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12-28-2017, 07:43 PM | #21 |
Senior Member
Join Date: Jul 2012
Location: Venice, FL
Posts: 648
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Re: Advice on lightened fly wheel
Once again, the Barn proves invaluable.
I hadn’t considered additional weight of a balanced crank only the loss of dampening a lightened flywheel offers along with the vibration of an unbalanced crank. I have read and considered all your comments including the “five year old” discussion on the subject. I didn’t see a definitive “you must do it” or “you must not do it”. My conclusion is that I will lighten the flywheel when I have to rebuild the engine and at that time install a counterbalanced crank. My thinking is with a counterbalanced crank there is no longer a need for a sixty-four-pound flywheel. I think the result will be a quicker responding engine both accelerating and decelerating. Thank you all very much for your comments on your experiences and all things model A. |
12-28-2017, 09:19 PM | #22 | |
Senior Member
Join Date: May 2010
Location: Bucks Co, Pa
Posts: 3,740
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Re: Advice on lightened fly wheel
I guess by now what I'm going to write is getting old, but here goes anyway. Get yourself a Model B carburetor. It's almost the same as an A carb, but with some small differences. In my albums, there are side by side pics that show some of these differences. Just to begin , those major difference are The main Bore, The accelerator tube, and the transversal float.Now when you get this Carb.you will need a manifold to be bored out to 1.281-1.300" and polished
and the runners must be polished too. This operation allows fuel mixture to pass through the manifold with less turbulence and therefore you get more of the gas into the cylinders. Go to Pirianos Antique Autos and tests on the dyno. indicate a rise in HP of about 4 HP or about 10%. Terry Quote:
Last edited by Terry, NJ; 12-28-2017 at 10:33 PM. |
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12-29-2017, 08:58 AM | #23 | |
Senior Member
Join Date: Sep 2017
Location: Monson, MA
Posts: 166
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Re: Advice on lightened fly wheel
Quote:
thanks, John |
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