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The Dieselfication of Coach 1046
Author: BigRabbitMan (Show all albums)

This album is dedicated to following the process of Coach #1046 being converted from a 1976 Chrysler 440-I with a 4spd Allison AT540 transmission to a 2006 GMC Duramax LBZ turbo diesel with a 6spd Allison 1000 double overdrive transmission. There is a companion discussion thread in the Mechanic's Corner section of the Forum area of this site.
Show Newest Photos First | Show Oldest Photos First379 Photos - Page : [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [20] [21] [22] [23] [24] [25] [26] [27] [28] [29] [30] [31] [32]


Note that the top half of the legs slide into the bottom half.

Larry is holding the chain that will be used to slightly lift the front of the engine with the cherry picker/engine hoist when we need to move it. Here I want you to focus on the stand that is holding the front of the engine. It has a top and bottom half circle that clamps onto the crankshaft pulley. Then there are two legs that support it that are attached to a wide base for stability. The foot pads on either end help prevent forward/aft motion. The transmission is on a transmission jack.

Here Larry is attaching one of the motor mount brackets. For this engine, the motor mount attaches to the engine, a bracket attaches to the mount, and then the bracket attaches to another bracket that is welded to the frame. That is how GM did it and I will follow that same methology.

Just in case I didn't post it earlier, here is the data plate for the transmission.


Here is the installed bracket. There will have to be a cross member created to go under the rear of the transmission which will support this bracket.

Here Larry is putting the transmission mounting bracket onto the rear of the Allison transmission. Note that it has the driveline brake that was transfered from my previous Allison AT540 transmission.

We have moved back outside. The engine and tranny have been rolled back out. Cleaned up the area under the coach. Larry E. is cogitating about something!

This is what the floor will look like - no hole. The replacement throttle was test fitted using a wooden block and now I will have a bracket made that will attach to the firewall and position the new pedal properly.


That was followed by the removal of the bracket and the pedal rod. With these three components removed, I can now have a small plate made to seal up the floor.

Well, the soaking worked! It took both Larry and I, but we were able to get the bolts loose and the pedal is now removed.

Same two bolts looking from the bottom side. They have been sprayed with Kroil penetrating oil. May have to pause to let it do its loosening magic (hope it is magic!).

Looking at the phillips head bolts that were installed 38 years ago and now need to be removed! I hope to save the pedal as someone else may need it. I also plan on using those two bolt locations to help hold the bracket for the new pedal.
Show Newest Photos First | Show Oldest Photos First379 Photos - Page : [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [20] [21] [22] [23] [24] [25] [26] [27] [28] [29] [30] [31] [32]

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