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Buell Forum » Knowledge Vault (tech, parts, apparel, & accessories topics) » Engine » Fuel System: EFI/DDFI, Carb., Filter, Pump, Tank, Filler-Cap, Fuel » Do i need a bigger carb? « Previous Next »

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The4ork
Posted on Wednesday, July 23, 2014 - 09:36 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

S1 engine
xb 12 jugs/pistons/heads
heads ported stg 3 nhrs
stock cams
stock carb jetted 200
2.25 exh

I want to get a set of big cams, but im wondering if I need to do a carb upgrade first, or even at all?

Im looking at getting some red shift 643's, but im not sure they are going to be $150 worth of more performance than the nrhs cat 4's... open to suggestion.

I just feel like im missing a lot of power up top.

Also on stock ignition... maybe i need a recurve?
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