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Old 05-13-2009, 06:36 PM   #1 (permalink)
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CJ-7 on rocks build

Ok, made some progress on my little jeep the last couple weeks so I thought I would start a build thread and what better place than the mud forum! Body and frame is a CJ-7, not sure what year. Running 2.5 ton rocks welded rear, detroit front. Rear springs are 2-wheel drive s-10's. Front springs are '76 f-150 4x4 rears. I kinda just run what ever is in the backyard. Block in the pics are for mockup only. Running a 454, 10.1 comp, 586 lift cam, 781 heads. TH375 converted to 400 and 205. 1410 front and rear shafts. Right now the motor mounts are tacked in and plan to sit the tub on tomorrow to double check clearance. Front shaft is 4' long and rear shaft is 2'. Stretched the wheel base some but will have to measure that again tomorrow. The tires are 43x16r20 tractor tires that I got new with wheels so I couldn't pass on them. Cut centers from some duece wheels and burned them in. Lots of help from some buddy's and lots more work to be done but this little project will be finished unlike my old red extra cab.
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'91 k3500, 454, 4speed, 42" R-1's no lift
'97 z-71, 3" BL, 38" tsl radial, 454/th400
'97 tj, 2.5/auto, rubi 44/5.13/spartan, 8.8/5.13/spool,
34/10.50/16 ltb
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Old 05-13-2009, 06:47 PM   #2 (permalink)
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'91 k3500, 454, 4speed, 42" R-1's no lift
'97 z-71, 3" BL, 38" tsl radial, 454/th400
'97 tj, 2.5/auto, rubi 44/5.13/spartan, 8.8/5.13/spool,
34/10.50/16 ltb
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Old 05-13-2009, 06:53 PM   #3 (permalink)
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And the last pic is the project supervisor!
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'91 k3500, 454, 4speed, 42" R-1's no lift
'97 z-71, 3" BL, 38" tsl radial, 454/th400
'97 tj, 2.5/auto, rubi 44/5.13/spartan, 8.8/5.13/spool,
34/10.50/16 ltb
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Old 05-13-2009, 09:01 PM   #4 (permalink)
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Looks like a fun build. One suggestion: I would really beef up those rear spring mounts on the frame, they will probably rip off otherwise. They usually have some pretty cheezy welds from the factory. Just a thought.

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Old 05-14-2009, 09:25 AM   #5 (permalink)
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I like it. Cant wait to see some more progress!
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Old 05-14-2009, 04:27 PM   #6 (permalink)
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thanks, I plan to put a little more on those rear hangers when I build a crossmember for my anti-wrap bar in the rear. This a couple photos with the tub sitting on it. Didn't do much today, had a lot of running around to do. That is an efi distributor I stuck in the motor. I think the HEI dizzy's are a little bigger diameter on the cap so firewalll clearance might be tight. Also the big block might be a little closer on the valve cover and back of the head also. I will probably move the engine a couple inches forward and raise the t-case a little more. I just want to be sure that a 4-core radiator will fit in front with a manual fan. We will see.
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'91 k3500, 454, 4speed, 42" R-1's no lift
'97 z-71, 3" BL, 38" tsl radial, 454/th400
'97 tj, 2.5/auto, rubi 44/5.13/spartan, 8.8/5.13/spool,
34/10.50/16 ltb

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Old 05-15-2009, 06:25 AM   #7 (permalink)
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Looks like maybe you need to flip the rear center section so it will line up better??

Hard to tell from the pic

What's involved w/the 375 mod, just the tailshaft?
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Last edited by reddwarf; 05-15-2009 at 06:28 AM.
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Old 05-15-2009, 12:07 PM   #8 (permalink)
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Quote:
Originally Posted by reddwarf View Post
Looks like maybe you need to flip the rear center section so it will line up better??

Hard to tell from the pic
If he flipped the chunk then instead of the rear driveshaft being angled to the right it will be angled to the left, it really would not make a difference.
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Old 05-15-2009, 02:21 PM   #9 (permalink)
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What wheelbase are you shooting for?
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Old 05-15-2009, 03:32 PM   #10 (permalink)
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Yeah, flipping the chunk only works on a front axle. Not much I can do with the rear. Not sure on the wheelbase, didn't really have a set length I was shooting for just new I would need some extra in the rear for driveshaft length and wanted the front forward enough to help destribute the wieght a little better and wanted to definately clear the rockwell and the 454! Wasn't sure exactly how much front clearance I was going to have but looks like front clearance won't be a problem.
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'91 k3500, 454, 4speed, 42" R-1's no lift
'97 z-71, 3" BL, 38" tsl radial, 454/th400
'97 tj, 2.5/auto, rubi 44/5.13/spartan, 8.8/5.13/spool,
34/10.50/16 ltb
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Old 05-16-2009, 12:02 PM   #11 (permalink)
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What ever happened to your truck? im working on something similar to your truck build.
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UNDER CONSTRUCTION 94 Z71
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Old 05-17-2009, 05:31 AM   #12 (permalink)
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I kinda lost interest in my old red truck so I dismantled it and traded the rocks for a set of 1-tons I was gonna put under a real clean '85 c-10 I picked up. The more I thought about it, the c-10 was just to clean for it to be my sole offroader. I wouldn't just be able to run 1-tons and maybe 38's and keep it clean and streetable. So I picked up a cj tub and frame and started from there. I still am gonna convert the c-10 with the 1-tons, just have to get the cj finished first cause my little boy has learned to say jeep now and wantes to drive it!
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'91 k3500, 454, 4speed, 42" R-1's no lift
'97 z-71, 3" BL, 38" tsl radial, 454/th400
'97 tj, 2.5/auto, rubi 44/5.13/spartan, 8.8/5.13/spool,
34/10.50/16 ltb
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Old 05-18-2009, 07:08 PM   #13 (permalink)
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I was wondering where this thread was. Good to see you getting at something again. Get this one done eh.
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Old 05-18-2009, 07:32 PM   #14 (permalink)
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Yeah, glad to have something in progress again. This one definately will be finished. The way the economy has effected the oilfield, we have been laying people off since November, been wondering how long I was gonna makeit before I got cut. Got the call this morning from my boss, layoff. But I have a friend doing some contract work Directional Drilling and said he had some local work coming up in a couple weeks so maybe he can keep my working a few days a month until the oilfield pics back up and I can go back to work with my old company. Anyway, there is still a few things left that I can do to the jeep in the mean time but there is a lot of stuff left to buy that will have to wait till things get a little more steady for me. I have everything for my motor except for carb and all excessorys, just have to take it all to my engine guy for assymbly(might have to wait a little while now). All parts for the tranny are on hand for a full rebuild, but there is that assymbly fee again. Need seats, fuel and brake lines, all vital interior components, need to build driveshafts but I still have all my 1410 stuff left from old red. Still lots to do but it will be done and hopefully by the end of summer. Oh yeah, I was thinking of finding a cheap (damaged) hard top and and shorting it like a scrambler top. Back seat is out of the question cause I have to raise the gas tank to clear the rockwell and I am still not sure if I can trim enough of the grill to fit a chevy 4 core so it may have to go out back also.
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'91 k3500, 454, 4speed, 42" R-1's no lift
'97 z-71, 3" BL, 38" tsl radial, 454/th400
'97 tj, 2.5/auto, rubi 44/5.13/spartan, 8.8/5.13/spool,
34/10.50/16 ltb
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Old 05-20-2009, 04:06 AM   #15 (permalink)
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That is going to be one bad ass rig man, can't wait to see her going bro
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Old 05-20-2009, 12:53 PM   #16 (permalink)
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I would run your rad. in the back if this is a mud jeep.

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Old 05-20-2009, 08:49 PM   #17 (permalink)
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i thought about it but not that big of an advantage for me to run it in the rear by the time I have to run piping and buy a lift pump for it. I will have plenty of room in the front escpecially if i run electric fans. Just not worth it for me.
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'91 k3500, 454, 4speed, 42" R-1's no lift
'97 z-71, 3" BL, 38" tsl radial, 454/th400
'97 tj, 2.5/auto, rubi 44/5.13/spartan, 8.8/5.13/spool,
34/10.50/16 ltb
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Old 06-26-2009, 12:03 PM   #18 (permalink)
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any updates on this?
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Old 06-26-2009, 08:03 PM   #19 (permalink)
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Nothing lately, put this project on hold till I get another job. I got laid off a little while back. Got a 2 week job coming up next week so maybe things will be picking up soon. I did trade the chevy 205 that I was gonna run to a friend that was in a bind for it for some cash and his case. Same case except he needed mine to run with the 32 spine front output for the 1410 yoke. So this is the plan, use his TH400 205 and my adapter on my 4L80E in my '85 chevy when I get to that. I also picked up a short shaft TH400 from him in the deal to run a ford 205(I have it already) with a TH400/208 adapter that I have already. Just have to spin the front rockwell around to the ford side and this will be a little shorter setup giving some more length for the rear drive shaft. To save on the drilling and tapping for the ford case, I am going to get a clocking ring from DIY4X that is drilled to bolt the ford 205 behind the TH400. Sounds good on paper right.

P.S. On a side note, I went and picked up a '92 dodge today with a cummins and another cummins in the backend. This for a '97 tahoe that will have rocks and rice and cains!
I will start a thread on that when we actually get started on it.
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'91 k3500, 454, 4speed, 42" R-1's no lift
'97 z-71, 3" BL, 38" tsl radial, 454/th400
'97 tj, 2.5/auto, rubi 44/5.13/spartan, 8.8/5.13/spool,
34/10.50/16 ltb

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Old 09-15-2009, 10:52 PM   #20 (permalink)
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Still no progess on the CJ, but to breath a little life into this thread here are some pics of the '97 Tahoe I have been working on for my buddy. And yes it will be a big gay truck but that is what it is being built for, no street just mud. Specs are 5.9 cummins/TF727 from an '89 D250. It has the VE injection pump so I know we will be limited somewhat on the HP/TQ numbers but I plan on getting around 500hp/950 lb ft from after the twins and big sticks go in it, inner cooler from a 92 D350 and all interior will function like factory (A/C, electric everything and all factory gauges. Using motor mounts from autoworld along with there chevy a/c and alt. brackets for the cummins. Since weight is no longer an issue in something already this big, a 2.5 ton military case will be used for strength and the drop down. F/R steering rocks, currently with the overson hardened 16 splined shafts and detroits. Probably will run 14.9 or R26 R1's. And the famous 1 link front and rear with King 16" travel 2.5's with 400/600 coils in the front and 300/400 in the rear. Still a lot to do and I have started working a little more lately so maybe I can get back on the CJ before christmas! Flame on!!

Sorry, gonna have to resize the iphone pics they are too big to load.
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'91 k3500, 454, 4speed, 42" R-1's no lift
'97 z-71, 3" BL, 38" tsl radial, 454/th400
'97 tj, 2.5/auto, rubi 44/5.13/spartan, 8.8/5.13/spool,
34/10.50/16 ltb

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Old 09-16-2009, 07:10 AM   #21 (permalink)
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Very cool .

Good luck with your build , hope you get things going again soon
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Old 01-18-2010, 04:55 PM   #22 (permalink)
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Still no progress on the jeep but I thought I would through up some pics of the 12 vavle tahoe we have been working on. Still gotta adjust the suspension down some after we get teh cummins dropped in. The boggers are on there cause he just couldnt wait till he got the tractor tires, had to see some rubber on it. I also tried to get to hold off on putting the body on until we got the motor and tranny bolted in but as u can see he just couldn't hold back! The cummins has a ported head, 60# valve springs, rebuilt p-pump with 4K gov spring, DDP4 120 hp injectors, silver bullet 66 turbo, and gonna run a hood stack. Ordered a 650hp dd 13" clutch and fly wheel from south bend. Still gotta install the chevy alternator and ac compressor with the autoworld mounts. Twins are planned if he doesn't like the way the single spools. Oh yeah an airdog fuel system is going to be added also.
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'91 k3500, 454, 4speed, 42" R-1's no lift
'97 z-71, 3" BL, 38" tsl radial, 454/th400
'97 tj, 2.5/auto, rubi 44/5.13/spartan, 8.8/5.13/spool,
34/10.50/16 ltb

Last edited by Red Chevy; 01-18-2010 at 04:58 PM.
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Old 01-18-2010, 05:47 PM   #23 (permalink)
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What the fawk am I seeing here?





Is that actually one link suspension front and rear with tractor links mounted to the center cross member to center the axle instead of a trac bar?


If so, the stress on those links is going to be HUGE.
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Old 01-18-2010, 06:34 PM   #24 (permalink)
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Yep, that is what u are seeing and I know that the stress is going to be huge. I told him I havn't this type of side links used a truck this heavy so we will see how it works. If it fails then a couple of trac bars won't be hard to fit either. There are links on both sides of the 1-links (4 total). Plan on using the threaded ends from the stock links and sleeving with some 1/4 wall with only a couple threads showing on each end. Like I said, I have seen it work on other rigs just not personnally seen it work on one this heavy, time will tell. Front end still has to come down around 7" adn the back a little less than that. Once we get the motor and tranny set in, hope the springs will settle 2-3 inches from the weight and will adjust the rest. If not we can play with some softer springs. Currently running 600/400 in the front and 400/300 in the rear. Thinking about using the tahoe torsion bars for swaybars. Drill and tap on each end and cut a plate to bolt the torsion keys on and fit them with some 3/4"-1" flat stock for arms. Will have to see. Maybe find someone with a cnc or somethins to cutout some arms to fit the torsion bars.
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'91 k3500, 454, 4speed, 42" R-1's no lift
'97 z-71, 3" BL, 38" tsl radial, 454/th400
'97 tj, 2.5/auto, rubi 44/5.13/spartan, 8.8/5.13/spool,
34/10.50/16 ltb
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Old 01-21-2010, 05:53 AM   #25 (permalink)
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What are you using for the center links on the tahoe?
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