Re: Re: H distributor plate marks - possibly for D

Posted by Dave in CT on July 12, 2004 at 09:22:47 from (64.252.221.173):

In Reply to: Re: H distributor plate marks - possibly for Dave posted by kfox on July 12, 2004 at 00:01:49:

Wayne Swenson E-mailed me some pages from the IH Service Manual _4 Cylinder Carbureted Engines, Form ISS-1039-1 April, 1972 (Supercededs Form ISS-1039). In Section 1, General, page 24 of that manual there is a chart that list specs on the Series 135B, model AH distributor - CC rotation, 0.020 Breaker Point Gap (inch), 0 Degrees of Spark Advance at 400 RPM, 20 degrees at 2400 RPM. The last figures are distributor degrees, not crankshaft degrees. Having said that, these figure may be addressed to the markings on your distributor flange. I think someone may have put in a different distributor shaft and plate. The reason I say that is the 'R' in your '40R' markings on the plate. I would have expected an 'L'. Since my plate has an '8R' on it and it's supposedly made for a gas-start, deisel run engine, those revolve in the reverse direction to the gas only, yet the chart shows your distributor as turning counter clockwise, like all the gas engines, for which I would have expected a 'L' marking. I think it's time for someone with more experience than I to contribute. Post the question, perhaps with the report of these specs, as a new question and see if you can get some more certain information. Thanks for contributing.

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