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Old 10-14-2009, 09:51 AM
454C10 454C10 is offline
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it seems like you have enough gear for the little 340.

So I would change to the regular rpm intake. Don't get a rpm airgap, as they don't run well in cold climates. Your carb needs heat under it to run correctly. Just use the exhaust restrictor. Get a square flange intake.

what are the cam specs?

how is your ignition timing setup? initial, total mechanical, how much vacuum advance?
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