87 TF999 into a CJ-7 - JeepForum.com

 
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post #1 of 9 Old 12-15-2006, 07:53 PM Thread Starter
only in a jeep cj
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87 TF999 into a CJ-7

The TF999 was used in both the CJ infront of a Dana 300 and the YJ in front of the NP231. Both t-cases have the same 23 spline input and the same type of bolt pattern. Soooo when I stuck my spare dana 300 onto a 87 YJs TF999, it did fit, but with more right side drop than needed (the low side was about 3 inches lower than what is mormal in a stock CJ). It should be rotated up like 20 more degrees (so the shifter is pointed straight up and not leaning over to the side). I know about the indexing rings. MY QUESTION. DOES the CJ version of the TF 999 have a different rear section (t-case adaptor) for correct oriantation of the dana 300? If so, are these tail section interchangable?


Ed
1975 CJ-6 1983 CJ-8
1986 CJ-7 Laredo 1986 TJ-7 Trail Jeep
2003 Inca Gold TJ Rubicon

Last edited by only in a jeep cj; 12-15-2006 at 08:23 PM.
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post #2 of 9 Old 12-15-2006, 08:19 PM
CJ Chet
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I put an '88 TF999 into my '86 CJ7. Had to redrill the skid plate for the bottom tranny mount, and used a 1" drop kit. Also had to cut off the transmission stabilizer bracket 'cause it was too close to the exhaust pipe. After that everything was bolt-on! Actually a fairly easy install.
BTW - I also used a Lokar kick-down cable kit. Since I have a Weber carb, I used pieces from the Weber kit and the Lokar kit, did a little cutting and welding, and eliminated all the carb linkage. Ran the cable right to the carb, next to the kick-down cable. Works great and eliminates about 5 lbs. of metal. Also makes for alot smoother gas pedal!

Last edited by CJ Chet; 12-15-2006 at 08:56 PM.
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post #3 of 9 Old 12-16-2006, 10:09 AM
jeepskate
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Since you can also swap the tailhousings with the Mopar versions of the TF9xx series, I'd say you can swap them between the CJ & YJ.

'86 CJ-7 Laredo: 4.2,T-999,D300,D30/D44,'94 YJ tub, full cage, Shrockworks rockers, OYR corners, AC,cruise,restored seats,3 tops,2.5" Superlift,F-T shackle reversal, RS9000x's,35" Dunlop Mud Rovers.
'83 Scrambler: time & money pit under construction with parts from CJ's,YJ's,TJ's,FSJ's,GM,Ford,IH,Honda,Toyota and a whole lotta aftermarket & custom stuff.
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post #4 of 9 Old 12-16-2006, 03:09 PM
Rollbar
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If U want to clock it, CJoffroad.com sell'em for 100 bucks.
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post #5 of 9 Old 12-16-2006, 07:20 PM Thread Starter
only in a jeep cj
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Well, if I can confirm that there is at least two different tailsections for the 4 wheel drive vesion of the 999 ( A CJ tail that is different than a YJ tail), then I'd rather just keep my eye open for that part from a busted unit than buy a clocking ring. I have to go through the unit anyway, so I'll see. thanks

Ed
1975 CJ-6 1983 CJ-8
1986 CJ-7 Laredo 1986 TJ-7 Trail Jeep
2003 Inca Gold TJ Rubicon

Last edited by only in a jeep cj; 12-18-2006 at 12:53 AM.
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post #6 of 9 Old 12-16-2006, 08:50 PM
CJ Chet
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Let me post this AGAIN! I BOLTED on a TF999 from an '88 YJ onto my '86 CJ7 (258), no clock ring, or anything! There was some minor tweaking, but it bolted on!!! I've been driving it all summer!!
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post #7 of 9 Old 12-17-2006, 10:34 PM
jeepskate
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Quote:
Originally Posted by CJ Chet
Let me post this AGAIN! I BOLTED on a TF999 from an '88 YJ onto my '86 CJ7 (258), no clock ring, or anything! There was some minor tweaking, but it bolted on!!! I've been driving it all summer!!
He already knows that it'll bolt up (BTW: I did this 10 years ago)...his issue is with the difference in the clocking between the two tailhousings. Seems like a lot less hassle to me to just buy a clocking ring, especially since you can then get rid of the ground clearance robbing drop of the stock setup.

'86 CJ-7 Laredo: 4.2,T-999,D300,D30/D44,'94 YJ tub, full cage, Shrockworks rockers, OYR corners, AC,cruise,restored seats,3 tops,2.5" Superlift,F-T shackle reversal, RS9000x's,35" Dunlop Mud Rovers.
'83 Scrambler: time & money pit under construction with parts from CJ's,YJ's,TJ's,FSJ's,GM,Ford,IH,Honda,Toyota and a whole lotta aftermarket & custom stuff.
http://www.jeepskate.net
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post #8 of 9 Old 12-18-2006, 01:05 AM Thread Starter
only in a jeep cj
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Thank you sir!
Its going into a spare Jeep built from spare /leftover parts. Just a basic stock CJ with 31s....so I'm not looking into bellypan drop or making a flat pan for clearance. Since I'm spending most my extra cash on my trail jeep build, I'm trying to keep the cost low and use free or existing parts. So I'll buy an index ring if I need to, but just wanted to know that there are different tail sections and they did swap...thanks a bunch.

Ed
1975 CJ-6 1983 CJ-8
1986 CJ-7 Laredo 1986 TJ-7 Trail Jeep
2003 Inca Gold TJ Rubicon
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post #9 of 9 Old 01-10-2007, 12:09 PM
Rollbar
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99 dollar clocking rings are found on www.cjoffroad.com www.cjoffroad.com/D300ring.asp
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