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Old 11-15-2013, 11:45 AM
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Well, I figured it out. They will work. Less than a perfect fit. Going to have to get the engine work done , put the lower end together with heads on, and the tranny, then put mounts on engine and install to frame.

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Old 11-15-2013, 01:48 PM
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55 came factory with v8 motors with bell housing mounts in the same place as the 6 cly motors
if you have access to the bell housing bolt it to the motor set in place on the bell housing mounts and fab up the side mounts
then pull the bell housing, bolt on the trans and fab the trans x-member with more tubing; square or round
imo (in my opinion, word is opinion) these cars are already front end loaded and moving the motor forward is dynamically backwards.

motor mounts are one of the easiest thing to fabricate; flat plate and tubing is all that is required

i used 1.5'' square tubing, a piece of tube and 68 truck mounts (had to give napa a year to look for)

this pair is just that, i've used this design more than once

these use 2'' square tubing similar to mine
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Old 11-16-2013, 12:03 PM
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No way i could do that. You may have the knowledge and equipment, I don't. It will all work out.
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Old 11-16-2013, 03:30 PM
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I went with 1/4" flat plates and a heavy wall tube between them. All mounted to 2"x2" angle so it sits atop the frame rails to locate the 464 BBC in my '63 Falcon. I sat the engine into the chassis and then cut up construction paper to make my mockup mounts. Then traced them on steel and cut them out. Once I had them welded up, I bolted them to the motor mounts and tacked them in place. Pulled the engine back out, and did the final welding, grinding, and painting before dropping the engine back into the chassis.
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Old 11-16-2013, 06:05 PM
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Originally Posted by Tim Jones View Post
Oil Pan change out? Lots of question before I do this. Just wonder about some of the thing I may encounter.
I had a '57 Chevy powered by a 425 hp 409 with a Muncie M21 4-speed and a 12-bolt rear out of a '68 GTO.

The chassis is pretty open in front, so the oil pan shouldn't be a problem as long as it clears the steering link

The stock drive shaft was too short, as was the one from the GTO, so I used one out of a 70's El Camino. You might try measuring one out of a '70's Monte Carlo or a 4-door Chevelle
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Old 12-05-2013, 08:27 AM
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Make sure your distributor cap clears the firewall. Thats a large cap HEI motor from the factory. You also want to have something mocked up for the radiator mount; you want to have adequate placement of the radiator, fan and waterpump.
I'll also mention you want a shock mount bar in the rear, instead of the trunk floor pan.
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