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Tire pressure will really affect the “lane change” feel of the locker with a manual transmission. My M715 with a 6.2 diesel with the tires way up in pressure drives like any other vehicle. Lower the tire pressure to around 20 psi and it is a different animal. Especially on the power in 3rd gear...

I have never read that the M1010 had more power than the rest of the CUCV vehicles before. Nothing is mentioned in the manuals about that either. GM had 2 versions of the 6.2 back then. The EGR equipped low power version and the non EGR J code version in the CUCV trucks. The intake manifold was...

With no turbo you really don’t feel any difference turning up the IP. At least I didn’t the time I tried it. If you get black smoke out the exhaust on a non turbo diesel you have too much fuel going in. Flooring the accelerator from a stop might give you a touch of black for a second or two...

Don’t do anything else until you can verify what has been done, what parts are actually on the truck and how they are are connected.

I do not know when the hard tops changed window sizes. The 1964 TM if I remember correctly has the small windows shown. But the ones from near the end of production show the sliders. I Just don’t know. Sorry.

TM 9-2320-289-20. Appendix F. Page F-9 is the charging circuit wiring diagram. Click the tab at the top of this page labeled TM to access a free download. My signature is a link to my YouTube channel. I have a video about the TM’s and a few about the wiring. Not one specifically to your exact...

As pointed out above, the 6.2 was not designed to be powerful. It was designed to fit in the same place as a gas V8, have the same power as a 2 barrel 305 and get twice the mpg. It does that perfectly! It was also designed and used in a time when 55 mph was the law of the land. More air in is...

No idea on the brand. They were in a stash of parts I got. I have since found out they are cheapo units. The push in fuses tend to rattle around some in my experience. Get good quality.

I did something like that on my Cowdog Suburban. I put 2 fuse blocks on the front of the center console. 1 always hot wired directly from a battery. The other switched 12 volts from an empty spot on the left of the stock Chevy fuse panel. I run everything not stock to the 1987 truck off the...

Section 8-10 of the TM 9-2320-289-20 says 70 foot pounds for the drag link end nuts on page 8-21 which is page 454 on my pdf downloaded manual.

I call mine the smile generator. The basic truck is an 80 year old design. Sticking with the parts designed to work together and proven to work together normally causes less issues.

Yes, all adjustment is done with the nut next to the bearing. The lock nut just locks it down. The TM’s seem to skip over this procedure. The civilian factory service manual says this: 1. torque inner nut to 50 ft. lbs. while spinning the bearing hub to seat the bearings. 2. back off the...

The stock alternators are isolated ground. You will not find such a thing at a chain parts store. They are easy to rebuild and kits are available on this site from at least 1 member and on eBay. Have you by chance followed the troubleshooting steps in the -20 TM?

Yes, you can feel it with hands at 6 and 12 when it is there. I always worry more about too tight instead of too loose. That is why I find the line and try to lock it down right on the line.

Every manufacturer seems to have a different method for this. I once found a 1957 Buick factory service manual that said to tighten the bearing nut to 40 ft pounds, spin the hub 19 times and then do some other form of magic before putting the lock nut on. I have developed my own technique for...

Glad you got it working and might have a spare soon.

You get to be the test pilot on that one. Loaded to the gills I would suggest putting the tires at the pressure the side of the tire says is max. Running empty that will have you bouncing off the ceiling and your teeth getting rattled out. The rear tires are going to be whatever psi you are...

That is the worst case scenario. Using a finger nail file to clean the contacts and a dental pick to bend the pins closer together might be all you need to do if this is even your problem.

You don’t need to just check the fuses for being good fuses. You need to verify power is getting to and from the fuse legs. The wire end pins inside the fuse panel melt into the plastic and no longer touch the fuses sometimes.

What is the Propel fuel? I have never heard of it.