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Finally, I can contribute and stop feeling like such a tool. I just did this addition a week ago, so I'll gladly answer your question as best as possible. I purchased a block heater for my 1991 M925A2 (Cummins 6CTA8.3 engine). The heater type I acquired is a freeze plug type, 1000W, 120V...

I'm not sure which one you are referring to about "the inline one". On my 1991 M925A2 (Cummins 6CTA8.3 engine), there is a large frame mounted filter/separator located just behind the front driver side tire. This unit is no smaller than a 10+ cup coffee pot. It is mounted on the outside of...

Thank you. That was useful. I will check those points.

That is likely the path I am going to go down just to save time. Run a new ground from battery to a clean frame, body, and fuel sender points. Thanks.

Thanks I didn't know about the bleed screw, thanks. I need to do more reading. I was depressing the hand plunger on the side of the engine block, but it felt like no resistance at all beside the return spring within it, and with nowhere for the outlet of that pump to relieve at (bleed screw...

Sorry, that was no help. Maybe my question was too long. Where or how is the truck body and frame grounded? That is the question. The engine and body are on rubber vibration isolators, so they each should have their own ground cable connection points. I'm wondering where those are. Thanks.

Ummmm.......watched all the coolant run out of my now leaking radiator side tank gasket/seal. -1991 M925A2.

So how does one refill the large cartridge fuel filter container after changing its filter, reassembling it dry, and therefore losing the prime charge on the mechanical lift pump? After nearly killing my batteries, and going through a full can of starting fluid, I realized just cranking and...

Fuel gauge is way off. Disassembled sender, found copper float chamber full of fuel. Replaced with new sender. New sender now ohm's out OK, but gauge still reading off scale. 24-28V power into gauge checks OK, but ground circuit resistance on wire to sender shows 30 ohms. After checking...

Am I the only one doing this? Doubt it. As an update, I have discovered that beyond the original radiator manufacturer, the rest of the market basically does not use a pre-cut gasket to seal the bolt-attached tanks to the core. Instead, only one company makes an adhesive "gasket tape" which...

I believe there are several various adjustments on our Bosch MW pumps for controlling fuel, but I'm curious as to if anybody has done any parts-changing for performance improvement on the Cummins 8.3L? Examples being governor springs, P style pump (any advantages, and front cover change to do...

I'll throw this in Parts Wanted also, but does anybody have a source for the radiator core-tank gasket/seal? Thanks in advance.

Mine Picking up a couch at Ikea: Flags are not on truck, they are at store entrance, just coincidental pic.

I'm such a tool, I just bought her as an "I'm alive" present to myself after having open heart surgery @ age 41...

Took advantage of our cold spell this evening to check cold start-ability of my newly acquired 1991 M925A2. Installed new $48 NAPA (Katz) ether cylinder 2 days ago into factory injector system. Outdoor temp not including wind-chill was -11F at time of test, truck was located outdoors and...

Hope everybody had a good Thanksgiving. Any known power combos to work well for the 8.3? Meaning bolt-on's beyond turning up the pump. Examples of turbo's, pumps, injectors, valve springs, timing advance, etc.... Appears Banks offers something called a stinger system for RV's with this...

No confusion, it all coincides. The purpose of ABS is twofold: 1. Prevent front wheel lock so steering is maintained during panic braking. 2. Keep the vehicle's rear from passing the front. The engine stalls because of the rate at which the engine is decelerated by the transmission. If done...

Hi all. New here, but wanted to answer a repetitive question I see amongst these pages. I am an automotive engineer, responsible for engine calibrations. These engines stall upon driveline lock due to the lack of engine's ability to compensate at a super fast rate. Basically, when the...

Thanks.

Hi all, new here. I'm purchasing an M925A2 this weekend (is $8500 a decent price if clean for a 1993?). Looking to soon thereafter convert the cargo bed to dump action. Want to keep the cargo bed and not buy a full dump truck. What are the current options for purchasing/fabricating a dump...