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|#846 - Cummins Swap|
|Author: andy1canada (Show all albums)|
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.
Here you can see better how close the hot-side intercooler pipe comes to the exhaust pipe. The cast elbow off the turbo was designed to run forward to the rad area on the Ram Cummins trucks, whereas in this application it needed to be turned about 180/deg the opposite direction, where things got crowded. But it should work.
Here you can better see how close the bottom of the 4" pipe is to the bottom of the hoop. There's a 3/4" space under it, that's all. Still needs the hangers put in place to keep it put.
Had to make the turn off the exhaust brake with 45/deg and 90/deg aluminized steel elbows, which had to be cut down to work; however, they barely made the turn and only after I ran the 4" pipe completely through the hoop and then put the 7" Magnaflow on immediately after it. I wanted the muffler inside the hoop but no go, for now.
Got the exhaust roughed out and tacked together today. Would have finished it but ran out of gas for the mig.
Finally I took a 9/16" drill and hollowed out the interior of the large brass fitting so that the probe would be adequately exposed to coolant around it.
Then, low and behold, found I already had a 1/8"-27 NPT tap on hand. So drilled and tapped the sucker for the new VDO temp sensor (VDO 323057 Temperature Sender).
Solution (I hope) so Cummins 6BT water temp sensor works with FMC VDO OEM temp-gauge. Cut off the sensor probe on the Cummins 3/4" NPT coolant temp probe. This little spring jobby was inside it.
Heater grid rubber-bulb type momentary switch. A PO had installed a rocker switch here that I didn't use so managed to do it without adding another hole to something.
Intake air-heater grid solenoids in. There are 2 of them and they draw 100-amps or so each for those freezing morning starts.
Cold-side in with suspenders.
Hot-side plumbing in with room for the batteries underneath.
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