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Here, for the low initiative having: 14 bolt sf question - Page 2 - CK5 Blazer Forums My "Offical" restoration thread and more - Page 36 - CK5 Blazer Forums 14SF "tech" info - Page 8 - CK5 Blazer Forums

Still requires either custom shafts, new parts, or adapting various pieces together. Go over to ColoradoK5 and look for a guy named Chevy305's build thread. He pretty much says he wasted his money and time converting his 80's 8 lug 14SF to 6 lug due to all the problems he had. At any rate...

Yep, lots o' mystery with GM. The 6 lug 2wd 14SF's were also narrower than the 4wd versions.

Doesn't work that way. 88-98 body style 6 lug axleshafts (while not common to begin with) aren't the same length as 80-87 body style 14SF 8 lug shafts. They don't swap right over. Guy on CK5 tried to do that and ended up spending more than just finding a 6 lug 14SF and moving the perches and...

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.

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...