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#76 |
Registered User
Join Date: Jul 2010
Location: Sierra Vista, Arizona
Posts: 79
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Re: '63 GMC 4x4 "Just Because I can" Build
Just a quick update, I was out of town for a week so I haven't gotten much done on it, and the rain has made all of the previously clean tube get surface rust....
![]() I decided to redo my bell housing mount, I really wanted something that would replicate the stock cross member in that it would keep the frame from twisting where the shackles are. I'm not completely done with it yet, still have to add another short piece of tube going from the bottom corner of the frame rail up to the main tube. Also got the tabs for the poly bushings tacked in place, with a strap that will reinforce everything in this area. I will plate both sides in completely to make it look finished, again they are just tacked in place for now. Also have to do a little more grinding on the brackets that bolt to the bell housing to make them look cleaner. ![]() Have about ~3/16''-1/4'' of clearance between the tube and the bell. The tube is 1.75'' by .120'' wall. ![]() ![]() And the dust cover does fit with a slight squeeze, and there is about 3/16'' clearance between it and the tube. (It's just loosely attached for the picture) ![]() I cut the rear trans mount cross member apart and welded on some bolt together flanges. And I figured I might as well add a drive shaft safety hoop while I was at it, which will also stiffen up that cross member. All of the tube is 1.75'' by .120'' wall. This will get another tube aimed down and forward at the trans for the rear trans mount. ![]() Also note the cool bracket I cut out on the PlasmaCAM for the rear of the SM465, it will have a couple tabs welded to it for a poly bushing. ![]() And again with the rear mount bracket for the SM465 ![]() It fits perfectly but looks a little bit funky, I went kind of overboard with the radius between all of the holes because I was thinking that bearing retainer/back cover plate had more meat to it than it actually did, but at least it wont trap dirt in there. ![]() ![]() And that's all for now folks, I should have some more updates later on this week.
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'63 GMC K20 Work In Progess - 350/400/205/HO72-60/HO72/52's/56's "Because I can" ![]() |
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#77 |
Registered User
Join Date: Jul 2010
Location: Sierra Vista, Arizona
Posts: 79
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Re: '63 GMC 4x4 "Just Because I can" Build
Progress has been a bit slow lately, got another job so progress may be slow for a while, but should pick back up once I go back to school in the fall. Only thing I managed to get done was cut out plates to box the frame in on both sides behind the motor mount cross member, and got 1 side cut to box the frame from the shackle mounts to just behind the rear cab mounts. Still have to cut some half circles along the edges of the plate so I don't turn the frame into a dirt trap. Only 1 pic for now. Hopefully I can get the other side done soon, get it painted, and set the cab down on the frame for good sometime in the next few weeks. Hopefully I can get my Dana 60 outer parts for my Eaton/60 soon too and get it under the truck.
Plates aren't finished yet, just checking fit up... ![]()
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'63 GMC K20 Work In Progess - 350/400/205/HO72-60/HO72/52's/56's "Because I can" ![]() Last edited by 63GMCKid; 07-20-2012 at 05:52 PM. |
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#78 |
Registered User
Join Date: Sep 2010
Location: Hancock Md
Posts: 403
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Re: '63 GMC 4x4 "Just Because I can" Build
Amazing work man! I had a 305v6 63 gmc stepside 4x4 and always hope to get another one (if I ever do it is going to be 478V6 4spd truck lol). I was wondering if you dont want a lift block in rear why not do a shackle flip like alot or us 73-87 guys do, you could make the rear mount yourself and I think the trucks ride bit better like that.
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#79 |
Junk Yartist
Join Date: Jul 2009
Location: Greeley, CO
Posts: 2,203
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Re: '63 GMC 4x4 "Just Because I can" Build
Hey man, seems like a lot of threads on pirate and other 4x4 boards say the tubes can't take the stress as a front. I really hope that's not true! I have a HO52 waiting to become a front once i get to that point. Didn't Napco use Eatons up front?
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-Jeremy YOU ONLY FAIL IF YOU STOP TRYING 70 Crew Cab Build Link 70 GMC Suburban 4X4 build thread 95 Yukon Daily Driver Rebuilding an NP205 |
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#80 | |
60-66 Nut
![]() ![]() Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,247
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Re: '63 GMC 4x4 "Just Because I can" Build
I know the 1/2 ton Napco's used the same Eaton HO32 third member, and what appeared to be essentially the same housing as the rear. Of course the center was offset to the pass side. I would imagine the 3/4 tons would have used the Eaton HO52/72 on the front in the same way.
Quote:
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Power Steering Box Adapter Plates For Sale HERE Power Brake Booster Adapter Brackets For Sale '63-'66 HERE and '67-'72 HERE and '60-'62 HERE and "60-'62 with clutch HERE Rear Disc Brake Brackets For Sale. Impala SS calipers HERE Camaro Calipers HERE D52 Calipers HERE 6 Lug HERE Hydroboost Mounting Plates HERE |
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#81 | |||
Registered User
Join Date: Jul 2010
Location: Sierra Vista, Arizona
Posts: 79
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Re: '63 GMC 4x4 "Just Because I can" Build
Quote:
I decided against a shackle flip because this truck will be used to tow stuff that I can't with my daily driver (1990 2wd 1500 Suburban), like my tractor or anything else too heavy for my 'Burb. Shackle flips are known to be iffy for towing if not set up right. Not to say that a compression shackle is bad, a lot of the later dodge trucks (like 3rd gen and up I guess?) use a compression shackle, but they are set up for it from the factory, and the angle of the shackle has a lot to do with that too (again, they are set up right from the factory). The problem with towing with a truck that has a shackle flip with a shackle angle that is accepted as correct to the off road crowd (generally something like 30* back) is that the weight of the truck is forcing the shackle to move and flatten the spring, it makes it feel very spongy/flexy, that's why it works good offroad, bad when towing, any extra weight just applies more leverage to the shackle to flatten out the spring. In a tension shackle, the weight of the truck is naturally trying to keep the shackle vertical because its pulling down and forward on the shackle against the spring, so it doesn't get spongy with more weight, making it safer for towing. Quote:
Quote:
And yes, the Napco 4x4 conversion trucks of the 50's had a Napco Eaton front axle. I know for the 3/4 tons they used the HO52/72 diff, with closed knuckles and Rzeppa joints (Similar to a Birfield/CV) and they had the diff on the passenger side. EDIT: I've seen it mentioned on Pirate that 14BFF tubes are weak and bend easily and more so in a front application, but never seen any mention of that for an Eaton front. There is a guy on Pirate who used a Napco Eaton front axle in his build, did a cut and turn, and a rebuild, and I don't remember reading anything about him being concerned about the tube strength. As far as I know, I'm the only one on Pirate who has built an Eaton front using as much of the original tubes as possible, the other guy that is building an Eaton/60 front used D60 tubes welded to just the center section of the Eaton housing, and I don't believe he is finished yet. Really we are in uncharted territory with the Eaton front axles because the Napco front axles are so rare and myself and 1 other guy so far are the only ones I know of to build an Eaton/60, so it's really more of an experiment at this stage, it's not proven like a 14b front which has been done hundreds of times before. If you are planning on building one, I would dive right into it, go at it however you think it should be done. There is no right way or wrong way at this stage, my Eaton front is built in a much different way than the other one on Pirate, either way is good if care is taken to make everything turns out right without cutting corners. I just did what worked best for me with the tools (and budget) I had available.
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'63 GMC K20 Work In Progess - 350/400/205/HO72-60/HO72/52's/56's "Because I can" ![]() Last edited by 63GMCKid; 08-07-2012 at 09:06 PM. |
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#82 |
Registered User
![]() Join Date: May 2007
Location: Deale Md
Posts: 4,663
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Re: '63 GMC 4x4 "Just Because I can" Build
Everything looking good.
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James 63 GMC V6 4speed carryall 65 chevy swb bbw V8 auto 68 K20 327/4 speed, buddy buckets 2002 GMC CC Dually Duramax 64 GMC lwb 3/4 V6 4speed SOLD 66 GMC swb bbw buddy buckets SOLD IG duallyjams The only thing that stays the same is constant change! |
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#83 |
Junk Yartist
Join Date: Jul 2009
Location: Greeley, CO
Posts: 2,203
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Re: '63 GMC 4x4 "Just Because I can" Build
I can't find the post on pirate again... if I do I will copy it to you. I don't care either way... I want to build an Eaton front for my Suburban.
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-Jeremy YOU ONLY FAIL IF YOU STOP TRYING 70 Crew Cab Build Link 70 GMC Suburban 4X4 build thread 95 Yukon Daily Driver Rebuilding an NP205 |
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#84 |
Registered User
Join Date: Jul 2010
Location: Sierra Vista, Arizona
Posts: 79
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Re: '63 GMC 4x4 "Just Because I can" Build
It's been a few months since I have even looked at this thread, I'll be getting the ball rolling on this truck again soon. Just received some caliper brackets and spindles for the Eaton/60 from the brown truck, school is starting up again and work has given me some extra funds, which means more cool parts coming soon!
This thing is what has been taking up most of my time lately, can't have too many toys as they say, an '01 Raptor 660, with some stuff done to it. To be honest, I got a bit burned out on this GMC project and needed a break with something new, a quad seemed to be the obvious choice, it's a blast. ![]()
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'63 GMC K20 Work In Progess - 350/400/205/HO72-60/HO72/52's/56's "Because I can" ![]() |
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#85 |
Second Chance Program
Join Date: Jun 2006
Location: Portland, OR
Posts: 2,642
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Re: '63 GMC 4x4 "Just Because I can" Build
I wanna move to AZ.
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90 Chevy Suburban 2500 5.3 swap/th400/np241/14bltSF/10blt. 77 C20 crew cab Silverado. 396/th400. In work. |
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#86 |
Registered User
Join Date: Nov 2012
Location: Miles City MT
Posts: 240
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Re: '63 GMC 4x4 "Just Because I can" Build
Very Impressed...! What a build!
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#87 |
Registered User
Join Date: Jul 2010
Location: Sierra Vista, Arizona
Posts: 79
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Re: '63 GMC 4x4 "Just Because I can" Build
Well with the spring warm up comes more work, more money, and more progress on the projects. This damn quad has still been sucking up most of my project money lately with a complete tear down, a "reliability rebuild" for the engine, and fresh powder coat and matte blue plastics. Otherwise known as the money pit, just a cool picture of it from the last time I rode my Raptor 660 before tearing it down a couple weeks ago. Now on to the good stuff, the GMC.
![]() Once again, I'll try not to say too much, and let the pictures do the talking. So I finally put the cab back on the frame. Haven't welded in the plates to box in the frame yet, but I needed to get the cab out of the way, and now would be a great time to put it on the frame. Gave me motivation to continue with it, I got rather burned out, the quad helped with that some, but nothing helps more with motivation for a burned out project than just doing something with it. Ignore the duct tape on the windshield, the windshield is not actually in place, its just sitting there, the duct tape is to keep it from falling off when I move it. Looks much better with the cab on the frame now with the 52's in the front to level it out and the 3/4 ton 56's out back. Sits level, shackle angle is pretty good, should be perfect once it has more weight on it. ![]() Tons of room behind the engine to get a ratchet on the bell housing bolts, sticking to the ease of maintenance theme here. ![]() Now I know this next picture is going to make a lot of you guys cringe, but it had to be done.... hacked up the perfect floor just to have a flat bottom frame. Divorced 205 in place, fits pretty good, but I have to redo my e-brake caliper bracket, caliper does not clear the rear structural member of the cab, and I would rather not hack that up. (e-brake caliper bracket removed in these pictures, had to take it off to get the 205 in) ![]() Beef, it's whats for dinner. ![]() ![]() 1410 slip yoke assembly on the left, notice the width difference of the yoke compared to the 1350 on the right. That cast 1350 bolt yoke will probably find its way to the front drive shaft if I buy another flange from WFO. ![]() And the big haul for the winter, scored a 42'' x 96'' x 3/8'' thick piece of 2024 aluminum, which has all the strength of 7075, but slightly cheaper due to being less corrosion resistant, for cheap. Traded a 14bff housing for it, not a bad deal right? ![]() ![]() One more good score for this update, picked up a pair of Eaton HO72's for $100, one is out of a '68 Chevy 3/4 ton with 4.10's, and the other is out of a '54 Chevy 3/4 ton with 4.56's, both have the taper roller pinion bearing, unknown condition on the inside currently, but for $100 I couldn't pass them up. ![]() And that's all for now folks! Once I finish up with a couple other small projects, it's back to working on this one as much as possible, so stay tuned!
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'63 GMC K20 Work In Progess - 350/400/205/HO72-60/HO72/52's/56's "Because I can" ![]() |
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#88 |
Junk Yartist
Join Date: Jul 2009
Location: Greeley, CO
Posts: 2,203
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Re: '63 GMC 4x4 "Just Because I can" Build
Sticking around for the eaton front axle build still.
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-Jeremy YOU ONLY FAIL IF YOU STOP TRYING 70 Crew Cab Build Link 70 GMC Suburban 4X4 build thread 95 Yukon Daily Driver Rebuilding an NP205 |
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#89 | |
Registered User
Join Date: Jul 2010
Location: Sierra Vista, Arizona
Posts: 79
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Re: '63 GMC 4x4 "Just Because I can" Build
Quote:
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'63 GMC K20 Work In Progess - 350/400/205/HO72-60/HO72/52's/56's "Because I can" ![]() |
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#90 |
Junk Yartist
Join Date: Jul 2009
Location: Greeley, CO
Posts: 2,203
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Re: '63 GMC 4x4 "Just Because I can" Build
Yeah, that's the one thread on pIrate that I subscribe to. I am post as jwbennett there. I try not to comment there mostly because of the juvenile bickering that is so common. I have big plans for the Eaton I have for my Suburban.
Hey man, I started a thread on here a while ago that I think you could be a major contributor to. I haven't posted too much info as of yet, but here is a LINK
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-Jeremy YOU ONLY FAIL IF YOU STOP TRYING 70 Crew Cab Build Link 70 GMC Suburban 4X4 build thread 95 Yukon Daily Driver Rebuilding an NP205 Last edited by jbclassix; 03-04-2013 at 08:46 PM. |
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#91 |
Registered User
Join Date: Jul 2010
Location: Sierra Vista, Arizona
Posts: 79
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Re: '63 GMC 4x4 "Just Because I can" Build
I'll just leave this here.... The pictures of the Eaton60 can do the talking.
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'63 GMC K20 Work In Progess - 350/400/205/HO72-60/HO72/52's/56's "Because I can" ![]() |
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#92 |
high-Tech Red Neck
Join Date: Feb 2008
Location: Livingston, MT/On my boat WA/BC/AK
Posts: 2,294
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Re: '63 GMC 4x4 "Just Because I can" Build
Cool build man I am subscribed.
Some great fab work there.
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"He used to be a pretty nice feller, now he's a welder!" |
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#93 |
Junk Yartist
Join Date: Jul 2009
Location: Greeley, CO
Posts: 2,203
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Re: '63 GMC 4x4 "Just Because I can" Build
Hey man, any updates on the Eaton60?
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-Jeremy YOU ONLY FAIL IF YOU STOP TRYING 70 Crew Cab Build Link 70 GMC Suburban 4X4 build thread 95 Yukon Daily Driver Rebuilding an NP205 |
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#94 |
Registered User
Join Date: Jul 2010
Location: Sierra Vista, Arizona
Posts: 79
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Re: '63 GMC 4x4 "Just Because I can" Build
Nothing new lately other than I built a massive axle straightening/building stand out of a 14'' tall I-beam. The weather has been great here, which means I've been working on my quad to get it going again for summer riding, takes up most of the time I have off from work. Hopefully soon I'll have it under the truck.
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'63 GMC K20 Work In Progess - 350/400/205/HO72-60/HO72/52's/56's "Because I can" ![]() |
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#95 |
Registered User
Join Date: Jul 2010
Location: Sierra Vista, Arizona
Posts: 79
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Re: '63 GMC 4x4 "Just Because I can" Build
I just sold the cab, front clip, and frame for this truck, so the rest is being parted out. The front Eaton/60, rear Eaton HO72, and the NP205 transfer case are all for sale, along with other misc. parts from this truck. Please PM me if you are interested.
The build is over with folks, sorry to disappoint. Maybe if these axles sell to someone on here they will be put to good use.
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'63 GMC K20 Work In Progess - 350/400/205/HO72-60/HO72/52's/56's "Because I can" ![]() |
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#96 | |
Registered User
Join Date: Oct 2007
Location: Spanaway
Posts: 8,451
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Re: '63 GMC 4x4 "Just Because I can" Build
Quote:
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Mike. Swamp Rat build thread : http://67-72chevytrucks.com/vboard/s...d.php?t=595019 72 3/4T 4X4 4" BDS Lift 33" BFG's |
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#97 |
Post Whore
![]() Join Date: Mar 2013
Location: Southern Oregon
Posts: 10,384
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Re: '63 GMC 4x4 "Just Because I can" Build
Nice work on the truck!
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1966 Chevy C10 "Project Two Tone" http://67-72chevytrucks.com/vboard/s...d.php?t=596643 1964 GMC "Crustine" semi-build:http://67-72chevytrucks.com/vboard/s...d.php?t=665056 My youtube channel. Username "Military Chevy": https://www.youtube.com/channel/UC_h...fzpcUXyK_5-uiw |
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#98 |
Registered User
Join Date: Sep 2011
Location: Tacoma, WA
Posts: 2,425
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Re: '63 GMC 4x4 "Just Because I can" Build
I dont suppose that what is going on in your avatar pic happens to be the reason you are selling this off?
None the less, I am sorry to hear of you letting it go, you were doing some awesome work on it !!!!
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Michael McMurphy My 66 Stepside My 64 Tow Truck My 66 Tempest Table Of Contents Added to Page1 |
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#99 | |
Registered User
Join Date: Jul 2010
Location: Sierra Vista, Arizona
Posts: 79
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Re: '63 GMC 4x4 "Just Because I can" Build
Replied.
Thanks! Quote:
And thanks. Just to clear it up for everyone, there was a thread over on Pirate4x4 called something like "If you could start all over, what would you do differently". It opened my eyes big time, most of the replies were guys saying they should have just built a buggy in the first place, or left their truck alone, or not built it up so hardcore. After reading through that thread, I went outside and had a good long look at the truck, and thought "What the hell am I going to do with this thing when I'm finished with it?". What it really came down to is the fact that there isn't really much for decent four wheeling that is local to me, and it was just the wrong truck to do this sort of thing to. I thought if I laid it on its side on a trail and happened to break a windshield, its going to be expensive and difficult to replace, not to mention ruining good cab and front clip. It's too tall and flexy to be a good tow rig, and really not enough power either. I turned it into an impractical truck, and that's what caused me to lose interest. Once I got myself an ATV and started riding trails and going to the track, I realized how easy it is to have fun locally with these smaller toys. Most of my friends ride dirtbikes or ATV's or those RZR's, and there are tons of places to enjoy them just a few minutes from home. Not to mention they are quite a bit cheaper than an all out wheelin truck. I would have loved to finish it, but it's just not in the cards anymore.
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'63 GMC K20 Work In Progess - 350/400/205/HO72-60/HO72/52's/56's "Because I can" ![]() |
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#100 | |
Registered User
Join Date: Feb 2010
Location: Cruzeville
Posts: 219
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![]() Quote:
the main drag of all other axles is having to pay an axle guy to set the pinion preload is eliminated with these |
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