NP205 Stuffed In A J-truck

On another list, MC wrote;

Quote:

---

They have 4 degrees of clocking to the bellhousing. Some adaptors take it up

---

MC, You, once again, ARE Da' MAN! How do you know so much?
So, where, and how long do I have to sleep with whom to find out
where to get such an adapter that you speak of? Would it go between
the TC and the Trans? I would have to measure the length of the
tailshaft into the NP205 to see if I could fudge it w/o compromise
I guess. My partner is telling me to just run w/ what I got which
is prolly what I will do after re-engineering the xmember and useing
short TC X Xmember mounts, but, if there were an easy fix I might look real hard at it. Here are a few pics of the NP205 mocked up behind the TH400 in the 79' J-Truck, it is ALMOST a bolt in swap I swear, if it were not for the clocked Trans it would dam near be a bolt in swap! I can't belive it! Even the PTO is going to fit and the old Q-Track reduction gears leaver is even going to work for the PTO switch LOL!


http://www.jeepengineering.com/tcstu...mfrnttouch.jpg
http://www.jeepengineering.com/tcstuffing/torquearm.jpg
http://www.jeepengineering.com/tcstu...torquebrkt.jpg
http://www.jeepengineering.com/tcstu...ertiontool.jpg
http://www.jeepengineering.com/tcstu...intotunnel.jpg
http://www.jeepengineering.com/tcstu...ookingback.jpg
http://www.jeepengineering.com/tcstu...patptohole.jpg
http://www.jeepengineering.com/tcstu...ingforward.jpg
http://www.jeepengineering.com/tcstu...slookingup.jpg
http://www.jeepengineering.com/tcstu...degreesoff.jpg

Brad it is entirely possible to make a 4 degree wedge that has threaded holes at 0 degrees. We have this type of stuff on CAD if you need a file...I believe we have one of the latest cad files of a th400 to dana20 in .dxf form on the offroad fabricators network....Kyle Pope who is a Autocad salesman runs the site...we donated this file for fun since making adaptors like these is not something we want to do all the time...its exhausting

http://bulltear.imgbay.com/Rock9.jpg

Well, I have never done CAD before so seeings as how I am having a hard time finding someone to cut some adapter plates for me I am forced to learn this CAD stuff on my own. Taking 2 unfinished files from the OFN web site I believe originally started by MC, I have buckled down w/ a pair of cheesy calipers, a free CAD program I found on the web, and a whole lot of ambition and I do believe I am very, very, close to finished product(s). This is what I have so far;
http://www.jeepengineering.com/misc_.../3D_Frt_Bk.jpg
Now when I say cheesy calipers I mean it. These beauties cost all of 9.99 at the local Kragen Auto. I did however do some research and I ordered a pair of Starrett #797B-12/300 digital calipers to recheck all my work with before I go to mill. http://www.starrett.com/pages/931_79...c_calipers.cfm
I guess these are a new product Starrett has, I will volunteer guinie pig (not that I have a clue as to what is good and bad anywho).
Why am I doing this? I need (Well, I WANT) an adapter that is not clocked 4* or more low on the NP205 Chevy drop side, like the AMC trannys are, that are clocked 4* clockwise. After I get the 2 adapters I can simply make a cylinder to slip between the two, gussett it up, weld it up and roll! :lo1l:
That is AFTER I perhaps have two adapter plates cut out of Teflon, or Nylon, or Acrylic or something disposable first to make DAM sure my measurements are right, I am not sure what to do, I have never done this stuff before HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Since my last post things have changed. :homework: I was forced to think out of the perverbeal box, due to twin stick shifter mounting considerations. Some thought and a consult w/ our fearless leader :notworthy: , MC, I decided to pull the trigger :snipersmile: and have / ask MC to make me a clocking ring "just" for the TH400 which he is supposed to be buzzin' out today, yes Sunday, gotta love the dedication :lo1l: .
So it will be a TH400 X TH400 clocking ring IN FRONT of the TH400 X NP205 adapter. This will be considerably less work then making a clocked TH400 X NP205 adapter :t: . When it is all said and done, barring any unforseen circumstances, the NP205 will be clocked about 12 Degrees counterclockwise as you sit in the drivers seat. :4: degrees would bring the NP205 TC down to square to the world but the clocking needs to be of sufficient degrees so as to allow for a new set of threaded holes to be punched into the new adapter for countersunk bolts, to bolt the new adapter to the TH400 itself, so by my calcs :idea: , it looks like it will need to get clocked a good 6-8 degrees past plumb to make this happen. Like so;

http://www.jeepengineering.com/misc_images/12degree.jpg

There are other issues doing all this as well :eeeeek: . That being the TC shifters. If one were to take, let's say, the GM NP205 twin stick that a guy on Ebay sells, which is what I opted for, and after making mods to the main pivot points of said to fit a 1/2" bolt, one will find the shifters protruding through the trans tunnel cover at the very rear of the trans cover tunnel. In my Jeep (J-10, a 1979) on the passenger side of the trans tunnel cover, forward, there is another small hatch where another TC shifter would protrude through in a different drivetrain variation of this truck. This is where I am thinking about placing my twin stick shifters. Up close to the AC and out of the way. This is going to entail making a linkage(s) between the now chopped off Ebay shifter shaft(s), chopped off below the trans tunnel covers and then weld on tabs w/ holes to accept misalignment 90* fittings on them, and the existing TC shifter shaft hatch that is in the existing trans tunnel cover. There will be issues w/ leverage and throw angles of the shifters but I do believe I can overcome all obsticles and get-er-done.
Now you watch, just because I suggested it here first, someone will try to beat me to it, but I plan on using twin HURST shift sticks. I actually bought them dam near a year and a half ago now. The coolness factor will really be up there.
To mount the front pivot point of the forward controlled Hurst shift sticks I am thinking about bolting a pivot rod of sorts to the top of a TCI trans shield I picked up on EBay for 20 bucks.
If you are still w/ me you have the J-Truck disease too I see!~ 111!!!

have you seen this: http://cgi.ebay.com/ebaymotors/ws/eB...spagename=WDVW

Dont know if it does what you want it to do but I just seen that and thought of this thread.

Quote:

---

Originally Posted by JeepsAndGuns

have you seen this: http://cgi.ebay.com/ebaymotors/ws/eB...spagename=WDVW

Dont know if it does what you want it to do but I just seen that and thought of this thread.

---

Yes I have seen it and others like it. The problem doing it this way is
the TC gets clocked and the 1/2" bolt hole that is used for the twin stick shifter mechanizm does not get clocked and it creates even more obsticles. I appreciate the reply ! :t:

Yea, I see what you mean about the shifters. Have you thought about useing a later model one with the round pattern? That might be a little easyer to clock.

I already have my TC. It was bought some long time ago from the guy who built the Monster truck "Kodiak", for wahtever THATS worth! So No I don't want to get somethin else. I am just going to pray MC buzzes me out a TH400 X TH400 adapter soon so I can continue w/ Project Black and Blue :lo1l:

Quote:

---

Originally Posted by Honcho

... so I can continue w/ Project Black and Blue :lo1l:

---

PIX? No project is worthwile unless there are PIX!!!

And me on dial-up for a week 111!!!

Pat

Here are a few pix

http://www.jeepengineering.com/tcstu...mfrnttouch.jpg
http://www.jeepengineering.com/tcstu...patptohole.jpg
http://www.jeepengineering.com/tcstu...ingforward.jpg
http://www.jeepengineering.com/tcstu...slookingup.jpg
http://www.jeepengineering.com/tcstu...degreesoff.jpg