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440 steel crank question

Started by DoubleDlover, January 22, 2024, 05:37:49 AM

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DoubleDlover

January 22, 2024, 05:37:49 AM
So a little sparrow flew into my house last night and told me that a 1970 std. 440 steel crank and a 1970 440 HP crank is different. even has a different part number.. Does anyone know anything about that? True? Or kinda not really? I know the balancers are different and the rods. But how about the crank? If so.. What is different? thanks r

b5blue

#1
January 22, 2024, 12:58:48 PM
I vote they are the same.

John_Kunkel

#2
January 22, 2024, 01:03:12 PM
The 440-4 standard performance and the 440-4 HP are the same and have the same part number dating back a few years, the 440-6 was new for '70 and has a different part number. Some sources claim that the 440-6 crank went through a hardening process that the others didn't.
Pardon me but my karma just ran over your dogma.

Kern Dog

#3
January 22, 2024, 02:20:18 PM
Birds can't make it into my house because I have doors and windows...and the dogs sort of act as a deterrent too.

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