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By 55 GLASS TOP - 5 Years Ago
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Just a quick question ,when I removed the pan from my 292 engine I noticed all the bolts holding down the bearing caps had lock washers except the last cap near the rear of the engine.
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By Florida_Phil - 5 Years Ago
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Strange. I have disassembled dozens of Yblocks over the years. I have never seen lock washers on the main caps. I have seen tin lock washers on the rod bolts. You learn something new every day.
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By 55 GLASS TOP - 5 Years Ago
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I had the tin washers on the rod bolts four out of the five caps had splint ring lock washers the last had no washer. I did a search on the web and someone was selling bearing caps on eBay and it was the same set up as my engine.
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By oldcarmark - 5 Years Ago
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The Parts Catalog is ambiguous regarding Main Cap Bolts and Lock Washers. Phil might be correct in saying He has never run across Lock Washers on main Caps.. Lists Cap Bolts AND Lock Washers but then says Washers not used with Bolts. Ted will know the Correct Answer.
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By 55 GLASS TOP - 5 Years Ago
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If you go to eBay and run ford 292 main bearing caps you will see the lock washers also 8 of the bolts have the same marking on the head but the bolts without the washers have a different head altogether. The guy says it’s a Dearborn block I do not know if it means anything.
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By oldcarmark - 5 Years Ago
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Maybe the Bolts listed in Catalog are replacement Parts for the Ones originally using Washers which do not use the Washers. Ted will know when He reads this Post.
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By Hoosier Hurricane - 5 Years Ago
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I think the rear cap bolts have no washers because washers would make the bolt heads too tall to clear the aluminium rear seal retainer.
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By KULTULZ - 5 Years Ago
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By oldcarmark - 5 Years Ago
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That Parts Book lists 2 different Bolts, One requires Washers in 8 Positions and another which is Self-Locking not requiring Washers. Differet Lengths also. 2 7/8 requires Washers. 2 3/4 Self-Locking.
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By KULTULZ - 5 Years Ago
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Check your CAN ISSUE under BPN 6345 and see what it says for up north.
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By 2721955meteor - 5 Years Ago
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HAVE dismantled and assembled many ys several 312s probably 20 292s over the years,all wher the same with regard to main bearing bolts,the rear cap had different bolts,thiner cap and no lockwashers. there was a report on this site to deepen the rear main threads and use a longer bolt to stop cracks to the block. i never did this update as the few 312s i did had no cracks and where basic stock engines
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By darrell - 5 Years Ago
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all the early blocks to 58 had lock washers on the first 4 as john said none could use a washer on 5 or it wouldnt clear the seal holder.all later blocks had longer bolts and no washers.
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By blocky - 5 Years Ago
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had the exact same thing on my block.when i sent it away for line honing it came back with spring washers on all caps.other engines i have disassembled have been missing the washers as described in previous question, and yes 2 bolts are not the same as the rest.i can only guess it was a change they made over the years???
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