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04-25-2017, 01:32 PM
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#1 |
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Senior Member
Join Date: May 2010
Location: va
Posts: 138
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machining 1934 motor block for main's
i need to know what the engineering diameter and tolerance is for the main's on a 1934 block.is there someone here that i can talk too about this?
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04-25-2017, 01:41 PM
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#2 |
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Senior Member
Join Date: May 2015
Posts: 8,081
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Re: machining 1934 motor block for main's
Pouring Babbitt?
__________________
The only thing nice about being imperfect is the joy it brings to others.... "Silver rings, your butt! Them's washers!" "We shot our way out of that town for a dollar's worth of steel holes!" - from 'The Wild Bunch' - 1969 https://www.youtube.com/watch?v=7NReUd2_0u0 |
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04-25-2017, 01:54 PM
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#3 |
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Senior Member
Join Date: May 2010
Location: Oregon
Posts: 5,960
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Re: machining 1934 motor block for main's
If you are doing the job yourself mike the journals and allow for about .002 oil clearance.
If a shop is doing the job they should have all that is needed to do it. The main bearings are poured babbitt. |
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04-25-2017, 03:49 PM
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#4 |
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Senior Member
Join Date: May 2010
Location: on the Littlefield
Posts: 6,156
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Re: machining 1934 motor block for main's
Here are nos factory bearing caps-- ready to bore for crankshaft size
It is hard to fit inserts properly because of the wide deep oil grooves not having good support |
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04-25-2017, 04:40 PM
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#5 |
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Senior Member
Join Date: May 2010
Location: Qld, Australia
Posts: 4,212
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Re: machining 1934 motor block for main's
Sponsored Links (Register now to hide all advertisements)
Lawrie |
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