Engine build tips

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Aug 19, 2010, 01:58 PM

#31

RSMike

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Quote:

Originally Posted by KX250Fmotoracer

An injector that big wouldn't dump too much fuel at low RPM? I'm only looking to make about 400 at the wheels.

it's all in the tune.
large injectors dont really overfuel anymore at idle, unless the tuner doesn't know what they are doing.
you can use 2200cc injectors now that idle perfectly.

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Aug 19, 2010, 08:58 PM

#32

KX250Fmotoracer

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Quote:

Originally Posted by RSMike

it's all in the tune.
large injectors dont really overfuel anymore at idle, unless the tuner doesn't know what they are doing.
you can use 2200cc injectors now that idle perfectly.

Hmm ok, I didn't know that- thats why I was being so conservative with injector size!

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Aug 19, 2010, 09:11 PM

#33

KX250Fmotoracer

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OK, well today I ordered a LOT of parts!

Eagle forged 100mm crank
Eagle h-beam rods
JE 2.3 stroker 9.0:1 pistons +.5mm
ACL race main bearings
ACL race rod bearings
ARP main studs
ARP head studs
Mitsubishi master gasket kit
Fidanza cam gears
TD05HR Turbo rebuild kit

I still havne't decided which cam or clutch I am going to use yet though...

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