351w
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Joined: Nov 2003
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351w
Are all 351 blocks the same? I got a 82 351 out of a 3/4 ton truck it only has 10,000 miles on it and I want to put it in my 89 bronco. Will all the brackets and timing chain cover fit off of my engine on to the older block?
FTE Chapter Leader
Joined: Sep 2000
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From: Beachville, Ontario
Not all 351 blocks are the same, some of the earlier ones had a different deck height and were a little stronger. With regards to your swap, the brackets and timing chain cover will fit right up ok. One difference to look out for, the 82 block most likely won't have the hole in the side of the block for the 89 dipstick tube, the 82 dipstick probably enters the side of the oilpan. But you'll be ok if the 82 oilpan is a rear sump like your Bronco.
FTE Chapter Leader
Joined: Sep 2000
Posts: 3,862
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From: Beachville, Ontario
Intake etc should fit ok. One warning about performance, I think the 82 will have a lower compression ratio than the 89, might not be as peppy as it could be. Depends how worn out the engine in your 89 is and what you're used to.
FTE Chapter Leader
Joined: Sep 2000
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From: Beachville, Ontario
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Senior User
Joined: Sep 2002
Posts: 434
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From: Oregon: Land of the Majes
Go ahead and swap it. Only the 1969-1971 351 had the shorter (9.480) deck height...1972-1997 had the 9.503 height.
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