Steve, Well how bout this. I have three long 20 covers that are aluminum but a magnet will stick to them. Now it does not stick as solid / hard as it does on a known short/101 model but it does stick. I know they are aluminum as when I weigh them there is absoluely no question. I guess my question f...

I am in need of two items, neither EZ ones to find but they are out there someplace. 1-- carb, manifold and tank assy for a Mac ONE -- I have the complete engine that is correct in every way except someone replaced the original setup with a Mac 2 carb and manifold. I would consider a whole engine if...

steveohara wrote:Scott,

The all original Mc 20 I have on my wall has a steel shroud.
Steve O'Hara

Is it 1/2" longer than a 30-40-45 etc..etc ?
Mine are all aluminum (and 1/2" longer)

Any paricular brand you would prefer ?

The single exhaust port scheme has proven to be the superior design for maximum performance, in particular when coupled with an extra pair of smaller auxiliary ports --- the standard rule of thumb for the maximum chord width on the main port is 1/5 of the circumference -- most engines are supplied i...

Rob Voska wrote:GEM made manifolds with a fin to block off the third port.

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.YES they did, several models in fact
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Robert is in the hospital with a serious heath issue -- an infection close to his heart -- they are currently trying to get it under control in order to do some surgery later (once he is strong enough to undergo the proceedure) -- everyone please keep Robert in your prayers.

hey Sonny, maybe you should give me a ring 423--698-0847