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| 1973 to 1985 Carburated Vehicles Emissions laden vehicles, but still simple enough to work on and we still love 'em! |
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#1
Mon, December 21st, 2020, 12:01 PM
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So the question is, did you cab-off the install? This is what I'm getting ready to do with my '64 since I'm going to need to completely fab up new crossmembers for the front and rear.
The older Med Duty trucks reversed the mounting triangle with 2 mounts on the trans and a single one on the engine. This does have some advantages, like when having to pull the transmission out, since the transmission is basically free-hanging off the bellhousing. Putting in the new FE block mated to a T56 Magnum is going to really mess all that up, so I'll need to build new front mount pedestals along with a normal trans crossmember. Nice thing is I can build it all as a tubular setup with plates and then bolt it to the frame.  The only other thing I'll need to address is the need for a PTO for the dump bed. I was thinking of an electric motor to run the "pump" for the lift, but I may just go with a hydraulic master/slave setup. Because the lift has the pump built into it, I may have to get creative. Anyway, just curious how that went.
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#2
Mon, December 21st, 2020, 12:47 PM
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Just pulled the front fenders and core support. I did it that way because I knew that I wanted to put the engine and transmission in as one unit and that I would have to do engine mount work. The original NP435 transmission mount and crossmember were used and only two holes had to be drilled.
Is your intended transmission bellhousing made of steel? Most of the car shows I have seen where a fancy 5/6 speed transmission is installed use a stamped steel bellhousing and I don't know why a guy couldn't weld mounts to it that would coincide with the frame mounts. As far as the PTO is concerned, you might have issues with a 12V system. As you're aware, it's not really possible to get a high horsepower motor with a 12V system due to the immense current draw. Installing a few bale beds with electric/hydraulic setups along with a few snow plows having cylinders with a maximum of 2" diameter has proven that those motors just about max-out most 2-4/0 cables and charging systems. Add in that the volume required to move a (I'm guessing) 4" or larger hydraulic cylinder with a tiny pump will take eons to lift.
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