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What Jetting For My Mods?


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I have a fresh top end w/wiseco prolites and had the jugs ported and polished. I HAD been running #350 mains and #30 pilots and 1 notch lean from the middle needle clip. I had never done a plug chop with the #350s, but it ran rough with the lid on, so I cut the last 1/4 or so off (per Banchetta's recommendation)and it ran great, so I figured it was jetted ok.

 

MODS:

K&N w/lid cut as described above.

T6s (correction: T5s)

Boyesen Rad Valve and Pro Series Reeds.

Wiseco Prolites (Now)

Ported/Polished (Now)

 

tHANKS

Edited by J-Madd
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How do I do a plug test with a "new" engine I haven't put it back together yet, and am not sure how to do a plug test w/out going to WOT. Don't want to go to WOT on new piston obviously,

 

 

(I have T5 (FIVE)s NOT t6s, (typo)

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You'll want to jet it a little richer than what you "expect" to be pretty close, that way you know your not lean. If that makes sense to you. As you get it broke in then you can start the little adjustments and work your way up.

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That makes sense to me...absolutely. I will either put #360 mains in or put a whole lid back on if I can't get #360s (don't have any.........ordered from magic racing and biggest they have is #350s). I think there's a cycle shop 20 miles away that has them.

 

 

Any other tips from anyone?

 

thanks all.

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That makes sense to me...absolutely. I will either put #360 mains in or put a whole lid back on if I can't get #360s (don't have any.........ordered from magic racing and biggest they have is #350s). I think there's a cycle shop 20 miles away that has them.

 

 

Any other tips from anyone?

 

thanks all.

Try CarbParts.com. Get their number and call them with what you need, if your unsure they can find the part for you. In this case, it's just main jets, so tell them what you have and what you need and they'll get it to you faster than flys on bacon. ;)

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