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Old 03-29-2008, 08:55 PM   #1
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1984 28' Funeral Coach
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Drivetrain Swap

Luck has been with me in the past. As most of you know I lucked into my 84 Funeral Coach on eBay a few years ago.

Now 50,000 miles later it's time to pay the piper. As the rear main seal has been passing oil for some time... and the transmission is leaving a puddle in the driveway....and the price of fuel is getting a bit out of control...

I've found a 1986 Suburban as a donor for a drivetrain swap. This truck is just what the doctor ordered. 454/400/GEARVENDOR!! And the motor/tranny have a 10,000 mile rebuild.

I'll likely have the truck in SC in the next month or so and then have to find someone brave enough to tackle the job, as I'm not that brave or talented.

I'll likely do a rebuild on the old drivetrain and then sell the 'burb to cover some of the overhead.

Anybody with some ideas on who to take this job to should chime in here please.

I figure dropping the front end and working from below will be a lot easier than going through the front but I'll leave this detail to the pros....

Wish me luck gang.
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Old 03-29-2008, 10:30 PM   #2
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Good Luck!
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Old 03-30-2008, 09:09 AM   #3
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Quote:
Originally Posted by GlenCoombe
Luck has been with me in the past. As most of you know I lucked into my 84 Funeral Coach on eBay a few years ago.

Now 50,000 miles later it's time to pay the piper. As the rear main seal has been passing oil for some time... and the transmission is leaving a puddle in the driveway....and the price of fuel is getting a bit out of control...

I've found a 1986 Suburban as a donor for a drivetrain swap. This truck is just what the doctor ordered. 454/400/GEARVENDOR!! And the motor/tranny have a 10,000 mile rebuild.

I'll likely have the truck in SC in the next month or so and then have to find someone brave enough to tackle the job, as I'm not that brave or talented.

I'll likely do a rebuild on the old drivetrain and then sell the 'burb to cover some of the overhead.

Anybody with some ideas on who to take this job to should chime in here please.

I figure dropping the front end and working from below will be a lot easier than going through the front but I'll leave this detail to the pros....

Wish me luck gang.
Howdy, Glen. I guess this means no attendance at Springstream?

When I read your post I was reminded of the Cummins install/454 de-install done by GWBaker. His thread is at http://www.airforums.com/forums/f311...cle-38432.html.

Lots of disucussion and thoughts from lots of people. Good stuff, although only somewhat applicable.

Good luck, and have fun!

Phil
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Old 03-30-2008, 09:37 AM   #4
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Glen,

You might reconsider dropping the front end to remove the engine. I just finished pulling the engine from our 74 Argosy out the front. Other than removing the radiator and the front grille there wasn't much else that had to be done. True the engine was a 350 but the 350 and the 454 are not much different in height. With the 350 there was lots of clearance. More than enough for a 454 which is what was in the Argosy when it was new. Our Arosgy had a rebuilt 350 in it only because some previous owner had pulled the 454 (from the front) to put in it a race car

I will be reinstalling a fresh 454 in the Argosy and it will be going in the front.

I bought one of those intake manifold lifting plates that bolts to the intake manifold in place of the carb. At first I was concerned about the strengh of the aluminum intake manifold. I was concerned that the mounting studs threads would strip. I did some research and found a sight that did some testing of these lifting plates and found that even when lifting an engine with an aluminum intake the plate welds broke before the holes stripped. The testing pressure was 10,000 lbs which is 10 times what a 454 weights.

I found pulling out the front was actually a lot easier than I envisioned. A standard engine hoist is what I used. I set it up so the plate was bolted to the chain right under the lifting are to provide as much clearance as possible.

Bottom line is since you still have to remove all of the stuff from the front like the radiator, etc I'd give serious consideration to pulling from the front instead of dropping from below.

Good luck!

Brad
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