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What would the power difference from a 2860rs vs 2871 both with 64
exhaust at 25psi . I know other things come in to play but would like to
get and idea what power. The added flow would get me.
I am running a front mount race header equal length tube with large intercooler.
mains were 145 now 135 not sure why. runs 132mph on the radar gun in 660'
on homemade ice in a feild breaking free on the way down the track. At the local races this weekend.
Was out running my rx1 this weekend . sled ran great did some plug reading. And a new aem wideband , at wot i was at 10.4 plugs looked a little rich not bad so i dropped main jets and was 11.8-12.2 . but seat of the pants seemed to pull the same. is this normal ?
2860RS
MSD MC4
FUEL Q16...
Was out at a radar run 1000' run 20psi and a stm rage eight clutch with a 54-48 helix wh-wh spring at 3-3 was running 24-33 gearing was not pulling after 600' and could hear rpms go up and then rev out like it blew a belt.
clutches look good and were cool . So i put stock gears 24-38 in it and...
I have vortex bov hooked up in nipples in carb boots .
I wish this was efi like my trail 1200 skidoo fpp stage one i have no fuel
problems at all. And no carbs to work on.
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