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post #1 of 3 (permalink) Old 03-11-2016, 02:22 AM Thread Starter
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Main bearing size understanding?

So my 302 block was line bored, and my crankshaft was turned 10/10. Both main journals and rod journals.

So when I go to order my main bearings do I order them

-.010 size
Or
+.010 size

Also noticed that I couldn't find -.010 in rod bearings. They always list as +.010

Sorry for being such a noob at this. This is my first full engine rebuild and I'm reading up on everything and asking what I can to get this thing built right.

I read everywhere about this undersized and oversized stuff and everyone seems to be confused about it. Of course I am going to use plastiguage and make sure it's right once it's in, but I just want to make sure my understanding is correct.

Thank You!


-76FordMav
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post #2 of 3 (permalink) Old 03-11-2016, 02:37 AM Thread Starter
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Re: Main bearing size understanding?

Sorry I ment to say line honed.. not bored.
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post #3 of 3 (permalink) Old 03-11-2016, 05:59 AM
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Re: Main bearing size understanding?

+.010 size

%201964%20Galaxie/?action=view&current=09-03-10_1408.jpg Lars...
64 galaxie 500 2dr fastback...390 4v, Bendtsen adapter, maddog's stage3 700R4 trans,4.11 rear..far from perfect but getting there...
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