1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

40mm solex carb good enough for 12a?

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Old 10-20-05, 09:06 PM
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Rotary Freak

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40mm solex carb good enough for 12a?

as far as i know....solex=mikuni

is a 40mm going to cut it for an otherwise stock 12a???

what if i decide to port? will it then not be enough???

any one with experience with a 40mm solex/mikuni?

nick
Old 10-20-05, 10:42 PM
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Just soak it in 2-cycle

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Never used a 40, but from experience 44 is good for stock and just fine for a streetport. Find a deal on one?
Old 10-20-05, 10:43 PM
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its in the for sale section

i'd love to take it but can't afford it for 2 weeks
Old 10-21-05, 12:14 AM
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The Shadetree Project

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2 are good for a stock ported 12a.
Old 10-21-05, 09:22 PM
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any other opinions?
Old 10-21-05, 09:49 PM
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Check out www.rotaryaviation.com and email Tracy Crook (the site owner) with any questions regarding the Mikunis carbs (three of them) that he re-jetted to feed fuel to the original stock 1988 13B that he used to have in his RV-4 sport plane. (He's now running a Fuel-injected Renesis engine in this plane).

He can likely provide you with info on the correct jets and manifold set-up that would give you the best volumetric efficiency.
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