lizard49
Registered Member
so I am ready to weld perches and mount this sucker tomorrow. Just noticed the lug nut studs are bigger...your's the same? i hope i can buy the studs to match front and switch them out.


Nice upgrade. Mine still has the 3.73 gears, but I would like to go a little lower. Have you driven this yet? Any vibrations? The pinion looks a little high, but maybe that's just the camera angle. Anyway, whatever works.![]()
because I dont want to
Seriously though its main duty is towing but I do like to do a little light wheeling. 2nd gear at 55mph the rpms are up there but still ok.
When I went online to look for ring and pinion I see a few different sizes for a 14 bolt. 9.5inch 10.5inch 11.5inch Which is prefered and how do I tell which a particular axle has without removing the cover?
Guys I dont care about drum vs disks. I'll use whatever the axle comes with. I know disc brakes are better but I'm not concerned with having drums. My current rear axle has drums and it does fine. With disks I think you would need to get a propotioning valve. That's just more work I would avoid if possible.
Anything I should look out for when looking at axles?
Picture of said truck
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Ya I remember I still don't have a bumper, my boat was the one sitting out on the street all the time during the summer. I don't live over there anymore. Houses have gotten so cheap I had to buy one.hay i know that street! thats funny. my crew cab is currently parked where that van is in the picture. my in-laws live at the top of the hill right there.
i think i talked to you once about the bumper on my k5.

I am curious, i read most of the previous posts, and from what i gather in short, you were mainbly complaining that you couldn't tow your 4k lbs boat up a hill more than 55mph, in 2nd gear? running 4.56 gears?
How steep of hills are we talking about, and for how long?
Reason i ask, is i think it mainly has something to do with the "rush feeling" meaning you don't feel like you're getting anywhere, unless you're keeping up with traffic. When trucks are loaded down, they go up hills slow, it's just what they do.
I have 35" tires on my Burb, brand new motor, new trans, running a 14bff with 4.10 gears, just recently towed a fully loaded trailer with most of everything we own, out of Arizona, climbing some pretty steep hills, also the whole back of the Burb and the roof were also loaded to the max. Pretty sure it weighed more than 4k total, and still i ran in second gear, running 45-50 mph, running in the mid to high 3000 rpm range, don't remember right off, but it "pulled" just fine.
I'm thinking, and don't take this too personally, that you may need to relax alittle when driving and pulling heavy loads![]()
BTW, not that it matters, i used to drive tractor/trailers long haul for quite some time, i guess i learned alittle patience while driving, as you notice, they also slow down on upgrades and drop several gears.
I also do agree though, that if it's primarily a tow rig, then yes, definately a larger rear diff, and maybe run a synthetic gear lube to handle the added heat from towing.
I dont know what the grade is but its pretty steep. Maybe a trucker from Oregon would know its 26 going up sylvan hill its probably a mile long. It wasn't that I wasn't going anywhere its that I could only make it up the hill in 2nd gear. If I shifted to 3rd the truck would progressively slow down!
once the gears break in I intend to drain and put synthetic oil in there.

I dunno, pulling some decent weight up a steep hill, this situation sounds pretty normal to me, but to each their own i guess![]()
Replaced the cat long time ago. No adjustable fuel pressure regulator. When I bought the thing the motor was soooo shot the old cat was full of oil. So that got replaced after I rebuilt the motor with a high flow version.What do you have for exhaust on that thing? i see from the pictures that the muffler is the original or a stock replacement, but what about the cat? does it have the stock pellet cat on it?
you said it has headers, but if the stock cat and muffler are on there, you are missing out on a descent power gain.
replacement high capacity cats are pretty cheap.
also, do you have an adjustable fuel pressure regulator?

Yes everything bolted up perfectly. and I have 15" rims but they aren't stock. No drilling required but I did buy new lug nuts from les schwab.So are you still running stock 15" rims? Did they bolt onto that thing without drilling?