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See how many rings are on the input shaft.
2 Rings is M20 1 Ring is M21 0 Rings it may be a very rare 67 M22. Also would have a drain plug on the side bottom, where the others wouldn't. If there are no rings on the input, then open the side cover after you drain the trans. See if the gears are cut at about a 45 degree angle or a 20 degree angle. 20 (or thereabouts)degree is M22. CHA CHING. ![]() |
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