Re: Finally starting my Longhorn 4x4 conversion
you could use airbags instead of leafsprings in the rear for the gooseneck , it would allso help resist the rear squatting once the trailer is loaded and you can lift the rear as high as you like it when you dont pull the trailer , on the dually scene they use them a lot and pulling two car trailers mostly slam RE 4's
you dont realy need tanks and stuff just a pump and some valves when you only raise and lower them when standing still |
Re: Finally starting my Longhorn 4x4 conversion
Morrors look good. That is the same style that I have. Very functional, but not obnoxious/in-the-way/blind spots.
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Re: Finally starting my Longhorn 4x4 conversion
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Re: Finally starting my Longhorn 4x4 conversion
OK, today Mathew and I were loading scrap, and I decided the old hood on the Longhorn was going bye bye. So when we came back we installed my new hood. It fits pretty well. I am still going to have to fine tune it, but it is pretty good considering the rest of the truck. :lol:
http://i181.photobucket.com/albums/x...onghorn005.jpg http://i181.photobucket.com/albums/x...onghorn006.jpg http://i181.photobucket.com/albums/x...onghorn007.jpg It looks like I will be removing the engine from this truck now too. My brother needs to get his truck off the ground, out of the weeds, and from a million pieces to a few. So I'm giving his engine back so he has no, "But you have my engine!", excuses. :lol: I will put in a 96 12v once I redo my engine cross member. The more I look at it, the more it irritates me. |
Re: Finally starting my Longhorn 4x4 conversion
youre brother could put the truck together untill it NEEDS the engine put in , that at least gives you one running vehicle most of the time
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Re: Finally starting my Longhorn 4x4 conversion
Well, my Longhorn isn't running anyway. I have no fuel lines hooked up, no trans cooler lines, no shifter linkage, no drive shafts, and etc. This truck isn't close to drivable. It does have working brakes on the front axle only. :lol: Plus, I sold the rear axle and it will be coming out this weekend. I'm waiting on a buddy of mine to get me a Dana 80 he owes me, and I will put that in this truck. And another thing I forgot was, I purchased a single disc billet torque converter for this so I'm going to have to remove the trans anyway to install that. Then, I'm going to rebuild this trans because this is one of those, "Yeah it worked great before we pulled it from my truck!" types of deals. I can't justify installing a new TC not knowing the condition of the transmission.
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Re: Finally starting my Longhorn 4x4 conversion
it wouldnt hurt to put in a new filter and atf oil and check for debrees in the pan
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Re: Finally starting my Longhorn 4x4 conversion
I'm just going to rebuild it and not take any chances.
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Re: Finally starting my Longhorn 4x4 conversion
Sorry to hear about your "negative" progress. That is enough to take the wind out of your sails right there. Hopefully your next motor will be forthcoming soon. Do you have a shop to work in once the "white ground cover" starts falling??
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Re: Finally starting my Longhorn 4x4 conversion
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Yes I have a shop to work in, but it is full of fords with cummins in them at the moment. :lol: I started a thread about one of them a few days ago in the general discussion area. |
Re: Finally starting my Longhorn 4x4 conversion
Well, this past weekend I got a dana 80 3:54 geared posi-lok rear axle for the Longhorn. Dang these things are huge! Now I have to find all the brakes for it. All I have is backing plates. Or maybe I'll just do a disc brake conversion on it. It's hard to tell. I'm leaning towards drums to retain an ebrake and keep it affordable. I'll get pics tomorrow.
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Re: Finally starting my Longhorn 4x4 conversion
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from wat i heared chevy 3 quarter ton 4 wheeldrive front disks fit (that is if the dana 80 youre talking about is simulair to a 14 bolt ) the chevy brakecalipers will fit too if you dont mind missing the emergencybrake if you want the emergencybrake there some sort of cadilac rearbrakecalipers that have them http://info.rockauto.com/Cardone/Detail.html?184138.jpg the only thing you need next to that are slightly longer lugs (prolly the front ones from a 1 ton 4x4) and to fabricate is the plate to bolt the calipers to the flange of the backingplate or buy them http://www.ruffstuffspecialties.com/...d1546fccecd552 |
Re: Finally starting my Longhorn 4x4 conversion
Thanks for the info. The 14 bolt stuff won't fit this rear axle because the axle tubes are too big. I found some disc brake parts on ebay for a D80, so I just have to see if I can make those work. Here are some pictures of the D80, and of my billet single disc torque converter.
http://i181.photobucket.com/albums/x...n/parts007.jpg http://i181.photobucket.com/albums/x...n/parts008.jpg http://i181.photobucket.com/albums/x...n/parts009.jpg http://i181.photobucket.com/albums/x...n/parts012.jpg |
Re: Finally starting my Longhorn 4x4 conversion
Today I removed my old Dana 60 and was going to install the Dana 80. The only problem with that is, my U-bolt retaining plates for the D80 haven't shown up yet. So that means the poor truck will be resting on jack stands until I recieve them and get the time to place the rear end back under the truck. As for the D60, it's going on a road trip to Albert Lea on saturday. :lol:
http://i181.photobucket.com/albums/x...n/parts017.jpg http://i181.photobucket.com/albums/x...n/parts015.jpg http://i181.photobucket.com/albums/x...n/parts016.jpg |
Re: Finally starting my Longhorn 4x4 conversion
I forgot, here is the original SPID for this truck.
http://i181.photobucket.com/albums/x...n/IMG_1512.jpg |
Re: Finally starting my Longhorn 4x4 conversion
How much stronger do you think a D80 is than a drw D70, because im afraid I might brake mine after I do the cummins swap.
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Re: Finally starting my Longhorn 4x4 conversion
Honestly, A LOT! The D70HD's in my mind aren't very strong. My brother broke 4 in his V30 with a 250HP VE 12v. I used to think they were strong, but not now. The D80's live in 650HP pullers for a long time. They have their weak links too, but I have seen them take a heck of a lot of abuse for what they are. 3rd gear boosted launches with 500hp+, many times over. I'd run the D70HD until you can find a D80. They are pricey but if you search you can get a good deal on one.
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Re: Finally starting my Longhorn 4x4 conversion
Thanks, I figured your the guy to ask so I guess ill add a D80 to the list of things I will need. Ill try to swap it out before I brake it so I can make some money back on it.
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Re: Finally starting my Longhorn 4x4 conversion
That's a good idea. Unfortunately my brother purchased what he thought was a D80 from a P-30 chassis camper for his V30 project. It is massive with huge disc brakes, 10 lug hubs, huge leaf springs, and a massive sway bar. The unfortunate part is, it is a dang D70HD! I've tried selling it with no luck, so I told him to use it until he either breaks it or can afford a D80. He wants 19.5's so he better take it easy this time. He purchased all 7 wheels and tires from the guy too. :lol:
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Re: Finally starting my Longhorn 4x4 conversion
Today my U-bolt plates showed up as well as a different transmission dipstick. So with any luck this weekend I wil bring the truck to the shop and see about getting a different engine installed and redo my engine crossmember with any luck.
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Re: Finally starting my Longhorn 4x4 conversion
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Re: Finally starting my Longhorn 4x4 conversion
Well the forecast was looking grim for this next week with a lot of strong winds. After I got some snow fence up for my mom, and picked up some junk out of the yard, I decided to see about getting a rear axle back under the Longhorn and get it inside. I noticed earlier in the day that my jack stands had started settling into the ground, and the truck was starting to lean over. I didn't want this thing falling over. I had my brother go get our neighbor's skid loader while I started cutting the leaf spring perches off the D80. What a PITA that was. I was running out of acetylene, but finally got them off. When I went to clean them up, I noticed I bent them while beating on them trying to knock them off the axle housing. I will just purchase new ones. We took the rear end out there with the skid loader and started getting ready to put it in. Then I realized the axle pads were wider than my u-bolts a long with my lower mounting plates. I drilled out the mounting plates and opened up the u-bolts in the vise. Next we went back out there and started putting it together. One more slight issue, the U-bolts are too short because this axle tube is much bigger and so is the new mounting plate. I removed the lift block and put it together. Once I got it on the ground back on tires, I'm getting the vibe that I might just remove the 4" lift kit altogether. The truck only sits maybe 2" lower in the rear now. Here are some pics in the shop again.
http://i181.photobucket.com/albums/x...n/IMG_1631.jpg http://i181.photobucket.com/albums/x...n/IMG_1632.jpg http://i181.photobucket.com/albums/x...n/IMG_1640.jpg http://i181.photobucket.com/albums/x...n/IMG_1639.jpg http://i181.photobucket.com/albums/x...n/IMG_1643.jpg http://i181.photobucket.com/albums/x...n/IMG_1637.jpg |
Re: Finally starting my Longhorn 4x4 conversion
Here is another issue, kind of. This rear axle is quite a bit wider than a stocker too. It puts the tires out of the body a bit. But, at least you won't be able to see the front tires sticking out at the rear. I always hated that about these for sure. I have the rear axle close to where it goes, but just put it in and eye balled it in to get the truck in the shop.
http://i181.photobucket.com/albums/x...n/IMG_1635.jpg http://i181.photobucket.com/albums/x...IMG_1636-1.jpg http://i181.photobucket.com/albums/x...n/IMG_1634.jpg http://i181.photobucket.com/albums/x...n/IMG_1633.jpg I think I can live with it due to the price to narrow it and my options for strong rear axles. Now for the height issue. I was thinking about removing the 4" lift from the front, but that is more work. :lol: I'm thinking about getting a smaller block for the rear to level it out and call it good. I'm guessing 2" would be plenty. It is really hard to see the difference in these pictures, but here are a few more. http://i181.photobucket.com/albums/x...n/IMG_1642.jpg http://i181.photobucket.com/albums/x...n/IMG_1641.jpg http://i181.photobucket.com/albums/x...n/IMG_1643.jpg Hopefully this week I can get the engine positioned where I want it and try to get this truck running. That will be a big hurdle to jump! |
Re: Finally starting my Longhorn 4x4 conversion
She's lookin' good!
You said that you bend the leaf springs when you were trying to take them off the axle? That is crazy those are some huge springs. |
Re: Finally starting my Longhorn 4x4 conversion
I didn't bend the spring, I bent the leaf spring mounting pad that is welded to the axle tube. You can kind of see it in this pic. There shouldn't be a gap in between the leaf spring and that perch.
http://i181.photobucket.com/albums/x...n/IMG_1637.jpg |
Re: Finally starting my Longhorn 4x4 conversion
Oh ya, that's not good.
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Re: Finally starting my Longhorn 4x4 conversion
gonna be a great truck when done. very cool. did you use the 2wd spring hangers off a gmc for the rear? some people say if you do that you have to use 4" of block or spring lift to sit to the stock height?? Interested in what you did for a buddy!! again, great job!!
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Re: Finally starting my Longhorn 4x4 conversion
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Re: Finally starting my Longhorn 4x4 conversion
Why not build the mounts out of 2by or 3by tubing on the axle? Just notch and drill the pilot hole then weld em on! You could play with tube measurements to get rid of blocks completely and have a bit more lift than the stock mounts...
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Re: Finally starting my Longhorn 4x4 conversion
Man, that's a good idea! I just might have to try that. I'll have to see how much lift it needs and go from there.
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Re: Finally starting my Longhorn 4x4 conversion
I see people do it all the time with 2x2 .250 tubing, no reason you couldn't do 2x3 or anything else like that. Good Luck with your decision, I'm sure you won't under-do it!:uhmk:
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Re: Finally starting my Longhorn 4x4 conversion
Thanks for the idea, I don't know why I didn't think of it. This will save me money by not having to purchase the spring pads and lift blocks. I was looking at some from ballistic fab so I think I'll try to model the ones I build off of them maybe.
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Re: Finally starting my Longhorn 4x4 conversion
it will put more load on the springs twisting them when accellerating and braking
there a couple of guys here in holland that send the leafsprings out the company replaces the top leaf with the mounting eyes for a longer one add one more leaf for height and arches the ones below a bit extra , its not realy expensive and a bit better resisting the loads put on it and gives about 2 inches extra lift |
Re: Finally starting my Longhorn 4x4 conversion
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And another thing, the taller perch should be stronger than a short perch and block due to the new perch being one piece. |
Re: Finally starting my Longhorn 4x4 conversion
Lookin good Ryan!
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Re: Finally starting my Longhorn 4x4 conversion
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While searching this board, I found a pic of another 4x4 to show what I mean by the rear tires sitting clear in the wheel wells on these years of trucks. The top pic is the opposite side of mine but you can get the idea. Notice how the front tires stick clear out on the white truck compared to the rears. That is just how these trucks are stock.
http://i181.photobucket.com/albums/x...n/IMG_1643.jpg |
Re: Finally starting my Longhorn 4x4 conversion
Yeah, the front track width has always been wider than the rear on SFA trucks. Even more noticeable on the ½ tons. Not too sure I like the wide Dodge D80 axle in the rear of an old GM truck though….too wide for my taste. I guess I am just too used to the goofy look of the wide axle in front :crazy:
I wouldn’t mind using a late model GM 10.5 or 11.5 axle to gain rear disks along with the nifty park brake set up but I can’t live with the width issue. I am sure different wheels and fender flares would change the look a lot though. Your truck is coming along great! Not too sure about that width of that rear axle though. :ito: |
Re: Finally starting my Longhorn 4x4 conversion
I think I'll get used to it because the D80 is still stronger than a 14 bolt. Besides with it being this wide, I may eventually end up doing a DRW 4x4 conversion to make it like 72Freak's blue 68 truck he sold this summer.
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Re: Finally starting my Longhorn 4x4 conversion
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Below is the most common failure I see on my fleets running D80’s. The axle shaft bolts shears off in the hub. I never understood why Dana builds this big beefy axle with huge shafts, etc then uses the same little tiny 7/16 bolts at the axle flange that they use on a D60 and 70. These little bolts are the fuse of the entire axle. Heck, the 14 bolt FF had ½ axle flange bolts! Compare them next time you have a chance. Ring gear wise, the D80 is a beast! Good stuff. I wouldn’t go as far as to say it is stronger than a 14 bolt FF though. http://farm6.static.flickr.com/5208/...9bf3d919a9.jpg http://farm6.static.flickr.com/5281/...90a019c306.jpg |
Re: Finally starting my Longhorn 4x4 conversion
shouldnt be too hard to remove that weak link by boring and tapping the holes bigger and mount stronger hardware
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