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11-07-2017, 07:43 PM | #1 |
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Location: Dublin, Virginia
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Main engine insert
I have an engine that was inserted about 10 years ago and never run until now and the rear main galled. nothing hurt but insert now I can't find a replacement. I have tried Clevite and Summit and nothing with this number.
S8745SA .020 has anyone heard of this main insert.
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Jimmy Palmer |
11-07-2017, 09:15 PM | #2 |
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Location: So Cal
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Re: Main engine insert
Here is a list of some bearings that were used for the mains.
Model A Main Bearings Fed Mogul PN .Undersizes Width Std. Shaft size Housing Bore International Harvester 1456SB 2-10-20-30 1.063 1.6230/1.6240 1 7760/1.7770 British Leyland (rod brgs) 4-2965CP 10-20-30-40 .880 1.6254/1.6259 1.7705/1.7710 Onan (rod brg) 3180SB 10-20-30 1.000 1.6252/1.6260 1.7505/1.7510 Standard Motors (rod brg) 4-65290RA 10-20-30 .692 1.6250/1.6255 1.7705/1.7710 |
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11-07-2017, 09:24 PM | #3 |
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Location: Sacramento
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Re: Main engine insert
That was made by AE bearings,a federal mogul company..Ive done enough brother,you can take it from here.BTW,why did it gall?
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11-08-2017, 09:27 AM | #4 |
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Location: Illinois
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Re: Main engine insert
You might call Rich at AER. He is expert with inserted engines and very helpful.
http://antiqueenginerebuilding.com/ John |
11-08-2017, 11:02 AM | #5 |
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Location: Camino, CA.
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Re: Main engine insert
Last time I went through my B engine I had to call the guy who built it to ask where he got the inserts. They turned out to be from a Toyota.
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11-08-2017, 11:14 AM | #6 |
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Re: Main engine insert
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Last edited by Benson; 11-25-2017 at 12:22 AM. |
11-08-2017, 11:24 AM | #7 |
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Re: Main engine insert
Last edited by d.j. moordigian; 11-09-2017 at 06:03 PM. |
11-09-2017, 09:05 PM | #8 |
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Re: Main engine insert
I couldn't find anyone who handled this bearing it was listed but not available. I called antiqueengineering rebuilders and they have the full length mains that should replace these as the housing bore is the same. The cause was oil not getting across the insert. The oil feed hole was almost covered up by the insert but if a oil grove had been put in it I was told by another rebuilder that it would have got enough ol but there was no path across the insert.
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Jimmy Palmer |
11-09-2017, 10:52 PM | #9 | |
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Re: Main engine insert
Quote:
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11-09-2017, 11:25 PM | #10 |
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Location: Southern Maine
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Re: Main engine insert
If the AER inserts fit that is great news. My engine has been real happy with them.
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11-10-2017, 11:06 AM | #11 |
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Location: Fresno, Ca.
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Re: Main engine insert
It's NOT that hard! They fit MGA and MGB ,...I gave you , I thought , enough information.
This is what I found off ebay... https://www.ebay.com/itm/MGA-1600-MG...hX3aAS&vxp=mtr |
11-24-2017, 07:17 PM | #12 |
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Location: Dublin, Virginia
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Re: Main engine insert
I miked the bore of the crank caps to block and called Antique Engine Rebuilders. They had the inserts with the .020 that fit perfectly. These are one piece with correct oil holes beveled edges and oil grove all the way around. By the way they shipped fast and reasonable and cheaper than any catalog as they make these that are sold in all of your catalogs. I now have new inserted rods coming that they manufacture.
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Jimmy Palmer |
11-25-2017, 12:58 PM | #13 |
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Re: Main engine insert
Jimmy I have an A with AER parts and have been happy with itfor 25,000miles.
You should be set. John |
12-07-2017, 04:37 PM | #14 |
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Location: Dublin, Virginia
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Re: Main engine insert
All done the AER inserts and new rods fit perfectly ready for motor install
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Jimmy Palmer |
12-07-2017, 05:12 PM | #15 |
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Re: Main engine insert
What was your finished clearance between your crankshaft and the inserts at each journal? I assume you checked it when assembling with Plastigage or a bore gauge?
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12-10-2017, 09:45 PM | #16 |
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Re: Main engine insert
.0015
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Jimmy Palmer |
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