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#846 - Cummins Swap
Author: andy1canada (Show all albums)

Howdy Folks!

Going to give this another try as my first attempt didn't go so well on the 'Diner-conversion' thread (Will update/edit that soon).

Started my Cummins swap by pulling off the bumper; only took better part of an hour. That sucker is HEAVY! Better part of a 100 lbs I bet. Will be looking to knock substantial weight off that baby while still retaining a 5000 lb towing standard.

This will take a while as it will unfold as time and resources permit, so please be patient.

More pics and hopefully some videos (FMC-TV) to follow.

Cheers,
Terry
#846
Show Newest Photos First | Show Oldest Photos First237 Photos - Page : [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [20]


A small nut/bolt/lock wsher replaces the old brass rivet that failed. Unfortunately I didn't take any pics of the final fix with the two nut/bolts holding the two halves of the housing together. All I can say is don't over-torque the bolts/screws you use to do this as the housing is plastic. So far the gauge is working again. Will know more later.


Final welding of the exhaust which, as usual, required some grinding to clean it up. But I am slowly getting better at it. The 4" flange adapter that gets it onto the HX-35 came from Pacbrake. Then there's a 45'-deg and a 90'-deg aluminized steel elbow(s) that both needed to be cut down to accommodate the tight radius to make that sharp turn out the ass end. Finished with a short run of 4" aluminized pipe to the Magnaflow muffler.


A generous coating of VHT (2000-deg) exhaust/rust paint on all the welds and she's good to go in.


Decided to weld up my own exhaust tip. Cut @ 30-deg then held by my trusty magnets.


Three coats of VHT and she's GTG.


Grabbed 2-universal hangers and modified them to work. This rearmost one is hung from the drivers side rad support I designed. The one ahead of the muffler hangs from the battery tray.


Tip attached with 3 heavy sheet metal screws. Boom-done!


Port-side rad support tacked together in place now ready for final weld. 1 1/2" x 1 1/2" x 1/4" angle iron with a 1" x 1" x 1/8" t-bar cross brace back to chassis frame.


Final weld done and ready for paint. I designed this to bolt directly to the port-side engine mount plate. The 'triangle' formed with the support gusset and the horizontal t-brace to control horizontal movement make it rock solid. Again, 3 - pics previous shows it installed.


On to rad install. Note: here's the two side frames you'll need to source to use this Spectra aluminum rad, should you choose to do so. They are designed specifically for this specific model/size of rad (in both aluminum & plastic tank versions) used on a wide variety of Freightliners and other med/heavy duty OTR trucks. With this frame set up the rad install became much easier. It is designed to allow the aluminum radiator to expand/contract inside the two metal side frames, greatly extending durability and service life (I hope). The Spectra tech (Canada) advised that these frames can be hard-mounted directly to the frame of the vehicle as they provide ample shock and expansion accommodations. However, the frames did require minor modifications to work in this application.


Rad jacked into place then rear apron installed to confirm clearance and fit.


Plumb and square to the prop with standoff shimmed with 1" styrofoam pads.
Show Newest Photos First | Show Oldest Photos First237 Photos - Page : [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [20]

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