@South has tires in Cookeville.
I run 12R24.5 Goodyear G177s on my drive tires and I've got well over 150k miles on em and they aren't even half worn on virgins.
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Simp's M915A1 Build Thread
- Thread starter simp5782
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I run 12R24.5 Goodyear G177s on my drive tires and I've got well over 150k miles on em and they aren't even half worn on virgins.
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fiero11
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The tires on my truck are...they have pretty deep cracks in them. I would not be surprised if they are the original 1984 tires!
fiero11
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Stephen South is one of my go to guys on tires.
fiero11
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You've been a lot of help on M915a1 acquisition. I'm mostly familiar with the 800 and 900 series trucks. I'm getting ready to put 395 MTV tires on her mounted on 5 ton combat rims. Can you confirm for me that the 5 ton LH and RH 3/4"-16 lug nuts fit the wheel studs on the M915 before I spend a bunch on new lug nuts?
You will use the stock lug nuts in the front. They are 7/8.
Rears are 3/4" -16 under the thimbles.
fiero11
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Thank you for the information. I am just now learning what I need to know on this series trucks. I can see why they are a favorite of so many people who like the big military trucks. I, myself, have quickly become fond of the M915a1 since I got it. I hope maybe to add a M916 to the collection later.
She got new shoes, 445 65 22.5 Sumitomos on the steer and 12R24.5 G177 recaps on the rear. May have the modify the spare tire carrier for the 12R to fit.
Engine has a 891 cpl.
New front tandem wheel seal and secure nut.
New air line and power cord.
Serviced all the engine and transmission filters.
Grote 7in round headlights
Stripped the interior and added a new air ride seat.
Prepped some of the cab rust.
Engine has a 891 cpl.
New front tandem wheel seal and secure nut.
New air line and power cord.
Serviced all the engine and transmission filters.
Grote 7in round headlights
Stripped the interior and added a new air ride seat.
Prepped some of the cab rust.
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Looks like an Illinois National Guard truck, mine was it's stablemate. Lots of rust from the salt.
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Nice, man how awesome would it be just to walk around & look at all the stuff/equipment you have!!
Nice looking M915A1, still have the original M915A1 as well?
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891 CPL was ReCon's rebuild of the 614 CPL MVT 400. They were good runners. ReCon re-engineered the new CPL to not have the variable timing and they were able to do that by NOT being the original engine mfgr. They were a rebuilder, even though they are a Cummins owned entity, so they went through the process of getting their rebuild certified by the EPA. Kinda stupid that to conform to the CA. emissions, the MVT systems were developed only to be deleted by a rebuilder and meet the same emissions. Stupid CA. 614, 615 and 616 were replaced by 891, 892 and 893. If I remember right. Actually, the 614, and others, if converted to the oiled MVT system were reliable and ran hard. I bought one after 5 cam failures in a Pete 379 transfer truck. Did the oiling and put it to work, ran it 5 years with no issues and sold it to the guy I hired to operate it. Made me money and made the driver money.
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Maybe a broken crimp on an injector. Sounds like more toward the top in the first video, but next to impossible to tell if not there. No pressure out the blow-by tube or oil filler?
No internal pressure. No fluid mixtures. Rotella smell was pretty bad in the cab.
Exhaust port is wet from fuel. There is an existing water mark on the block
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Well, if there is fuel there, not a crimp. Water or coolant being pumped out a cylinder usually cleans the port, kinda acts like a cleaning agent. Have you pulled the lid and brake yet? Could have an issue with the brake adjuster, cross head or it's adjuster, something left loose or a bent PT. Open it up, start it with the lid off and see what it looks like when running.
Where did you get the engine? The water mark coming off the center of the port is most likely from the manifold getting wet and the water running off the pointed part of the manifold. Normally, a gasket that has water grommet issues leaks from between the heads or in the middle.
If you can, take a video of it running down into the overhead area. And you know not to run it w/o the brakes unless you install a solid rocker shaft set screw or use a block off, correct?
PM me your address, I want to send you something that I will never use again.
Where did you get the engine? The water mark coming off the center of the port is most likely from the manifold getting wet and the water running off the pointed part of the manifold. Normally, a gasket that has water grommet issues leaks from between the heads or in the middle.
If you can, take a video of it running down into the overhead area. And you know not to run it w/o the brakes unless you install a solid rocker shaft set screw or use a block off, correct?
PM me your address, I want to send you something that I will never use again.
