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Buell Forum » Old School Buell » Archives OSB 001 » Archive through March 23, 2006 » Intake Manifolds « Previous Next »

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Stricnine
Posted on Saturday, March 18, 2006 - 10:16 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

What would be the best manifold to run with a HSR42 Mikuni, with stage 2 nrhs heads (thunderstorm), 20 over pistons, and andrews n8's
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3boyz
Posted on Saturday, March 18, 2006 - 11:25 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

stock, ported to match your intakes.
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Sportyeric
Posted on Saturday, March 18, 2006 - 11:35 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Don't get anything longer than stock length or it might not clear the frame.
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Aaomy
Posted on Monday, March 20, 2006 - 10:19 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

have read about a couple of test where the the only thing changed was the intake manifold and it had no affect to little affect on the performance of the machine. mods to the filter and intake mouth or venturi had a much larger effect. personally i would just clean up my stock and remove the casting lines, save the money for something with a little more gains,,, but that is just my take on the subject..P.S. not to say that an improved intake tract dosent help performance,, just that many things must be first moddified before gains can be successfully sought here...
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Oldog
Posted on Monday, March 20, 2006 - 10:26 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

As i understand it do not polish it just match the openings
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Bomber
Posted on Tuesday, March 21, 2006 - 09:47 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

polishing intake tracts can reduce the turbulence caused by the as-cast finish -- the turbulence is desirable as it makes the air/fuel mixture more consistant throughout -- removing parting lines from the casting IS a good thing to do, however

short version, like Aaomy and Oldhound said ;-}
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Stricnine
Posted on Tuesday, March 21, 2006 - 11:21 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Thanks guys. I'll try the cheap route like Aaomy said and see how that does.
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