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Old 02-15-2010, 09:16 PM   #51
68SWB4x4
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Re: 68 GMC 4x4 Suburban build up

Got the Dana 60 in. Well shocks and steering, brakes, driveline and it still has dually hubs but I just wanted it off jackstands








Damn that little bit narrower that the 67-72s are makes this a *****. Plus the weight of the dana 60. Just stayed calm. Pry bar here, mini sledge there, a kick or two for good measure and I got everything lined up. Pretty happy right now. Trying not to think to far ahead for everything else that still needs to be done!
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Old 02-18-2010, 01:12 PM   #52
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Re: 68 GMC 4x4 Suburban build up

your making good progress keep it up
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Old 02-18-2010, 03:43 PM   #53
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Re: 68 GMC 4x4 Suburban build up

thats going to be a great rig once its done.
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Old 02-18-2010, 06:23 PM   #54
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Re: 68 GMC 4x4 Suburban build up

Thanks guys I am looking forward to when it is done!

I am not looking forward to adding p/s to the flat 68 frame. If anyone has tips on the best way to dimple the frame I would appreciate it.
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Old 03-03-2010, 04:01 PM   #55
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Re: 68 GMC 4x4 Suburban build up

Been prepping the 87 1 ton to tear apart and pull the drivetrain and scrap the thing so I can get some more room.

Found some well used 315/75/16 (35) BFG Mud Terrains for 100 bucks so at least it will have the right size tires while its sitting around.

Going to have them mounted on some 16x8 steel rims off my old 95 gmc.

Also found this steering wheel in the dirt amongst some of my stuff. I cleaned it up last night. Even matches my interior!



Really wanting to get some work done on it but its been raining a ton here!
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Old 03-13-2010, 10:24 PM   #56
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Re: 68 GMC 4x4 Suburban build up

Well it is a 68 4x4 but it has the same problem as the 67 where the frame is not "stamped" for p/s I know you have to drill a few new holes and heat the frame up and pound it in to clear the p/s gearbox or add some sort of spacer. I don't think a spacer is a good idea with the frame cracks in these trucks. But My question is what of the orignal three holes do you go off of? I was able to get it in with the two bolts closest to the firewall top and bottom but it doesn't seem right. the bottom front bolt hangs below the frame and the angle doesn't seem right to the steering shaft. Took some pics to help you guys visualize it.

Some pics of successful installs would be appreciated!






Also pulled the hydroboost off the 87. For the people that have went to hydroboost how did they go about it? I know its not a direct bolt in from an 73-87 into a 67-72.

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Old 03-14-2010, 06:24 AM   #57
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Re: 68 GMC 4x4 Suburban build up

check this out about hydroboost brakes
http://coloradok5.com/forums/showthread.php?t=130488
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Old 03-14-2010, 03:31 PM   #58
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Re: 68 GMC 4x4 Suburban build up

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check this out about hydroboost brakes
http://coloradok5.com/forums/showthread.php?t=130488
Thanks for the link, very informative about hydroboost and further cements my desire to run it since I got all the parts already

Doesn't deal with retrofitting to a 67-72 though so still looking for that info if anyone has done it. I know some of you guys have!
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Old 03-14-2010, 05:48 PM   #59
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Re: 68 GMC 4x4 Suburban build up

i wouldn't imagine it being that much harder...might have to do a little sheet metal fab...trial and error might be the way to go here. maybe i'll work on it when i get into my brake system. If i do, i'll post it up, but that won't be for a while.
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Old 03-14-2010, 09:10 PM   #60
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Re: 68 GMC 4x4 Suburban build up

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i wouldn't imagine it being that much harder...might have to do a little sheet metal fab...trial and error might be the way to go here. maybe i'll work on it when i get into my brake system. If i do, i'll post it up, but that won't be for a while.
It should be fairly easy. I pulled the vacuum assist booster off today and will fab up the hydroboost later this week hopefully.

I also picked up these 16.5x8.25 slot mags today off craigslist for 150. Not going to use them right away but I always liked this style rim and they are hard to find in 8 lug so I jumped on the deal.

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Old 03-14-2010, 09:47 PM   #61
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Re: 68 GMC 4x4 Suburban build up

nice find...I style need to find some 3/4 ton running gear for my 67...maybe i'll just go tons on my blazer and put the 3/4 tons on my 67 hrmmm...make sure to keep us posted on the hydroboost install...i'd like to see how you went about it
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Old 03-14-2010, 10:32 PM   #62
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Re: 68 GMC 4x4 Suburban build up

FYI, 16.5 tires are getting hard to find. And expensive.
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Old 03-15-2010, 01:47 AM   #63
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Re: 68 GMC 4x4 Suburban build up

not too bad...i'm runnign 16.5's on my 85 blazer and i have no problem getting the tires i use, but i'm runnin 40's so they're all gonna cost a little bit
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Old 03-15-2010, 04:14 PM   #64
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Re: 68 GMC 4x4 Suburban build up

I will cost me $750 to $1K before tax to get tires for mine. That is a little steep right now.
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Old 03-15-2010, 05:33 PM   #65
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Re: 68 GMC 4x4 Suburban build up

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I will cost me $750 to $1K before tax to get tires for mine. That is a little steep right now.
what kind of tires...i still haven't decided on what tires to go with. I don't want anything like Swampers/Boggers...i'll save those for my blazer (wheelin rig) but i never liked the look of All Terrains either, so i'm looking for something in the middle like an Goodyear MT/R or BFG KM2 or something like that, but i want them to last a couple of years. I also want to buy American made too, so it's a little limited in my choices, but not by far. I'll be going with 35's on 15" rims
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Old 03-15-2010, 09:28 PM   #66
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Re: 68 GMC 4x4 Suburban build up

$750 or so is for the Mastercraft (?)
$900 or so is for the BGF A/T and ProComp A/T
$1K or so is for the ProComp Mud
All D rated. All 33/16.5/12.50.

So for a moderate tire, it is a lot of coin for a guy out of work. I think I will search for used tires.
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Old 03-16-2010, 10:31 AM   #67
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Re: 68 GMC 4x4 Suburban build up

Kalle,

Got a couple of questions for ya...hope you're up for the challenge.

First i was gonna address the rearend of your burb. Looks like the shackle flip-n-switch went in nice, i see in your pictures tho that the tires don't appear to be centered in the wheel well



and i'm not sure if this has anything to do with the shackle angle, but is it just me or does it look too straight up and down



Are the stock rear springs centered on your burb?

Also what do your 52's measure from center pin to bolt hole on each side? cause it looks like your front is centered nicely from the picture i saw with the d60 under it and tires.

Thanks,

Jack
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Old 03-16-2010, 02:23 PM   #68
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Re: 68 GMC 4x4 Suburban build up

the shackle flip moves the tires forward about an inch I will address this when I swap the 14 bolt in the back. Kurt at DIY4X sold me a 1" block that has 3 different holes to move the axle back to line it up.

I'll measure my 52s I used in the front. They are stock springs off a 84ish gmc jimmy.
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Old 03-16-2010, 02:25 PM   #69
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Re: 68 GMC 4x4 Suburban build up

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Originally Posted by ERASER5 View Post
FYI, 16.5 tires are getting hard to find. And expensive.
I will probably get some used 37" goodyear military tires.
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Old 03-16-2010, 06:33 PM   #70
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Re: 68 GMC 4x4 Suburban build up

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the shackle flip moves the tires forward about an inch I will address this when I swap the 14 bolt in the back. Kurt at DIY4X sold me a 1" block that has 3 different holes to move the axle back to line it up.

I'll measure my 52s I used in the front. They are stock springs off a 84ish gmc jimmy.
hrmm...well while you're out there can you measure the rears as well...i need to know if our truck springs are centered, and if you still have the stock fronts can you get those...i'll buy you a drink if we cross paths
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Old 03-16-2010, 07:12 PM   #71
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Re: 68 GMC 4x4 Suburban build up

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hrmm...well while you're out there can you measure the rears as well...i need to know if our truck springs are centered, and if you still have the stock fronts can you get those...i'll buy you a drink if we cross paths
I will probably be near my truck tomorrow if so I'll measure everything up. It would be good info to just have anyways.
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Old 03-16-2010, 08:54 PM   #72
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Re: 68 GMC 4x4 Suburban build up

thanks kalle..i appreciate it...here's a (really) crued drawing i whipped up in paint at work real quick of the dimensions i'm after for visual reference

i'm starting a thread about this for differant springs and such to do a spread sheet can you add the data to the thread in this link?
http://67-72chevytrucks.com/vboard/s...d.php?t=392551

Dimensions:
(Green) - D1:
(Blue) - D2:
(Brown) - D3:
(Purple) - D4:
(Yellow) - D5:
(Brown + Purple) - D6:

Front of the truck is on the left and this is for the front and rear

If you can get D1, D2, & D6 off the stock front i'd appreciate that too...

I'll do a write up on it and store it and post it for tech purposes and tag it that way future 67 & 68 owners can have this information

Thanks bro
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Old 07-10-2010, 11:09 AM   #73
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Re: 68 GMC 4x4 Suburban build up

Any updates on the suspension? I'm liking the shackle flip and b52s.
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Old 07-10-2010, 02:34 PM   #74
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Re: 68 GMC 4x4 Suburban build up

I just put the dana 60 dually front and a 14bolt dually rear under a 69 K/20 frame and built this truck.

The front end was a bolt in.


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Old 07-12-2010, 10:36 PM   #75
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Re: 68 GMC 4x4 Suburban build up

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Any updates on the suspension? I'm liking the shackle flip and b52s.
Thanks man, no updates yet sorry! I've been in the process of moving and bought another car for a driver which turned into a bigger project than I thought! But I plan to get back on it soon!
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