Re: 69 c50
 

My truck has a Detroit Diesel 4-53T which is governed at 2,500 rpm. The original 5.29 rear topped out at 59 mph. I was targeting gearing it so I could run 70 mph. At 65 mph I am guessing 2,300 (do not have a tach). I purchased the ring gear and pinion from LKQ heavy truck parts. I think it cost me around $500.00 plus shipping. I did the swap myself, not a hard job. I have not hauled much of a load on it yet, the heaviest load was a 1999 3/4 ton diesel Suburban. When it had the 5.29 rears we never had to shift. Drove it through the mountains of Colorado with no problem. It was just a cab and chassis. The 4-53T detroit diesel is only 170 hp, but appears to be very adequate for my plans. I will be hauling an antique tractor (8,200 lbs).

Re: 69 c50
 

Good looking truck and tractor! Now I want to run outside and look so I can see what options I have :lol:
That's not a bad price for a gear! As someone said there's 50 years worth of upgrading these trucks and I just have to figure out what has been figured out that suits my needs. So far everyone has been great here at helping me along my way and I hope to be a help one day too, thank you guys

Re: 69 c50
 

Very interested in what rear axle you have, it might be the Eaton variety given it is a 23,000 lb rear. Here is a link to my build thread, the title says A/C conversion however it ended up being my build thread.

http://67-72chevytrucks.com/vboard/s...d.php?t=721374

Re: 69 c50
 

http://i1243.photobucket.com/albums/...217_130316.jpg

Maybe some of you guys can help me decipher what a couple of those things are. What is the whl limiting valve?

Re: 69 c50
 

The wheel limiting valve is a toggle air valve located on the dash to limit front brakes when you have a trailer. Bobtail (empty) you want the front brakes but with a fifth wheel trailer it will increase the tendency to jackknife so you limit or turn off the front wheel brakes.

Looks like you have an Eaton 17221 (17 series), 6.50 high, 8.87 low ratios, basically same as mine except it is setup for air brakes.

You might want to run the numbers and see what a 5.29 high ratio will do for you, my ring and pinion set is like new with only 46,000 miles on it.

Here is a link where you can download the maintenance/overhaul manual for your rear.

http://www.eaton.com/ecm/idcplg?IdcS...ILE&dID=270938

Re: 69 c50
 

The truck was definitely a factory 5th wheel truck. Need to find a good single axle lowboy trailer with 15" wheels and dovetail.

Re: 69 c50
 

Floor mat for your truck:

Classic Truck Parts:

39-033 Floormat-Small Hump 67-72

Re: 69 c50
 

Thank you for the info! Man I'd love to have a trailer like that! Imagine how awesome that would look driving down the road with the wife's truck in tow! I really need a trailer bigger then that but when we're only hauling her truck that would be absolutly perfect.

A rubber floor mat is definatly on the list too once I do a little sound proofing on it.

I'm going to pick up a set of headers for it right now. They're used but I figured since I have to pull the manifolds off to replace the gaskets I may as well upgrade while I'm at it

Re: 69 c50
 

Check out this link:

https://www.truckntrailer.com/for-sa...lowboy-trailer

Re: 69 c50
 

That's a great trailer and I'd love to get it. I found one for $2k believe it or not. I'm not jumping on getting another trailer just yet though. I need to get the truck in shape before I do that. I'm giving myself until spring of next year to get it wrapped up. I'll be going back to work next Monday so the cash flow will be coming back in so I can gather parts. Once the weather breaks here I'll be out there a lot.

Re: 69 c50
 

Alright guys I've been gone but doing lots of research. I've decided I'm going to get a different rear end and swap the gears. I've found a few with 4:88 high gears. At 3200 rpm that will give me a top speed of 78 mph. 95% of my cruising speed will be at 65 mph and 2675 rpm. That should keep me in the torque just enough, if not no big deal that's why there is lower gears. I still have to find what the matched low gears will be with the high 4:88s. There wasn't any info on the rear ends I found all they stated was the high gear.

The Dr put me off for another 4 weeks but once I'm back that will be the first big thing I buy for it followed by tires and the rest will be nickle and dime things.

Re: 69 c50
 

Haha. Nickle and dime things!!! That's a good one.

Re: 69 c50
 

There's a hidden junk yard right down the road from me. People who have lived in my area for 20 years have never known about it. They have a few 67-72 chevys in there. I bought a running econoline with a running (with some work) 460. I went there to look for parts for my wife's truck a couple years ago. I think if I'm up for it tomorrow I'll have a gander and see if he has anything I could use for my truck. I couldn't use anything from them for the wife's truck but her truck and mine are at completely different ends of the spectrum.

$5k total including the cost of the truck is still my personal number that I don't mind having into the truck to make it a truck I can jump in, hook anything to and drive anywhere I want to go. After $5k are just things that I want to do to it to personalize it for me... I'm a guy who had a completely "bulletproof" billet transmission in my Cummins for piece of mind... then I broke it!! :lol::lol::lol:

Re: 69 c50
 

I haven't done a lot but what I've done has been a success. I checked all of the wiring for the lights and the wiring is all good for now. I will need to buy brake light housings so I'll just go LEDs once I find a set I like. 95% of the lights on the truck now work. The factory speedometer works like a champ! I even got the tach working too!! Once I get the fuel gauge and oil pressure gauge working all the factory gauges will be in working order. Still no hazards or turn signals yet. It's not much but it's progress!

Re: 69 c50
 

Brothers trucks.com sells a repair kit for the hazards and turn signals. Pretty easy replacement under steering wheel. Itll cost you a dime though. Haha

Re: 69 c50
 

I almost forgot the wipers work now too!

I book marked that site, thanks. I didn't find the exact one I need yet but I'm sure it's only gonna be a nickle :rolleyes:

Re: 69 c50
 

I've used brothers and lmc quite a bit. Both have been great.

Re: 69 c50
 

It's been too cold here and with my poor circulation I haven't been able to really dig into it like I want to so I can make a solid list of what I need and want. I have been also looking at small sleepers for it. I think something around 36" or so should be pretty good. I have never liked a standard cab. My wish list is growing daily haha