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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]


The flange is now securely mounted to the tank.

The fuel pickup assembly is now installed into the tank. The blue cap will be replaced by a permanent cap as this is the tank vent that will no longer be needed as the FMC tank has a very short fill spout. The orange cap will be where the fuel pickup line attaches and the red one is for the fuel return line. Fuel injection systems circulate fuel to the engine and back on a continuous basis.

This box contains the 110 volt transfer switch. The coach's source of 110V current can be from either a heavy cord plugged into an outlet or from the on board generator. The box was dismounted when the engine bay was relined and has now been remounted. The black cord is for landline power and the flexible conduit leads to the generator. The switch inside the box transfers the coach's system to whichever system is live. If both are live, this one selects the generator. They can be set up either way.

Just below and adjacent to the transfer switch is the auxillary generator. Because the engine fuel is changing from gas to diesel, this unit will no longer have a source of gasoline. It will be removed and be converted to run on propane as the coach has an onboard propane tank to fuel the central heat, water heater, etc. and that same tank can be used to fuel the generator in addition to the "house" needs.


The generator has been removed. This will make working on the engine installation easier as it has opened up this area.

Here is the generator on a pallet awaiting conversion to propane. I need to thank Bunthan, Larry and Mark for their assistance in extracting and moving the generator as it weighs 290 lbs. The parts needed have been ordered and should arrive in about 3 weeks.

Back inside you can see where the original gauge cluster was removed.

Another view of the future gauge cluster location.


Here is a closeup of the right edge of the hole left from the removal of the original gauge cluster. To make room for the Duramax cluster, the right and left edges of the opening will need to be expanded almost to the edge of the air vents.

Here you see the original gauge cluster on the bottom, then the Duramax cluster, and then the template that I made that will guide the triming of the new cluster and the widening of the hole in the dash where it will be installed.

Here the template is attached to the back of the new gauge cluster. You can see what is going need to be removed for the cluster to go into the expanded dash opening.

(2 Comments)
I like this picture. On the bottom is the back side of the 1976 gauge cluster. On the top is the back side of the 2006 gauge cluster. What a difference 30 years makes! In place of all those wires and connections, there is one multipronged plug at the top of the back of the Duramax gauge cluster. Sweet!
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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