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Old 04-17-2011, 07:08 PM
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Hacksaw Hacksaw is offline
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Originally Posted by mud bros
just my opinion not the law of carbs......

standard trans= mechanical secondary

auto trans=vac secondary

vac secondary's are progressive so it takes a few rpm to get them open again after shifting.

autos with less gears and the hammer down through shifts tends to keep em open longer
Thanks, I have a chance to buy a slightly used QFT P-750 mechanical carb for $350 shipped. This normally sells for $770. Should I pull the trigger? I am thinking about it hard
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