seaking 4.0/4.2 stroker web site

tinker · Dec 17, 2004

I'm currently involved in an attempt to combine my 4.2 out of my 82 cj7, and a 4.0 out of an 89 xj I purchased for this stroker build. I would like a web site or detailed information on this build. If you respond be prepared for lots of questions!

Thanks in advance
Ken

zeppeh · Dec 17, 2004

Check out this site http://www.angelfire.com/my/fan/stroker.html
hope it helps.

HodgePodge · Dec 17, 2004

There is a large amount of information if you try a search. Also checkout the Yahoo! strokers group

There is also a some good info here: http://www.jeep4.0performance.4mg.com/stroker.html

Here is a good spreadsheet to help you dial-in CR and quench. Spreadsheet

Hope you have fun.. :repair:

Dr. Dyno · Dec 17, 2004

tinker said:
I'm currently involved in an attempt to combine my 4.2 out of my 82 cj7, and a 4.0 out of an 89 xj I purchased for this stroker build. I would like a web site or detailed information on this build. If you respond be prepared for lots of questions!

Thanks in advance
Ken

..and I'll be ready to answer them.

__________________________________
Dino's "Mean Green Machine"
1992 XJ Laredo 4-dr - 4.6L I6 HO Stroker - 179k miles - AX15, NP231, D35c, D30

258hp@4800/320lbft@3100-3500, 1/4 mile = [email protected], 0-60 = 5.9secs
Websites - Jeep 4.0 Performance, 4.6L Stroker Build-Up, Dino's Jeep Tricks

old_man · Dec 17, 2004

Yahoo has a stroker list.

http://autos.groups.yahoo.com/group/strokers/?yguid=86818657

I can also answer questions if you have any. There are plenty of people around here who have built them.

tinker · Dec 18, 2004

Thanks everyone for the links. I have been going through them and they look like what I need.

Thanks again, and if you think of another site please let me know.
Ken

tinker · Dec 18, 2004

Dino.......If I purchase a head from a 93xj, what if anything would I need to put this on my 4.0, and would I need the multiport fuel injection from the 93xj as well as the computer. Is it worth the differance in performance between the non-HO and the HO? The stroker that I would like to build is the 250hp engine!
Next question is - How complicated is it going to get putting the stroker engine into my 82 CJ7? Electrical connections and wiring ect.

Thanks
Ken

Dr. Dyno · Dec 18, 2004

tinker said:
Dino.......If I purchase a head from a 93xj, what if anything would I need to put this on my 4.0, and would I need the multiport fuel injection from the 93xj as well as the computer. Is it worth the differance in performance between the non-HO and the HO? The stroker that I would like to build is the 250hp engine!
Next question is - How complicated is it going to get putting the stroker engine into my 82 CJ7? Electrical connections and wiring ect.

Thanks
Ken

If you get the '93 head, I suggest you also get the '93 intake manifold and TB. You can port n' polish the head and bore the TB to gain a few more ponies. Keep your existing '89 fuel rail, sensors, wiring harness, and computer for simplicity, but you'll need to adapt your TPS to the HO TB. A set of Ford 24lb injectors and a MAP adjuster will take care of the fuelling.
If you're going to swap the stroker into your CJ rather than the XJ, the job becomes much more complex. You'll need to grab the fuel tank, fuel pump, fuel lines, fuel rail, intake manifold, TB, sensors, wiring harness, computer, exhaust manifold, distributor, and coil, as well as the engine from the '93 XJ donor vehicle.

tinker · Dec 18, 2004

Dr. Dyno said:
If you get the '93 head, I suggest you also get the '93 intake manifold and TB. You can port n' polish the head and bore the TB to gain a few more ponies. Keep your existing '89 fuel rail, sensors, wiring harness, and computer for simplicity, but you'll need to adapt your TPS to the HO TB. A set of Ford 24lb injectors and a MAP adjuster will take care of the fuelling.
If you're going to swap the stroker into your CJ rather than the XJ, the job becomes much more complex. You'll need to grab the fuel tank, fuel pump, fuel lines, fuel rail, intake manifold, TB, sensors, wiring harness, computer, exhaust manifold, distributor, and coil, as well as the engine from the '93 XJ donor vehicle.

Well Dino I guess that narrows it down some. I have a donner vehicle and all I'm really after is to get the CJ to stop flooding on steep angle climbs, like to have a little more HP, but I'll have to see what I can do with the 89's 4.0L. I'm starting to like this xj, I think later I'll build up a late 90's model xj.
The systems from the 89xj won't work with the head off of the 93xj in the cj?
What will I have to do to the head(4.0L HO)to get it to work on the 4.0L(non-HO)?

Thanks
Ken

kunaji · Dec 18, 2004

Dr. Dyno said:
Keep your existing '89 fuel rail, sensors, wiring harness, and computer for simplicity, but you'll need to adapt your TPS to the HO TB.

I agree with everything but the '89 fuel rail. It will not bolt up to a HO manifold and I found it was just easier to get the HO fuel rail to go with the intake and redo the fuel lines.

tinker · Dec 19, 2004

kunaji said:
I agree with everything but the '89 fuel rail. It will not bolt up to a HO manifold and I found it was just easier to get the HO fuel rail to go with the intake and redo the fuel lines.

I'm going Monday to pull the head, intake, fuel Injectors, rail and TB.
Question-Will the wiring connect up, that is the 89xj's to the 93xj's fuel injectors and sensors?
Also will I need to grab the ECU(SBEC) and replace my current ECU(Renix) with it, and would I then need to do wiring changes to install the ECU from the 93xj?

Thanks
Ken

seaking 4.0/4.2 stroker web site

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