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#1
11-17-2022, 08:17 PM
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1964 389 into 1962 Bonneville.
I have been having trouble understanding what I need and finding parts to put a 1964 389 into a 1962 Bonneville with 315 Hydro trans. I was told I needed to change the flex plate and the starter ring gear from the 1962 to the 1964 ones. I understand that the crankshaft flange is different between the 2 that's why I need the 1964 flex plate. I think I now have the correct one. Looking up the ring gear is where the confusion begins. If I under stand correctly the ring gear is part of the fluid coupling/converter. I have the parts number book but not the illustration book. I'm not sure what I'm looking up. Now according to Hollander Interchange book all 1961-1964 type 315 w/o converter interchange. Also 1958-1960 front unit couplings, cover assemblies and 1961-1964 type 315 interchange. I don't know if I need some part of trans and if so what it is called. Can someone please clarify?
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#2
11-17-2022, 08:25 PM
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The pilot on the flywheel is different. It has nothing to do with ring gear teeth.
You do have my phone number!
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#3
11-17-2022, 08:47 PM
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I believe it will work with the 62 flywheel on the 64 crank as 64 big cars still used the bellhousing starter,although being able to use a block mounted starter.The proper flywheel and starter has to be used with the trans used.Tom
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#4
11-18-2022, 01:16 AM
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Maybe I'm getting the terminology mixed up. As I understand it the flywheel is the piece that looks like a turbo 400/350 flex plate but with no starter teeth on it. It is flared where it is bolted to the CRANKSHAFT with the 6 bolts. Attaches to the Fluid Coupling/converter with 6 smaller bolts at it's very outer edge. That I have. Hopefully it is the correct one. What I don't have is the piece with the starter teeth that attaches to that. I don't have a clear picture of what it is that I need. Hollander's manual seems to call it Converter, ft unit coupling, cover assembly and says ALL 1958-1960 and ALL 1961-1964 type 315 are INTERCHANGEABLE. Am I looking up the WRONG thing?
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#5
11-18-2022, 11:23 AM
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From 1966 Pontiac Chassis Parts Catalog:
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My Pontiac is a '57 GMC with its original 347" Pontiac V8 and dual-range Hydra-Matic. |
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#6
11-18-2022, 01:12 PM
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Thanks but I believe that those numbers are just the ring with the teeth that has to be pressed onto the flywheel.
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#7
11-18-2022, 08:24 PM
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Bob, you need a 64 Flex plate and a 1964 Torus cover
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#8
11-18-2022, 09:09 PM
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I have the flex plate. Will anyone sell a torus cover or do I have to buy a whole transmission?
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#9
11-18-2022, 09:11 PM
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Also does it use a gasket or an o-ring? Where would I get one of those?
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#10
11-19-2022, 10:53 AM
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Have you tried steve@pontiacheaven.org or 480-899-7873
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My Pontiac is a '57 GMC with its original 347" Pontiac V8 and dual-range Hydra-Matic. |
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#11
11-19-2022, 09:08 PM
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Quote:
www.autotran.us has the torus O ring.
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