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CJ and Scrambler (1945 - 1986) Technical forum for the Jeep CJ. |
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#1
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Anybody put a 4.0L in an 82 CJ7?
I am going to help a buddy upgrade his 82 CJ7. I have scored a 4.0L and I am going to rebuild it as a 4.7L stroker.
My first question has to do with getting a high pressure fuel system. Did you go with an external pump and a return line, or did Jeep have a compatible high pressure tank with a return on a later or different model? To keep things cheap and simple, I am going to keep the T5 / D300 combo. That means that I need to mount a CPS. I figured I would pull the existing bell housing and machine it for the new CPS. Anybody ever done this? I have a cnc mill and can build up the aluminum before machining if needed. Anybody ever done this or have a good link. Dimensions would be nice, but I can pull them off of an AX15 if necessary. What did you do for a clutch disk? Does the CJ setup work with an AX15 clutch disk?
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Tom Houston - Former Colorado Chapter President, current Treasurer , Terminal Adrenaline Junkie, and Rocket Scientist Loveland, Colorado My teardrop build You're just jealous because the voices don't talk to you. ![]() |
#2
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Re: Anybody put a 4.0L in an 82 CJ7?
Go with the AX15 and keep life simple.
Novak makes no adapter as the T5-4 is a POS. |
#3
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Re: Anybody put a 4.0L in an 82 CJ7?
OK, since you're the expert, if I switch the tranny, then I have to switch the tcase.. That means a custom cross member and different drive shafts.
He doesn't do any serious off-road or hotrod it. I am just looking for a simple fuel solution.
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Tom Houston - Former Colorado Chapter President, current Treasurer , Terminal Adrenaline Junkie, and Rocket Scientist Loveland, Colorado My teardrop build You're just jealous because the voices don't talk to you. ![]() Last edited by old_man; January 2nd, 2017 at 20:14. |
#4
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Anybody put a 4.0L in an 82 CJ7?
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#5
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Re: Anybody put a 4.0L in an 82 CJ7?
Quote:
__________________
Tom Houston - Former Colorado Chapter President, current Treasurer , Terminal Adrenaline Junkie, and Rocket Scientist Loveland, Colorado My teardrop build You're just jealous because the voices don't talk to you. ![]() |
#6
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Re: Anybody put a 4.0L in an 82 CJ7?
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You'll have a harder time modifying the bell to accept the CPS than you will modifying a cross member. The answer is to stick with an AX15. As to the fuel system.......inline regulators are about $100 last time I looked, mount to the frame rail and return to the tank.....simple enough. |
#7
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Re: Anybody put a 4.0L in an 82 CJ7?
I have my own shop and mill and 40+ years of experience. That mod is pretty easy. Fabbing a cross member isn't hard, just having the drive shafts modified gets pricey.
__________________
Tom Houston - Former Colorado Chapter President, current Treasurer , Terminal Adrenaline Junkie, and Rocket Scientist Loveland, Colorado My teardrop build You're just jealous because the voices don't talk to you. ![]() |
#8
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Anybody put a 4.0L in an 82 CJ7?
Personally, there is no way I'd do any amount of work to keep a T5 behind anything, especially a stroker. By the time you figure out the sensor stuff and the flywheel/clutch, you'll have an old, weak, one-off transmission.
With an AX15 at least you'll have some strength to show for your troubles. Modding driveshafts really shouldn't cost much, less than the headaches you'll go through making a T5 work then promptly needing to replace it. My local driveline guy charges under $200 to make those kind of changes when I need them. Sent from my iPhone using Tapatalk |
#9
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Re: Anybody put a 4.0L in an 82 CJ7?
There is an off the shelf fuel pump that was recommended to me. E2000 I believe it was. I would use an OBD1 fuel rail and computer. Fuel regulator is on the rail. So all you would need is a return line into the existing fuel tank I believe. Of course I'm not going on any experience just theory.
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"...I need to wheel to be rejuvenated to fix things to wheel. It's a vicious cycle, but I love it." Rick Pewe Ed: Petersons 4 Wheel and Off Road ![]() |
#10
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Re: Anybody put a 4.0L in an 82 CJ7?
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#11
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Re: Anybody put a 4.0L in an 82 CJ7?
http://www.hesco.us/products/7577/mo...d#.WzP5MdVKhhE
That comes in the full kit found here...http://www.hesco.us/products/7902/40...5#.WzP5qtVKhhE I am in the process of building up my engine...waiting on a Doug Thorley header right now Last edited by SuperB60ce; June 27th, 2018 at 14:56. |
#12
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Re: Anybody put a 4.0L in an 82 CJ7?
If you do the Hesco kit with the harmonic balancer CPS, make sure that its clocked right and loctite the bolt. I spent a long time troubleshooting a car with one of those kits to discover that there was play in the assembly and the timing was not only off, but would change with hard bumps.
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I'm not a complete idiot - there are parts missing. |
#13
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Re: Anybody put a 4.0L in an 82 CJ7?
Quote:
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#14
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Re: Anybody put a 4.0L in an 82 CJ7?
I didn't install it, and after getting it running right never saw the car again, but driving it around for a couple of days it seemed to do pretty good. Stock renix 4.0 in a CJ5 with the CJ's manual trans. If I were doing one I'd probably want to keep the auto.
__________________
I'm not a complete idiot - there are parts missing. |
#15
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Re: Anybody put a 4.0L in an 82 CJ7?
Didn't Bezzel sp? put a xj drive train in a CJ6?
__________________
"...I need to wheel to be rejuvenated to fix things to wheel. It's a vicious cycle, but I love it." Rick Pewe Ed: Petersons 4 Wheel and Off Road ![]() |
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