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Search took 0.00 seconds. Search: Posts Made By: Terry Burtz, Calif
Forum: Model A (1928-31) 09-10-2019, 09:23 PM
Replies: 103
Views: 18,352
Posted By Terry Burtz, Calif
Re: babbit tolerance? .000?

Brent,
My copy of A-6015 has EI 12403 3/28/1929 incorporated with no Brinell hardness mentioned.
Your copy of A-6015 has EI 13436 7/10/1929 incorporated with the Brinell hardness note added.
Forum: Model A (1928-31) 09-09-2019, 09:08 PM
Replies: 103
Views: 18,352
Posted By Terry Burtz, Calif
Re: babbit tolerance? .000?

Brent,

There are no Brinell hardness requirements on the drawings.

I agree that most dimensions are specified without telling the machinist how to do it. Some dimensions tell the machinist to...
Forum: Model A (1928-31) 09-09-2019, 12:45 PM
Replies: 103
Views: 18,352
Posted By Terry Burtz, Calif
Re: babbit tolerance? .000?

That would be like saying the engine cylinder cases (blocks) were bored to 3.8735" in size. While that is accurate statement, that was not the finished bore size after honing.

Per Ford drawing...
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