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Why would he need new rear axleshafts and brakes? I missed that part I think.

Not exactly sure where you're coming up with the axleshafts and brake hardware but still, not everyone can regear an axle or wants to. Last I knew the average to regear an axle was over $500. I'm lucky and know a couple guys who will do it for around $100-150 if I provide the parts. Besides...

6 lug version would make sense if he had a 6 lug front axle that already had low gears in it like 3.73's, 4.10's, 4.56's, etc to work with those 37's. Since he doesn't, and his 14SF probably already does...and he owns it already...he's money ahead by just finding a matching 8 lug 10 bolt or D44...

14SF is a LOT beefier than a 10 bolt 28 spline. Not a 14FF but good for 37's if he's not going to hammer on it. Also he'd have to regear his front axle to match whatever gear ratio he ends up with so might as well find a 3/4 ton D44 or 10 bolt and have 8 lugs and lower gears at once.

CUCV trucks got the standard truck step bumper while CUCV K5's got the standard "appearance" style bumper that civilian K5's and some high zoot half ton trucks got. Other than the holes in the bumpers for the D ring brackets the CUCV's use standard GM bumpers. My money's on that tire carrier...

Note that was also with factory 29-31" tires. Anything larger makes it worse. They mount by bolting through holes in the body to backing plates with captured nuts behind the body. Problem is the body was never meant to support weight like that and after a while the metal fatigues, cracks, and...

My problem is you're messing with the tow rating. K5's are fairly limited already. So this adds more variables for oddness. How's this thing attached to the existing hitch? A pin or something? Maybe a bolt? After that I don't want to put a ton or more of weight on a regular tongue with...

The 14FF was used in the SRW 1 tons and the heavy GVWR 3/4 tons. Prior to 198...2 I think...all 3/4 tons got the 14FF. After that the "regular" 3/4 tons got the 14SF. Those are the 8 lug axles. After the square body 73-87 body style things changed a bit including 6 and 5 lug 14SF's in...

Only problem with that is it messes with your ability to tow.

Yep, Blazen is gone. Victim of the economy and a failed business venture elsewhere.

Get a high torque starter meant for the 6.5L turbo diesels. 12v starts a LOT faster then.

That's not factory. It was a dealer installed option you could get through your dealer but separate of GM's factory options installed in Flint, MI when the truck was built. I have a rear roll bar waiting to be installed into my K5. Came out of a 1978 K5 Blazer sold new with it from a dealer...

For the record back in the 70's and early 80's you could get a dealer installed body mounted swing away tire carrier sorta like Bronco's had. Only problem is that, like the Bronco's, it fatigued the body and would eventually lead to cracking. It's worse in the GM's because the body was not...

Do you WANT to keep the Gov Lock or install a limited slip? Although technically the Gov Lock is a locker it functions more like a very tightly locking limited slip. They're also pieces of crap that like to blow up so I hate them personally. If you want to get rid of one you will need an open...

They're not the strongest rear axles and the Gov-Lock has built in issues. I have one that I believe is 202,000 miles old and counting... but it does have it's quirks. I know people who beat their trucks like redheaded stepchilds and had no issues at all. I know others who took proper care of...

You might try and contact the guys at Offroad Design - Fullsize Chevy GM 4x4 Suspensions, Parts and Performance . Know these trucks inside and out.

GM considers it a half ton for marketing purposes. The military rated it by it's actual weight rating, not GM's commercial designation. Aftermarket lift makers like that use GM's lingo since the vast majority of their customers have civilian Blazers. Your M1009 Blazer is about 90% the same as...

That's a listing for a 3/4 or 1 ton truck. GM considered the Blazer a 1/2 ton truck.

Make sure the gear ratio matches the front. Will be 3.08 if stock. Civilian Blazers/Jimmys got that ratio commonly in the 70's and 80's but there were plenty of other options. Mine has 3.73 for instance. Seen as high as 2.73 and as low as 4.10 in stock half ton axles.

3 month later post... ...HMMWV's aren't sold to the public because they are considered a combat vehicle. Same reason we won't get tanks, APC's, ASV's, warplanes, and the like in working condition. Transport trucks are considered non-combat vehicles, even if you can mount a ring and a .50 on...