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I think I'd be talking to the people that made yours, take some pics and some measurements, preferably so they can read the measurements in the pic's. Be nice but firm, you paid for a product that would last longer than 1 year and be sure to mention that!

Never heard of that problem and I always seem to have the odd stuff like that happen to me! Please keep us updated on this!

Hummer tires are available in radial and bias belts, look and see what you have when checking tire pressure. IIRC the 16 inch tires are radial and the 16.5 are bias, may be wrong on that. Doubt it's the U joints, they will normally click and vibration doesn't go away.

While you have the tank out, remove the filter and use an air hose to blow any and all crud and old fuel BACK to the open line from the tank. Shouldn't be any crud but can't hurt to check, dump that fuel! It's not worth saving, replace it with new clean fuel and dump that old crap in with some...

To me it sounds like flat spots on the tires from sitting, it can happen overnight. Could you have an old set of bias belted tires? Those things would flat spot and run rough for about 10-20 miles before warming up and rounding out.

As far as the battery goes, be on the lookout for the left hand battery tray from a civilian Blazer, Suburban or truck, and mount one on each side, or have two on the right side and one on the left that powers the hotel load.

You already changed the sender, just pull it back out and with a few brass fittings and a TEE you can have both the light and gauge hooked up from the same port. Also what oil did you use? I've never used Sea Foam but that could've thinned out the oil some. If it is a little low on oil pressure...

I might have missed it but did you check BOTH tail light grounds at the body? Each light has a black wire going to the truck body, the need to be clean and tight, the truck bed needs to have a clean ground also, it should be grounded thru all the bolts to the frame but who knows?

More than one person has done it, myself, no. I would if I came across a CUCV that was hacked (I have most if not all parts) but if the 12V was working I'd probably would leave it. Yeah, lots of help here huh? I'd look it over real good, a tell-tale sign of a hack job would be any unsealed crimp...

If you are still stuck on the road side, run a jumper wire from the positive terminal on the FRONT battery (12volts) over to the pink wire on the injection pump. Then after making sure the truck is in park (double check) and or maybe the transfer case in in neutral, use a screwdriver or other...

I've driven a CUCV with a 4spd on the street and just like an auto if you are on the throttle making a corner than tires will squeal or something will break, simple solution is to ease thru the corners.

I'd be spending some time with the "family friend" and find out exactly what he did and carefully ask him why he did it. The stock system is a good system, a bit odd but it has lasted all this time. Personally I'd go back to the 24v starter as it uses only half the amps of a 12v system. I've...

That angle and any published data would only be for stock trucks in new condition, no saggy worn springs or lift kits and big tires, so each truck will be different.

Sorry, wish I could answer that question.

Ebay, Auto-zone, NAPA any auto parts store should be able to cough one up in a day or so. Just don't confuse them with the CUCV! Tell them it's for a 1984 Chevy K30 with a 6.2L J code engine.

Check on flebay for used 6.5 oil pump drive, save $$$

Yep, the cooler the air the better, not only does it help cool the engine but cool/cold air is denser, meaning it has more O2 per cubic whatever.

With all those above mentioned 'improvements', I think you should gain a tire burning -head snapping couple of horse power. The 6.2 was never designed to be a powerhouse and no matter what you do it never will, or it never will for very long! By all means a new dampener and a cool air intake...

Soak it down with penetrating oil and grab it tightly with vise grips and apply pressure using a pulling-twisting motion , KEEP IT IN A STRAIGHT LINE, DO NOT GO SIDE TO SIDE AS IT WILL BRAKE OFF! Work it out a bit and then push it back in just a bit and apply more oil and repeat. Some people...

Does this happen all the time, or just when engine is cold? Cold meaning first start up of the day. What happens if you start it in the AM and just let it sit and run? I'm thinking lift pump or sorry to say the IP.