Forum: Model A (1928-31)
11-22-2019, 12:36 AM
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Replies: 30
Views: 5,234
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Forum: Model A (1928-31)
11-20-2019, 07:12 PM
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Replies: 30
Views: 5,234
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Forum: Model A (1928-31)
11-20-2019, 06:37 PM
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Replies: 30
Views: 5,234
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Forum: Model A (1928-31)
11-20-2019, 06:15 PM
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Replies: 30
Views: 5,234
Re: Main and Rod Shim Sequence ???
Give, or take 500 engines. Way more then that in just babbitt jobs. There was a Guy in Minneapolis, that would bring, 18 to 22 blocks at a time. He would do the machine work, and then brought them...
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Forum: Model A (1928-31)
11-19-2019, 05:47 PM
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Replies: 30
Views: 5,234
Re: Main and Rod Shim Sequence ???
To answer your question, on what we have found, was about 33 cranks, in about 55 years, not broke, but cracked, and not usable. We have never used any crank shaft, with out magnafluxing it first, on...
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Forum: Model A (1928-31)
11-19-2019, 05:24 PM
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Replies: 30
Views: 5,234
Re: Main and Rod Shim Sequence ???
Model A's had a lower breakage, because of the bigger shaft that was used, then the Model T's that had, or have about a 65%, or a little higher, crack rate. This is all caused by out of alignment,...
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Forum: Model A (1928-31)
11-17-2019, 04:49 PM
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Replies: 30
Views: 5,234
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Forum: Model A (1928-31)
11-17-2019, 04:45 PM
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Replies: 30
Views: 5,234
Re: Main and Rod Shim Sequence ???
The crank would be out of alignment at the bearings, the worst, at rest, and when running, the centrifugal force of the flywheel, tries to put the shaft back into a straight line, it has to force...
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Forum: Model A (1928-31)
11-17-2019, 04:11 PM
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Replies: 30
Views: 5,234
Re: Main and Rod Shim Sequence ???
I like the bearings [ rods and mains] at .0015" [ no more than .002"] with each side of the shim pack equal thickness.[/QUOTE]
Me too.
Herm.
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Forum: Model A (1928-31)
11-16-2019, 09:16 PM
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Replies: 30
Views: 5,234
Re: Main and Rod Shim Sequence ???
What the reference is to, the middle main, as most know, the hanging weight of the flywheel, causes the the crank to bowed, center bearing up, and rear bearing down.
In a center bearing, you can...
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