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440 balancing, internal or external? #970927 04/10/11 11:27 PM 04/10/11 11:27 PM
Joined: Apr 2011 Posts: 2 AR C c73cuda OP member
c73cuda OP member C Joined: Apr 2011 Posts: 2 AR	I have a 1972 Chrysler passenger car 440 engine with a forged crankshaft. It appears that the harmonic balancer is for an internally balanced engine (it has no asymetry and is approximetly one inch in thickness) It does have the clocked or asymetric bolt pattern for the main pulley. Is this an internally balanced engine and how can I tell. I no longer have the flex plate.

Re: 440 balancing, internal or external? [Re: c73cuda] #970928 04/11/11 12:23 AM 04/11/11 12:23 AM
Joined: Nov 2003 Posts: 36,040 Lincoln Nebraska R RapidRobert Circle Track
RapidRobert Circle Track R Joined: Nov 2003 Posts: 36,040 Lincoln Nebraska	Quote: Is this an internally balanced engine Yes you're in luck live every 24 hour block of time like it's your last day on earth

Re: 440 balancing, internal or external? [Re: c73cuda] #970929 04/11/11 01:04 AM 04/11/11 01:04 AM
Joined: Jan 2003 Posts: 74,977 U.S.S.A. JohnRR I Win
JohnRR I Win Joined: Jan 2003 Posts: 74,977 U.S.S.A.	If it is not an HP engine and has a forged crank it is indeed internal balance .

Re: 440 balancing, internal or external? [Re: JohnRR] #970930 04/11/11 08:37 AM 04/11/11 08:37 AM
Joined: Apr 2011 Posts: 2 AR C c73cuda OP member
c73cuda OP member C Joined: Apr 2011 Posts: 2 AR	Thanks

Re: 440 balancing, internal or external? [Re: JohnRR] #970931 04/11/11 03:00 PM 04/11/11 03:00 PM
Joined: Jan 2003 Posts: 25,748 Rio Linda, CA John_Kunkel Too Many Posts
John_Kunkel Too Many Posts Joined: Jan 2003 Posts: 25,748 Rio Linda, CA	HP or not, the cast crank didn't arrive until '73. I'm curious that the damper has the asymmetric pattern, '72 was the first year for the symmetric pattern. The INTERNET, the MISinformation superhighway

Re: 440 balancing, internal or external? [Re: John_Kunkel] #970932 04/11/11 03:26 PM 04/11/11 03:26 PM
Joined: Jan 2003 Posts: 74,977 U.S.S.A. JohnRR I Win
JohnRR I Win Joined: Jan 2003 Posts: 74,977 U.S.S.A.	Quote: HP or not, the cast crank didn't arrive until '73. I'm curious that the damper has the asymmetric pattern, '72 was the first year for the symmetric pattern. Yes I was curious about that also. That aside , the 440 HP and the 6pk were external balance in 70/71, I guess I should have been more specific .

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