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I've got a m923A2 that will almost not shift out of 3rd gear. The manuals state the trans should shift at 300 rpm below max governed speed, but mine shifts right at the governed speed, all other shifts seem to be timed fine. I have searched and read several threads on adjusting the shifts via...

I just put a used injector pump on my deuce and as soon as I got the air bled, it cranked and went to full throttle, and I shut it down with the engine stop cable. but as soon as you crank the engine it goes to wide open throttle. I believe the governor is stuck at wide open, how can I fix this?

My engine is missing/sputtering at about 1100 to 1400 rpm while under no load and at 2400 to 2600rpm while driving in overdrive, I have had my injectors rebuilt ,but my intank pump isn't working, I figure the high rpm stuttering is from starving for fuel, but why is it stuttering at only 1100 to...

Are the keys for the ignition switch in the M880s all the same, I just bought one and I need a key because my truck didn't come with one from the gsa auction.

I just picked up a 1976 m880 and a 78 w-200 snow commander, the m880 has a different grille than other m880s I see, instead of having the parking lights up in the grille beside the headlights my truck has them down under neath the grille, where as the 78 w200 has the right beside the headlights...

I have been looking for a decent 5 Ton for a while with a Mack engine and I found a M54A1 with 31,000 miles and 923 hours that runs and drives and looks straight for $4500 is this a decent price?

My M35 has just started over heating. Its done it twice in the last two days,but it has been around 100 degrees here.I checked the thermostat, I put new headgaskets in about 3 monthes ago, and have retorqued the heads 3 times, The truck will overheat in less than 10 miles of high rpm driving...

Does anyone know of a company that makes replacement weld in body panels for the Deuce cab?

I have a LD-465-1 and I just blew the headgasket ,because I turned the pump all the way up, added a D turbo and was running 25' of timing, so I expected it ,but could I run a LDS gasket as a upgrade, and Is there a difference in the ld, ldt and lds blocks. I was under the impression that there...

Does anybody know what the difference between LD465 pistons and LDT465 pistons is, Is the piston bowl shaped differently for the turbo charged motors, I'm about to put a D turbo on my LD motor and was wondering what exactly is different about the two motors

I noticed the other day that my rear right turn signal stopped working, the bulbs are fine ,I'm not getting power to it, I tested the wires upto the flasher box, and I noticed that when the left turn signals are on 2 wires carry the flashing current one for the front and one for the back turn...

When I use reverse the transmission will jump out of gear, so I pulled the top and everything looked good, what would cause this

I just got my truck and the turn signals don't work, I can't find the flasher any where, I have a couple of dangling connections by the drivers side fender but the flasher box isn't there,am I looking in the right spot

I am looking at a 1970 m35a2 with a LD-465, the truck doesn't have a stack, its exhaust goes to a muffler under the cab and exits between the rear duals, I haven't seen a truck like this, and was wondering if it was common and why doesn't it have a stack

I have found a 1970 model m35 but it has an LD 465 non turbo engine, didn't the LDT 465 1c come in this late model of truck.

Has anyone turned up the 250 Cummins or know how to, I think they would be easy to turbo charge since the 855 uses the HT3B turbo and the block and heads are basicly the same, You could maybe add an injector pump and injectors from a 444 Cummins or something simmilar, I know a button can be...

I am looking at buying a 1971 m812 with 7211 miles, the truck looks to be in great condition and is used by a fire dept., it has a water tank which the fire dept is keeping so it won't have a bed, they are asking 4000 OBO, of course I will try to talk them down but does this sound reasonable