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#1
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I just run across a 455 that is code WX.
It came out of a 76 Trans Am.Is it a 4 bolt main???Thanks
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#2
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I just run across a 455 that is code WX.
It came out of a 76 Trans Am.Is it a 4 bolt main???Thanks
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#3
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If it has a 76 casting date. No it is not.
Most 4-bolt 455's were built between 1970 to 1974 end with the 455SD's
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#4
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The block has a 75 cast by the distributor
hole.I have got to clean it and get the casting dates a look see.Thanks
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#5
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Bad news:
Not only doesn't it have 4-bolt caps, but the '75-'76 455 blocks weren't even factory drilled for 4-bolts. Sorta good news: If it's for the street, you can get by with 2-bolt studs ok. [This message has been edited by Judge Smails (edited 06-06-2000).] |
#6
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Sorta good news 2:
If it´s for racing, you can have it drilled for splayed 4-bolt main caps.
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#7
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Now here's the bad news, those blocks ten to have very thin walls, so if it needs to go .060 over have it sonic test first. Actually being that it's a 455 block I would have it sonic test anyway, I have a friend who didn't, and he just went .030, the block crack on his thrid pass with only 1200 mile on his new motor.
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