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76 K5 Build; More Parts....Trucks

Front fenders are trimmed in the front. Got my front drive shaft built and in. Brakes are bled too. Saturday I should have time to go around and tighten everything and take it for a test drive. Have to find something to flex out on to see exactly how much I'll have to trim the rest.
 


































Everything is tightened down and went for a test drive. Still have to cut the rear of the front fenders and do the rear quarters. Found my steering box leak...the seal at the sector shaft. Need to adjust the drag link, turns farther to the passenger side than the drivers. Also need to get a steering stop on that side, I can get the tire to hit the spring at full lock. Crossover steering is sooooo much nicer than the stock setup. I can turn the wheel with one finger on pavement where I had to really muscle it before. On the hunt for a box brace now. Brakes need bled again. First couple stops sucked after they pumped up they were ok.
 
How are the tires?

Martin

Meaning?

They actually ride fairly well. I'd say as good as my 38's or slightly better. Was a bit surprising. I expected them to be out or round/balance. I won't be running them on the road so ride quality isn't a high priority for them. I did pick up a set of stock 16.5's to mount the 37's that I found.

The 44's have got some weather cheacking but I've run worse. They have a decent amount of tread left...and have been grooved. The insides of two of them are chunked up where they've hit sheet metal before. Should work fine for what I want to use them for. I did a couple 2nd gear 5,000rpm clutch dumps in the backyard a few minutes ago and they hooked up awesome. Hookin-n-Bookin!
 
Mostly that. Hub caps with the 37's?

Martin

I plan on it. Have a few set of caps I've saved from parts trucks. Did that on my old 87 K5. 37" military tires and stock wheels/caps.
 
That is looking pretty good. I even like the paint. Has that little bit of attitude about it.
 
That is looking pretty good. I even like the paint. Has that little bit of attitude about it.


Thanks! The grey areas are where I wheeled some of the rust off and hit it with whatever rattle can was close. I think it helps break the white up a little. Makes it look less like a rolling refridgerator.
 
4 months later...how about some updates.


Back in July my town had it's annual fair, the Cornfest. There is a mud bog as one of the events. I finished the D60 install and had gotten a few miles on it. Having previously been bogging with a locked front (in my 10B), I wanted the same with the 60. Couldn't come up with the cash for a lunchbox locker....so I welded up the spiders. Wasn't really a problem turning as long as I was moving under power or had one of the hubs unlocked, that's a key part of this story...so remember that.

Day of the bog comes and I head down to the fairgrounds. A short 1/2 mile drive, 5 corners I figured I didn't need to trailer it. Got tech'd in as being able to run the mod2 class. I asked about my tires being grooved. Guy said that didn't matter. Come to find out he was wrong. I got bumped up to the open class for having cut tires...no big deal. The first few trucks to run made it through without much trouble. As the day went on the pit got turned up and was becoming more difficult. Most trucks making it less than 100'.

Finally my turn comes, I was second to last to run. For those unfamiliar with the concept, I'll explain. You start from a dead stop with your front tires about 5' from the edge of the pit. Object is to get as far as you can in one shot. Once forward progess has halted, they wave the flag and your done. Farthest distance wins or quickest time if you make it all the way. So.... I line up at the start line and wait. Get the go ahead, rev the motor to 5000 and dump the clutch in 2nd. Truck jumps forward like a bat outta hell. I'm flying through the pit at 7500rpm. Then.....it just shuts off. No sputters like it got wet, just flat out quits. I can hear the crowds disappointment through my helmet. $hit, I think to myself...I'm done. Look out my window and see the flag guy waving my on. Without thinking about why it quit, push the clutch in and hit the key. It turns over a few times and fires right up. Great! Back in business. Into creeper and drop the clutch @ 6k. Start moving forward again (no small feat in mud deeper than my front bumper) and see out of the corner of my eye the flag guy frantically waiving his arms/flag to get me to stop. By this time I notice the cab filling with smoke and glance at my gauges to see my temp pegged past 260*. Flag guy jumps into the pit and pops open my hood, probably thinking I'm on fire. Good news is I wasn't. Bad news is, apparently the front half of my motor didn't like the R's I was spinning and decided to part ways with the block. Snapped the front of the crank off all the way back to the first bearing. Taking out the timing chain, cover and water pump in the process. As well as bending the crank pulley egg shaped and breaking chunks off the balancer. The crew working the pit was nice enough to fish out the parts that went under the truck.

The loader pulled me out and I got pulled back to the pit area by another truck. After surveying the damage we/I decided since it was just around the corner to flat tow it with a strap. Remember my great idea to weld the front end...not so great anymore. Couldn't turn to save my life once we got out onto the paved roads. Tried unlocking the hubs...that was a no go. Everything was bound up, couldn't get either one to budge. Ended up overshooting a turn and landing in someones yard. Decided to go back to the house and get tools to pull a hub so I could make the turns. Pulled it back to the house and stuck it in the backyard.

That's where it sat for 2 months or so. I did pressure wash the mud off the next day. Don't know if it was disappointment or just being burned out on it. But I didn't feel like working on it. I did get around to swapping the old 350 back in eventually. That involved putting the small 235's back on it so the cherry picked would go high enough (even then I had to pull the valve cores and still barely cleared). Drove it around the block a few times to get it up to temp and top off the fluids, then parked it back in the same spot it was in.

That pretty much brings us up to date. I did end up using the heads/cam from the 400 on another motor. A 350 I'm building for my Camaro.

Now, the real updates. I got a line on a Nv4500 for a good price. $550 for the trans, bell, pedals, master/slave, 2 clutches and a few other small bits. Not sure what year it is, but I know he was gathering parts to put it into a square body, so at least the pedals are correct hydro parts. Will need to find a 208/241. Probably need to modify the driveshafts too.

Other things to address. Steering box still leaks, from around the sector shaft. I've got another one to put on, but my is drilled for hydro assist....which I'd like to do in the near future. Somehow the nuts on the pass side of the diff came off. Not sure how, but they're MIA. Need to either find new ones or pull the studs and run some bolts. Still haven't gone to disc's on the rear, even though I have all the parts sitting in the garage.

I didn't renew my plates/insurance for next year yet. Mainly to keep me from driving it this winter, trying to prevent unneeded salt exposure. I plan on putting historic plates on it when I do get it legal again.
 
My guess is when it shut off in the pit, the crank was on it's way out/cracked. The timing chain and belt holding it in. It was a clean break, right at the front main cap. I think I got a few pictures of it before I sent it to the scrap yard.
 





If you look hard enough...there is an NV4500 under all that grease.

When I posted this:

Now, the real updates. I got a line on a Nv4500 for a good price. $550 for the trans, bell, pedals, master/slave, 2 clutches and a few other small bits. Not sure what year it is, but I know he was gathering parts to put it into a square body, so at least the pedals are correct hydro parts. Will need to find a 208/241. Probably need to modify the driveshafts too.

I was under the impression that the guy knew what he actually had. Turns out, he didn't. I went to look at it and knew right away what it was. He had an NV3500/241 out of a GMT400 truck. After arguing with him for about 15min I finally got it through to him what I was looking for. He made a few phone calls and surprisingly enough was able to find one in about 10minutes. It's out of a 93 one ton.

I'm not sure when I'm going to swap this in. Still need to come up with some hydro pedals or decide if I want to mod my current bell to work....or buy the AA bellhousing. I know where there is a round pattern 205, I sold it to the guy a few years ago and he still hasn't used it. Might be able to buy that one back, or hunt for a 208/241.
 
I want an NV3500.

Martin

I may be trading that truck I picked up over the winter (the multicolored one in the snow pics) for the Nv3500/241 that the guy I got my 4500 from has. I don't know what I'm going to do with it, but it'll be nice to have.





Finally getting around to doing the discs on the back of the blazer. The calipers/lines/pads are new, just surface rust from sitting. The rotors are off the 10B I took out. I've got all 16 dually studs....just didn't include them in the picture. Sometime in the middle of the week I'll pull the K5 up and switch things around.


In other news...I'm working on my cousins truck, swapping in a D60/14Bff for him. I sold him this truck a few years ago and it just sat. He drove it maybe a month before breaking the rear axle. I've been pestering him to buy it back, even offering more than he paid. The axles he got are from a dually (where I got my studs for the discs), so he needs to track down some SRW hubs for the front. But for $600 it wasn't a bad buy.


I already swapped the rear axle in this picture. Had to move the perches. You can see how far the wheels are in, the stock wheels don't help either. On the plus side I'm getting the 35" BFG Mud Terrains on the hurricane wheels as part of payment.




Broke 12B. He pulled the cover about two years ago to see what was wrong, never put it back on. The passenger tube had also broken it's plug welds and was starting to spin. I welded the tubes on the 14B while it was out.




Dually D60.

 

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