The Ford Barn - Crankshaft question (stupid?)

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- - Crankshaft question (stupid?) (https://www.fordbarn.com/forum/showthread.php?t=331710)

deuce295

10-05-2023 11:14 AM

Crankshaft question (stupid?)

Scat crankshaft shows stroke length 4.00 and 4.250. I thought the stock stroke was 4.125. Which is a stock replacement crank? Thanks for the help.

Jim Brierley

10-05-2023 11:18 AM

Re: Crankshaft question (stupid?)

4.250"

deuce295

10-05-2023 11:22 AM

Re: Crankshaft question (stupid?)

Thanks Jim. Appreciate the reply.

BRENT in 10-uh-C

10-05-2023 12:09 PM

Re: Crankshaft question (stupid?)

1 Attachment(s)

Quote:

Originally Posted by deuce295 (Post 2260422)

Scat crankshaft shows stroke length 4.00 and 4.250. I thought the stock stroke was 4.125. Which is a stock replacement crank? Thanks for the help.

Quote:

Originally Posted by Jim Brierley (Post 2260424)

4.250"

Ummm, yes better go with 4.250" for a stock A crankshaft. The Model-T was 4.000"

johnneilson

10-05-2023 12:23 PM

Re: Crankshaft question (stupid?)

Hmmmm no
The model a stk stroke is 4.250
Deck ht 11.5
Rod 7.5
Pist ch 1.875

Terry Burtz, Calif

10-05-2023 12:28 PM

Re: Crankshaft question (stupid?)

The Ford crankshaft drawing A-6303 specifies a stroke between 4.246 and 4.254 inches.

Dodge

10-06-2023 12:35 AM

Re: Crankshaft question (stupid?)

Terry, Happy to note your cranks are right on at 4.250

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