65 F-85 engine replacement
July 29th, 2012, 10:25 PM
#1
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Join Date: Jun 2012
Location: Cheney, Wa
Posts: 54
65 F-85 engine replacement
I am thinking about replacing my original 330 ci engine with a big block. Which engine is the closest to being able to drop right in without the mess of the motor mounts, bolt patterns, etc of a non-matching. From what I can tell a 400 should do the job if I can find one.
July 30th, 2012, 02:49 AM
#2
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Location: Ironton Ohio 45638
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July 30th, 2012, 07:12 AM
#3
Old(s) Fart
Join Date: Mar 2007
Location: Northern VA
Posts: 47,298
All of them bolt in. All BBO motors are externally identical, so 400, 425, 455 are all the same. Use the ORIGINAL motor mounts for the 330 (Anchor P/N 2261). DO NOT get "455" motor mounts. Use the 69-72 W/Z exhaust manifolds. Use the water pump, accessory brackets, and pulleys from the 330 as a matched set. All the accessory brackets will bolt to the BBO (there are two sets of mounting holes in the brackets if needed). Get a bigger radiator. Start saving for a TH400 when the Junkaway pukes. Start saving for new rear tires.
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