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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 |
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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. | ||
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