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12-23-2016, 11:44 AM | #1 |
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Join Date: May 2010
Location: Regina Canada
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flywheel and oil pan question
I have a fresh 39-41 Merc block with the factory relief. Stock cam, but bored to 3-5/16 and a Merc 4" crank. Question is what flywheel can be used and can I use the 2 piece 59A style pan? Can I use the 8ba flywheel or will it need to be the one that is the same style but a little thicker. No idea what the motor will be going into. I want the motor as complete as possible before selling. Thanks and Merry Christmas to all. Bill
Last edited by 4tford; 08-05-2020 at 08:00 AM. |
12-23-2016, 11:54 AM | #2 |
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Location: San Antonio, Texas
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Re: flywheel and oil pan question
The early motors require the early flywheel due to starter placement in the pan/bell. 8BA family is different starter placement but the crankshaft bolt up will work for either flywheel in either block. You can use any 59 series pan on the 99A or later pre-war 239 blocks since they are basicaly the same. A relieved block was probably in a truck. I don't think they relieved the Merc blocks but who knows!
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12-23-2016, 12:13 PM | #3 |
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Re: flywheel and oil pan question
The 39 to 41 Mercury block was factory relieved. If I read you correctly if I use the 59A style two piece pan I should use the 59A flywheel?
Last edited by 4tford; 08-05-2020 at 08:00 AM. |
12-23-2016, 01:22 PM | #4 |
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Re: flywheel and oil pan question
Correct.
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12-23-2016, 01:26 PM | #5 |
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Re: flywheel and oil pan question
I was pretty sure that was the way but getting old an need to be sure. The only correct flywheel I have is for 11 inch so I will get it redrilled for a 10. Many thanks and Merry Christmas to all.
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12-23-2016, 03:44 PM | #6 | |
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Re: flywheel and oil pan question
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12-23-2016, 04:01 PM | #7 |
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Re: flywheel and oil pan question
The motor is already built. Just needed confirmation on the flywheel and pan. Thanks
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