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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.
Another view of the "control center". Note that it is easy to bleed the brake booster with everything in place.
Using a piece of scrap metal, I switched the transmission shifting from a pull through the gears to a push through the gears. I also moved the shifting arc forward so that the middle gears are at the top of the arc. Later, I will redo this adapter to increase the radius of the shifting arc about 1/4" to better align the gear selection with the indicator on the dash.
Given that the normal place to secure the outer sheath of the shifter cable was in such a position that it could not be used, I had to create a means of securing the cable. A small, long bolt was attached to the transmission support and then it and the cable were enclosed in separate pieces of 3/8" tubing and with some rubber shims the cable was pointed where it needed to be to not be in a bind and then secured.
Eric reading the wiring schematics in the shop manual and then finding and tagging the specific wires that we will be needing.
This is the stock air intake and filter housing from the donor pickup. It was swung up and then attached to the top of the engine bay.
As mentioned earlier, I will be using a water to air intercooler rather than an air to air unit. Being small physically, I was able to tuck it up into the top of the right, rear corner of the engine compartment.
This is looking across the back of the coach. The air will leave the turbo and then enter from the left and then exit at the top of the unit. The air will then go about half way across the coach and then drop down and into the engine.
Now the tube leading from the intercooler has been added.
The tube with the pressurized and cooled air goes across and down and into the engine. The reason for the "V" shape to the path is that in the donor vehicle the air comes from below and the section attached to the engine cannot be changed. The black section normally points down, but I was able to rotate it so that it points upward.
I made up two #6 cables that allow me to shut off power to all the chassis 12 systems if I so desire. The bottom switch in normal operation is closed and feeds power from the battery to the chassis functions. If it is open, then the coach chassis system is de-energized and there are no phantom draws on power such as computers, etc. The top switch has the lead for the house batteries attached to it. That switch is normally open. When it is closed it interconnects the house and chassis systems should it be needed.
Again, here you see Mark on the left and Larry on the right. This time it is the generator going back into the coach after having been converted to run on propane by Larry.
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