Jason, thanks for your info. I tried my flex plate on my old 68 440 (steel crank) and it clocks perfectly, tried the same plate on the Marine crank and it will not clock anywhere (got 2 holes to line up). A bit of further investigation shows there is a flexplate avilable with 2 bolt patterns from B& M (model 10237) but before we continue down that road thought I would see if anyone else has come across this.
Va. Beach, Va.
Are you sure you "clocked" or correctly oriented the flex plate ? They did not change anything from forged to cays or at least I have never seen any difference and I have gone from forged to cast in my 440 block when I chewed up my forged crank I put in a cast crank and everything bolted rite up. Of course I changed the harmonic and had to rebalance the converter. Actually hauled everything in and had it rebalanced as I had polished and balanced the reciprocating assembly and the configuration lasted till.... Far as I know it's still running guy I sold the car to has not called me. That was probably 10+ years ago
Jason
Sent from my iPhone
I am doing a 440 build with my son, it is a 1978 Marine engine and is externally balanced. When we tried to install a flex plate, we found out that the 6 bolt pattern is different than a internally balanced steel crank. I realize that I have to use externally balanced flex plate for this application but I would have thought that Ma Mopar would not have used a different bolt pattern between cast/steel crankshafts. If both patterns are the same then my marine 440 has a unique pattern. Can any list member confirm my conclusions? Thanks in advance.
Nico Over
Va. Beach, Va.
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Please address private email -- email of interest to only one person -- directly to that person. That is, email your parts/car transactions and negotiations, as well as other personal messages, only to the intended recipient. Do not just press "reply" and send your email to everyone using the general '62-'65 Clubhouse public email address. This practice will protect your privacy, reduce the total volume of mail and fine-tune the content signal to Mopar topic. Thanks!
1962 to 1965 Mopar Clubhouse Discussion Guidelines:
http://www.1962to1965mopar.ornocar.org/mletiq.html and
http://www.1962to1965mopar.ornocar.com/general_disclaimer.html.
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