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Old 04-08-2004, 10:26 PM
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56 chevy 6 to 8 but what 8

the question i have is swaping out the stright six for the eight in my 56 bel-air manual trans. I know i have to get new motor mounts and the v8 belhousing, but i don't think all 350 blocks will work. It looks like the mounts are to far forword to attach to the block mounts. what years had the engine mount mount holes up front for a 350.


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Old 04-08-2004, 11:17 PM
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all chevy 350's are the same.
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Old 04-09-2004, 06:51 PM
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The mounts on 55-57 Chevys bolt to the front of the block, on each side of the timing cover. V8 mounts are different than the 6 mounts.

There are 2 bolts each side. Some blocks have only 1 hole for a bolt on the fuel pump side, but it can be drilled and tapped.
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Old 04-10-2004, 06:55 AM
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when you go to the V8 swap, and if you intend to use a stock mechanical fuel pump, make sure the bolt used in the upper mount hole isn`t too long, if it is it`ll strike the fuel pump push rod.
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Old 04-10-2004, 02:15 PM
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so what you are saying is the new mounts will bolt to the front of the 350 and where the fuel pump would mount not one the side of the block like most cars mount the 350 Jim
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Old 04-10-2004, 09:07 PM
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Right, no side mounts on a '56. There is usually a pair of drilled & tapped bosses, arranged vertically, on either side of the timing cover. Kinda like this ( :O: ). Some later-model blocks have the bosses, but are not drilled. I've heard of some that had no bosses, but I've never seen one. '55-'57 were the only cars that mounted the engine like that.
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Old 04-11-2004, 07:40 PM
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thanks for the info sounds like the swap will not be to much of a problem



Jim
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