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Old 04-12-2014, 06:25 PM   #1
OKGMC4
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Mr Green Jeans - the 69 (or not) chevy, er gmc, project

Been driving the 56 gmc with C4 suspension and a 5.3l for a couple years now and I'm itching to do something bigger, flashier, and definitely faster. Problem is, I'm pretty much always broke and nobody in the family wants to see me sell ol' orange. My parents felt sorry for me and my dad has like 15 cars sitting around so in their infinite kindness thay gave me a 69 chevy longbed. Sure the cab is rusted out like swiss cheese, and the steering is downright dangerous, and the 250 engine eats a quart of oil every 50 miles (when it starts) but hey, it's got a title and the price is right...right?
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Old 04-12-2014, 06:33 PM   #2
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Re: Mr Green Jeans - the 69 (or not) chevy, er gmc, project

My dad also had an extra cab in the back and so it will get worked over in my garage and then set on the frame. Got the drip rail shaved, some of the firewall smoothed, and the cowl panel shaved as well. Had to replace the rockers, seems like a standard procedure on these trucks.
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Old 04-12-2014, 06:36 PM   #3
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Re: Mr Green Jeans - the 69 (or not) chevy, er gmc, project

Knowing how much I'd prefer a gmc to a chevy my uncle Rick has offered up a 68 gmc clip free of charge. I just have to figure how to get it 800 miles from ohio to oklahoma.
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Old 04-12-2014, 06:38 PM   #4
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Re: Mr Green Jeans - the 69 (or not) chevy, er gmc, project

Ok, a long bed will just not do. In fact a standard short bed will just not do. The frame was stripped down...
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Old 04-12-2014, 06:52 PM   #5
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Re: Mr Green Jeans - the 69 (or not) chevy, er gmc, project

...and 15 inches cut out of it. I know that's 3 more inches than standard but it's part of the master plan. I may leave the area rear of the wheels alone after cutting the usual 6 inches, or I may take 1 or 2 extra. Not sure yet.

Set the cab back on to check firewall clearance. You may have noticed that's not the original 6 holer. Purchased a high mileage 5.3 and 4L60E trans for about $500. Will go through it, and the plan is ported heads and a cam with some doug thorley headers. Can't nail down the engine placement until the headers and BH Custom Designs engine / coil covers get here this week.

When I do that I will also bolt in all my suspension parts before it makes the trip from my dads shop to my house. 4.5/6 drop with spindles and springs with an ECE panhard bar. Got a small sway bar at the junkyard for $20. The A arms are 73-87 units I rebuilt because I also plan to try a rack swap using a Dodge Dakota rack. The dakota tie rods use the same size rod ends as the 73-87 drop spindles and the width looks to be perfect.
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Old 04-12-2014, 09:00 PM   #6
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Re: Mr Green Jeans - the 69 (or not) chevy, er gmc, project

Despite the fact that my mom has always called this truck mr green jeans, it will in fact have zero green on it when complete. After welding in the floor braces that were rotted out I put a little color on the underside. Frame will get the same treatment.

Just to be different I really wanted to change up the dash. I've seen about a billion 67-72 dashes and they look great but I like the 60-62 chevy dash better because it reminds me a bit of the old corvette double hump dashes. When I'm done with it there won't be a whole lot stock going on there and I hope I can do the Dakota Digital VHX gauge set when the time comes.
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Old 04-12-2014, 09:27 PM   #7
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Re: Mr Green Jeans - the 69 (or not) chevy, er gmc, project

Good looking build. Subscribed
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Old 04-20-2014, 07:55 PM   #8
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Re: Mr Green Jeans - the 69 (or not) chevy, er gmc, project

Got some engine and coil covers from BH Custom Designs and I'm happy with them. They are pretty fancy and well made.The only downer is that the top cover rear bolt hole doesn't line up with anything on the rear of my 99 intake. Maybe other years are different. Easy fix to drill another hole, but still.

Don't know if any one has thought of this but there is no provision for the oil cap. That means to fill oil you have to remove the top cover so you can remove a coil cover so you can fill it up.

The one change i may make is that the covers use aluminum tube spacers to hold them off the intake and valve covers. The problem here is trying to hold the tubes in place while starting bolts. I think I'll tack weld some steel tube under there to make the install easier.

Another observation is that the engine has to be pretty far forward to clear the firewall. These things have a pretty big footprint. I ended up with V8 engine brackets in the forward holes and the ebay adapter plates on the block in the front holes(which pushes the engine back some). I had the engine about 3 inches back with 6 cyl brackets before but making it pretty won over maximum engine setback. To be honest, It doesn't sit any farther forward than a stock 350 does in these trucks.

Sorry the pics didn't turn out any better.
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Old 04-20-2014, 08:00 PM   #9
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Re: Mr Green Jeans - the 69 (or not) chevy, er gmc, project

Got a better side pic. Think it's hard to tell it's 3 inches shorter than a stock short bed at this point. What amazes me is that the the weight of the engine and cab wouldn't even push the A arms off the rubber snubbers with the 6 cylinder springs.
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Old 05-03-2014, 08:23 PM   #10
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Re: Mr Green Jeans - the 69 (or not) chevy, er gmc, project

Been working on the 5.3 harness. This doesn't seem to be a bad job at all, using the LT1swap.com website for help. Looking at what's taken out, seems like I took out half the wires. Just have to add a fuse block and two relays now.
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Old 05-03-2014, 08:38 PM   #11
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Re: Mr Green Jeans - the 69 (or not) chevy, er gmc, project

Getting the frame tomorrow. That means the 56 has to go live at my dads place for awhile because my garage just won't fit both trucks. Since I won't be driving the truck for a bit, in celebration, I went to a Pontiac/ GMC show and drags today. Saw some cool cars and finally got to see what she'd do in the quarter. I'm the right lane, number 515. Not bad but not good enough. It's a stock 5.3 with 3.08 gears, what do you expect? The 69 will be MUCH faster. It's going to have more compression, more cam, more gear, better heads, and more stall.
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Old 05-04-2014, 12:08 AM   #12
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Re: Mr Green Jeans - the 69 (or not) chevy, er gmc, project

Good looking start!!
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Old 05-04-2014, 04:11 PM   #13
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Re: Mr Green Jeans - the 69 (or not) chevy, er gmc, project

Now for the dirty work....
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Old 05-04-2014, 04:29 PM   #14
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Re: Mr Green Jeans - the 69 (or not) chevy, er gmc, project

Nice looking project, really like the engine and coil covers
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Old 05-08-2014, 07:59 PM   #15
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Re: Mr Green Jeans - the 69 (or not) chevy, er gmc, project

Feel like I'm trying to fix my earlier mistakes. When I bought an aluminum tank for my 56 it just seemed way too expensive. I'm going to try a TANKS INC tank for a 49-51 Ferd that's less than half the cost. It will be tight front to rear. I had cut the 8 inches off the rear frame in anticipation of bed shortening but really need a tiny bit back. I can weld it back on and re-cut or try notching the panhard brace a bit to see if it will clear. Then I can build a new rear brace. I like that it will never rust and hangs down WAY WAY less than a blazer tank.
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Old 05-08-2014, 08:04 PM   #16
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Re: Mr Green Jeans - the 69 (or not) chevy, er gmc, project

Another thing I want to do different is the exhaust. Before, I did a quick and dirty slip fit and weld dual exhaust. It's functional but I really wanted an X pipe. This is FAR more complicated but hopefuilly the completed product will look and sound better. I may even have the pipes ceramic coated for longevity since there will be about 100 butt welds.
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Old 05-21-2014, 07:21 PM   #17
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Re: Mr Green Jeans - the 69 (or not) chevy, er gmc, project

I want a side exit exhaust and going around the swing arm suspension is a drag. I'm going through the frame. Don't want to see exhaust hanging down. The pipe is 1/4" wall 4 inch inner diameter. It will be boxed. I am also using this same pipe to do a small pipe notch in the rear.
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Old 05-21-2014, 07:26 PM   #18
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Re: Mr Green Jeans - the 69 (or not) chevy, er gmc, project

I've seen people ask how to get rid of the evap solonoid in a 5.3 or 6.0 swap. The simplest answer is best. Some cap the line. In my case it needs to go for the covers to fit properly. The hole is the perfect size to use a 1/4" NPT pipe plug. Tap it (I had to use a 12 point socket to get in there, install it, and forget it.
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Old 05-22-2014, 06:36 PM   #19
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Re: Mr Green Jeans - the 69 (or not) chevy, er gmc, project

Small progress...
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Old 06-08-2014, 08:32 AM   #20
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Re: Mr Green Jeans - the 69 (or not) chevy, er gmc, project

Made an X member out of 1x2 12 gauge to brace the frame some. I know it looks like the Hotchkis truck brace, that's where I go the idea. Also working on how to mount the poly tank.
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Old 06-15-2014, 03:58 PM   #21
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Re: Mr Green Jeans - the 69 (or not) chevy, er gmc, project

Started trying to get the 2000 Dakota rack in. The length appears to be dead on. Everything lines up well enough to give me hope that it will work. I made a cardboard template and then cut out a bracket in 3/16" steel. It will need adjustment but right now nothing hits anything else. This thing is about 2 3/4 turns lock to lock, the dakota had a saginaw style steering pump so pressure should be similar, and the tie rod ends are the same taper as my 73-87 drop spindles. 67-72 spindles are made for smaller tie rods. If this works it will be worth every penny of the $30 I paid for it.
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Old 06-15-2014, 08:36 PM   #22
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Re: Mr Green Jeans - the 69 (or not) chevy, er gmc, project

Looking good!
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Old 06-16-2014, 09:38 PM   #23
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Re: Mr Green Jeans - the 69 (or not) chevy, er gmc, project

My X pipe is about ready. Also made a tiny progress on the rack. I centered it very carefully, then shimmed it up with a piece of 1/8" bar stock. Then I drilled a 3/8" hole in the middle of the bracket and through the K member to locate it permanently. I couldn't reach the bolt through the K member because of 1. fat arm, or 2. short fingers, not sure which. So... I used some electrical tape to hold a nyloc nut in my gear wrench and fished it in there through the side. The reason I shimmed it up and then bolted it in place was to allow me to rotate the bracket, to level the rack before I finish the bracket out and start welding. By the way, the 5/8 x 3.5" grade 8 bolts that hold the rack are not very cheap. That gold finish sure is shiny, but it's not as though they are real gold...
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Old 06-17-2014, 11:11 PM   #24
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Re: Mr Green Jeans - the 69 (or not) chevy, er gmc, project

Couple of small tabs to locate the top and a couple welds at the bottom corners and it's solid now. Tried to get a shot of the access to the nuts in the back. Easy to get to. This rack shows to come in all 97-04 2wd Dakotas and seems like a no brainer. It practically installed itself. Now I just have to work out the steering linkage and pressure hose.
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Old 06-24-2014, 05:26 PM   #25
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Re: Mr Green Jeans - the 69 (or not) chevy, er gmc, project

Another thing I'm going to try is a rear disc conversion using 99-04 Grand Cherokee disc brakes. They are the 5 on 5 bolt pattern and parts were easy to find. New rotors were only a couple dollars more than junkyard pieces but I had to have the center hole machined out some to fit the new axles. The center hole of the backing plate had to be machined out a hair more than .25" to fit the axle housing. Looks like so far so good and I have about $150 in all the parts, e brake and all. These use a shoe style e brake and the lines look like they may even fit the stock holes in the rear control arms. Very exciting...
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