so I was wondering if this is common with AC? Thanks, Tony The gutted airbox is suspect. Start out high then come down to be safe. There's no telling how high you might need to be. Jet down slowly based on wash and plugs. Check at 1/4, 1/2, 3/4 and full. It is common to see a jet size difference on high-performane engines though I don't see how you will be able to tell what you need by wash and plugs alone. thunder94 12-28-2002, 02:58 AM where do you ride or wher was the sled bought from?I am from illinois ann dmy jets were .440-rode this in cetral u.p. and ran good-now im jetted way low for summer racing cant help with winter jetting-GET JETTED CORRECT TO CRUSH EVERY ONE! good luck-watch your plgs thunder94 12-28-2002, 03:02 AM my jetts are all stagard but i have e.g.ts and run on the edge-fat at p.t.o. to lean at mag | ||