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View Full Version : What kind of GP can you get out of a 400EX



razer
12-12-2002, 01:46 AM
Anyone dyno'd their 400EX's or 440EX's after their engine mods to see what they got out of them?

Is 50HP plausible for 440 kit, race port and polish, after market carb, cam, and powerkit (jets and filter)?

Anyone have their dyno results?


I plan on getting mine dyno'd after I get the modifications completed, hopefully by X-mas. I'll post em here to see what I get. We're shooting for 50+ HP. That's the target anyway.

YZROOSTINYA
12-12-2002, 03:34 AM
a full done up 44 will be in the low to mid 40"s

and it would have to be FULL DONE up

otherwise around 35-38