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Crank Swap #2836809
10/24/20 03:47 AM
10/24/20 03:47 AM
Joined: Jun 2013
Posts: 770
Oregon, U.S.A
E
elmor353 Offline OP
super stock
elmor353  Offline OP
super stock
E

Joined: Jun 2013
Posts: 770
Oregon, U.S.A
Boogered up the forged crank in my 67 440. I have a cast crank, balancer and weighted convertor. Is there a problem using the cast crank in my older block while using the smaller flange thrust bearing?

Re: Crank Swap [Re: elmor353] #2836820
10/24/20 07:12 AM
10/24/20 07:12 AM
Joined: Jan 2003
Posts: 5,611
Abilene, Texas
F
fastmark Offline
master
fastmark  Offline
master
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Joined: Jan 2003
Posts: 5,611
Abilene, Texas
The cranks can interchange. Just use the right bearing for the block.

Re: Crank Swap [Re: elmor353] #2836925
10/24/20 12:56 PM
10/24/20 12:56 PM
Joined: Aug 2003
Posts: 35,912
Bend,OR USA
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Cab_Burge Offline
I Win
Cab_Burge  Offline
I Win
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Joined: Aug 2003
Posts: 35,912
Bend,OR USA
Do you know if that cast crank had the bigger heavier H,D rods like the 1970/71 six pack rods or the same size as the LY rods?
If it was made with the heavier rods I would have the crank rebalanced for your motor twocents


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: Crank Swap [Re: Cab_Burge] #2837585
10/26/20 02:01 PM
10/26/20 02:01 PM
Joined: Jun 2013
Posts: 770
Oregon, U.S.A
E
elmor353 Offline OP
super stock
elmor353  Offline OP
super stock
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Joined: Jun 2013
Posts: 770
Oregon, U.S.A
This crank came from a 77 engine. I don't believe it had the heavy rods on it.







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