johnbuckley
Well-known member
Can anyone tell me the length of the bolt and the thread size for the rear engine mount bolts please. Is there a page somewhere with all the thread sizes of the Model A?
thread of the rear engine mount bolts
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ryanheacox
Well-known member
To the flywheel housing is 1/2-13. To the frame is 5/16-24. There is a hardware manual that I think lists the sizes for all of the fasteners in the A but I don't have it.
FYI, Brattons website is great for quickly looking up thread sizes.
FYI, Brattons website is great for quickly looking up thread sizes.
The Ford parts book has the information. In the parts book look up Housing (flywheel) A-6395 under that see Bolt (housing to rear engine support) 22544-S, go to the back of the parts book to Price List Of Standard Parts look up 22544-S, 1/2"-13x1 3/8" hex head bolt (drilled head).
johnbuckley
Well-known member
Thank you , very helpful.
Bob Bidonde
Well-known member
One of the useful features of Model "A" parts catalogs is that the vendors list the thread sizes of bolts for various Model "A" parts. For examples, Bratton's catalog lists:
> Engine Mount to Frame Bolts 5/16-24 x 1-3/8;
> Rear Motor Mount to Flywheel Housing Bolts 1/2-13 x 1-3/8.
> Engine Mount to Frame Bolts 5/16-24 x 1-3/8;
> Rear Motor Mount to Flywheel Housing Bolts 1/2-13 x 1-3/8.