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Old 07-07-2023, 05:44 PM
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Cubcadet_107 Cubcadet_107 is offline
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Join Date: Sep 2018
Location: New York
Posts: 573
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Definitely did NOT measure the bore with a pair of pliers. It was late last night and I don't really know what I was saying. That was supposed to be calipers. Not sure why my mind went sideways

It was a pretty consistent .010" oversize when I measured it back a year ago or so. but yeah that was a while back. I think about making a small mistake in the machining process like that but then taking a look at the fit of the piston in the bore it really seems like a lot more slop than a slight mistake. But I guess I don't know for sure.

As for the rod and crankshaft, I feel safer with my abilities going with a new crankshaft and rod. Besides anything else I do not like the way the bolts are situated on that rod. I don't know what is going on with it in the slightest, the bolts go all the way through and out the other side where there were two nuts that appeared to have loctite on them. You can't tighten them any once they are in there, as they sit flush against the rod. It seems like a really difficult setup to tighten properly once the rod is in there. I am not sure if maybe the bolts should have been installed the other way around and then the nuts tightened on them? I cannot tell just by looking at it but I don't really want to put it back together with that.

Also as for the rings my thoughts could be way off. As I said I don't have a feeler large enough to actually get the correct measurement of that gap. All I can say for certain is it is much larger than the .020" maximum.
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'70 107 with k301 engine swap
'71 106 with 38" deck
'70 147R with factory replacement k321, 42" deck
'61 Original with 38" timed deck
'63 70 "pinkie"
1863 with 54" deck
'46 Farmall H, '50 Farmall Cub

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