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carb jetting?

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Old 04-13-08, 09:48 PM
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carb jetting?
I have a 74 REPU with a 6 port motor, running a 45 side draft. Runs rich(black smoke), What size venturis and jets should I be using? I pulls good, It just dumps a cloud of black smoke every now and then....thanks for any help I you may give...
Last edited by 81 GSL; 04-13-08 at 09:49 PM. Reason: just because
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Old 04-14-08, 11:42 AM
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I cant say on the 45mm Weber as I have a 48. But here is a good instruction on how to go about tuning.

http://www.racetep.com/webjettune.html
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Old 04-14-08, 04:23 PM
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Good info Tom, thanks.
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