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Best way to proceed? ('71 frameup)

Discussion in 'Early CJ5 and CJ6 Tech' started by Hippo393, Jan 20, 2006.

  1. Jan 20, 2006
    Hippo393

    Hippo393 Jeepless

    Charlotte, NC
    Joined:
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    [​IMG]

    I've been stuck for a month at this point ^. I want to be able to run the engine for a bit and take the tranny through all the gears to verify werky-ness BEFORE installing the body. But here's the problem...wiring this thing up as-is means that I have wires draping all over creation, and somehow it's not been easy to do. However, if I go ahead and install the body & dash, all the wires could at least be correct/complete and out of the way. But if I run into a problem with the tranny (has 2 known broken teeth), then I'd have to remove the body again. :mad:.

    For those who've been at this exact point...what did you do? Wire 'er up and fine tune everything before installing the body, or install the body and wire 'er up correctly and take your chances that everything'll be manageable?
     
  2. Jan 20, 2006
    68 CJ

    68 CJ Banned

    La Crosse, WI
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    Jan 7, 2006
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    rig up a can to the fuel line and to the carb,Gravity feed is fine for this, if you want, use the fuel pump line. for the first fire up, just the fuel in the float bowl is all you want. that way if some thing is wrong, she'll run out of fuel within a minute or so.(if something is wrong, be prepared to pull the coil wire...)
    prime the oil pump(electric drill and a home made pump shaft)or turn the motor over for a few minutes(no more than 10 seconds at a time, don't want to fry to starter)with the coil wire off. better if the plugs are out for this portion of the priming.
    wire from battery to positive side of the coil(go thru the ballast if need be.
    attach ground and (hot to the starter) to the battery(you can get by with a set of jumper cables for this to.
    either use a screwdriver or a remote starter button from the hot on the starter to the "S" on the starter solenoid.
    as long as your engine mounts are tight, should have no problem.
    if possible, put some kind of exhaust system on it. It is hard to hear something coming apart with all that racket.
    when she starts, listen for any noises, you can probably run the engine for a couple minutes without water in it, better to run a hose into the heater hose opening and fill the motor up with h20, should be able to run for about 10 minutes then, watch for steam, you see it. shut down and let her cool with out adding anymore h2o. good luck, my 68 is just got her springs and shocks on, yours looks great, hope to be there by july.
    dave
     
  3. Jan 20, 2006
    Howard Eisenhauer

    Howard Eisenhauer Administrator Staff Member

    Tantallon, Nova...
    Joined:
    Nov 22, 2003
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    8,126
    Some thoughts-

    First- If you know your tranny has two broken teeth why arn't you fixing that first? You won't get far with it like that :(.

    Second- Have you gone through both the tranny & transfer case to see what else might be in need of attention? If your needle bearings havn't been changed in a while they probably should be replaced just to eliminate that annoying whine if nothing else-

    Third- Running it up without a load on the drivetrain might not show up some problems.

    My recomendation would be to pull the tranny & xfer case & go through them very carefully following Rick Stivers on-line rebuild guides. With the body off it's quick & simple to get them out. Once you've gone through them & eliminated all problems you shouldn't have to worry too much about doing a powered run up.

    If after that you still want to do a powered test I'd just run some juice to the coil & stick a screwdriver across the solinoid terminals to get her goin. Don't get too close to the carb throat incase you got the timing off (can you say KER-POOF?).


    FYI I'm going through Tonka's tranny & xfer right now. In fact the whole drivetrain is getting checked. I'm finding problems I wouldn't have expected :(. But when I'm done it's something I won't have to worry about for a good long while :).


    H.
     
  4. Jan 21, 2006
    Mcruff

    Mcruff Earlycj5 Machinist

    Albertville, AL
    Joined:
    Sep 22, 2002
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    5,349
    Alan alot of this has to do with your confidence level in your ability. When I rebuilt mine last (march thru may) I reassembled everything and then wired it up, primed the motor and then fired it up, drove it 26 miles around town and then drove it 184 miles to Crawfords campground and Tellico in early may to test it out. Worked great with only a battery problem that was caused by a missing bolt in the battery tray mount. I have since added another 350-400 miles playing around town.

    I do agree that if you know theres teeth missing on the transmission you should fix it now or you will be in a few months at most.
    Besides with a little help the body can be removed in a few hours to work underneath it. I made my wiring totally different than the factory setup in that I have no wires attached to the underside frame, all the wires stay with the body when I take it off.
     
  5. Jan 21, 2006
    Old Bill

    Old Bill Aggressively passive....

    Really Southern...
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    Alan,

    I have to agree with the check out the tranny/xfer first. Get that done, then rig up the wiring (not really that hard to do) and run it without the body on. That way, you can see if there's any oil leaks to deal with. I'm really glad I did mine that way, as I had one oil galley plug in the back of the block leaking. That would have killed me had I put the tub back on first.
     
  6. Jan 21, 2006
    Hippo393

    Hippo393 Jeepless

    Charlotte, NC
    Joined:
    Sep 22, 2002
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    Thanks for the tips. :beer:

    Some thoughts...
    68CJ, this V6 isn't a total rebuild dealio, so no oil priming is necessary. Good idear on the heater hose H20 adding. I'll do that!

    Howard: re: the tranny teeth...fixing that is currently beyond me. And because I'm under significant time constraints, I have no time to learn how to rebuild a tranny. Gotta make due with what I have for now. :oops: There's a pristene T-14 on standby just in case. :D

    Mike: this is unchartered territory, lol. I've already had probs with wiring it up as is. Might be better to just install the body/dash and all the wiring & take my chances...that's something I do seem good at. :D

    Thad: initially I agree with you, but have had probs wiring. I've got mebbe 5 or 6 wires to get 'er running. The entire harness installed would be best in order to test, especially with one person around. :oops: I'm managing solo, but am nervous about wires draping over groundable areas & such. Body + dash + proper wiring would get all of that out of the way (right?? :oops: )
     
  7. Jan 21, 2006
    wrigley

    wrigley New Member

    Sheffield, MA
    Joined:
    Oct 2, 2002
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    Save a bunch of very predictable grief and just install that "pristine" T-14 that you have on standby NOW! Why go thru all this effort and end up with something that you 100% KNOW just has to be torn all down again? That'll suck the pleasure out of the project in a hurry -- and it is supposed to be fun, after all, isn't it?
     
  8. Jan 21, 2006
    michigan_pinstripes

    michigan_pinstripes I'm not lost, I'm wandering

    Clarkston MI...
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    Aug 20, 2003
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    Alan, You will hate having to go back into the trans when it shells a gear. You can easily rebuild a T-90 in a weekend once you figure out the order of things. When we converted Jerry's 4 cyl T-90 to a V-6 I must have screwed up the reassemble order 3-4 times which only delayed me an hour or so. Not bad at all.

    The key is to punch out the retaining pin on the lower counter assembly first which allows the counter assembly to drop slightly into the case. Now the top guts come right out! Make your repairs on the gear set. Use vaseline to stick the needle bearings back in that lower assembly and lay it back into the bottom of the case. Install the top gearset, finish by gently raising the lower counter rotating shaft into position and re-installing the pin. They do sell a temporary retaining sleeve to hold the needles in (saves you some hassle). the sleeve will come out when you tap in the retaining pin.

    You almost don't need a manual but have one handy anyways. It is the first transmission I have ever rebuilt and probably the most rewarding since it appears very difficult (but isn't). Amaze your friends! Cupcake will be impressed! :D

    Herm has nice rebuild kits available!
     
  9. Jan 21, 2006
    Old Bill

    Old Bill Aggressively passive....

    Really Southern...
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    So don't drape the wires over the groundable areas. ;) You ARE going to protect those wires with split looms or something when you do the wiring, right? Buy a few foot extra to protect it during testing (body off), make sure all is well, remove temporary wiring, then body on! I'm certain that someone on this list can provide you a diagram to follow for simple, temporary wiring.

    I guess you can tell that I'm for running it first, huh? :D I just firmly believe in checking everything before proceeding. Running through the gears before body on falls in that catagory.
     
  10. Jan 21, 2006
    willysnut

    willysnut Banned

    Newnan, Ga.
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    Pull the trany, xfer case and check them out. Then go from there.
     
  11. Jan 21, 2006
    Hawk62cj5

    Hawk62cj5 Captain of OldSchool

    Brodnax Va.
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    Oct 28, 2004
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    The T-90 build is easy , so easy I could do it ;) . Just take your time and it will be fine . Or why not drop the T14 in now? The engine wiring should be a cake walk . You dont need the alt wired in for that. Lets see +Batt to starter , from starter Wire to ballist resitor from there to coil , - Wire to engine for ground . Cross seliod to start , pull coil wire to cut off. That should be all you need , guys check me on that.;)

    ETA: Might want to at lest replace that shaft in the tranfer case while its on the floor
     
  12. Jan 21, 2006
    Hippo393

    Hippo393 Jeepless

    Charlotte, NC
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    Yes yes yes! That was my first plan, but it fell through when the x-fer case gears were blotto'ed and I've since sold the entire case.
     
  13. Jan 21, 2006
    Howard Eisenhauer

    Howard Eisenhauer Administrator Staff Member

    Tantallon, Nova...
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    Alan, which gear is it that has the broken teeth? As it so happens I have some spares kicking around right at the moment, If I have what you need available i'd be glad to let you have it Gratis.

    As far as working on the tranny goes the first time I did mine I was afraid to touch it 'cause I didn't know anything about it & I was scared S***less that I would somehow screw it up. I took it into a tranny shop where I knew a professional mechanic with all the training, years of experience & proper tools would meticulusly diss-assemble it in a proper clean room environment :).

    Long story short- He whacked it with a hammer a few times, turned it upside down & with a few good shakes all the guts fell out in a big pile on the rather dirty bench. About 10 seconds start to finish :).

    A quick look & all the problems were obvious. Once I saw the thing disassembled I realized how simple it was & I was able to put it back togeather on my own with no problems.

    Moral of the story- Fix your tranny or you'll be sorry!

    H.
     
  14. Jan 21, 2006
    Old Bill

    Old Bill Aggressively passive....

    Really Southern...
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    Agreed. Don't worry about doing the tranny and xfer. They really aren't that bad to rebuild. Once you get over the gut wrenching sound of needle bearings hitting bottom, it's easy. ;)

    I second the Rick Stivers rebuild guides. Made it a piece of cake.
     
  15. Jan 21, 2006
    Hippo393

    Hippo393 Jeepless

    Charlotte, NC
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    Thanks for the encouragement guys. :beer: Still feel like I should press forward (under major time constraints) but I've got the "gears" turning in my head. :D

    Howard: the gear in question is in the bottom. It gets action when in 2nd and reverse. In this pic I rotated the assembly to show a portion of a tooth broken off:

    [​IMG]

    There are 2 teeth like that; the rest is fine. When I asked the board a couple months ago, someone said that it'd just be a bit noisy if I left it as is. I'd be fine with that.
     
  16. Jan 21, 2006
    Glenn

    Glenn Kinda grumpy old man Staff Member

    Apopka, Fl
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    I believe that's 1st and reverse, not 2nd and reverse. If it was mine, I'd still fix it, I can't picture it lasting long. If more teeth break it's liable to take something else out.
     
  17. Jan 21, 2006
    Howard Eisenhauer

    Howard Eisenhauer Administrator Staff Member

    Tantallon, Nova...
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    O.K. Theres Your Problem- Your T90 is really a T86.

    O.K., so thats not the problem, but it is a fact. I'm afraid the spare cluster gear I have won't fit your tranny.

    Sorry about that :(.

    Be that as it may I still think you should fix the consardinated thing, maybe someone else will have one avialble.

    H.


     
  18. Jan 21, 2006
    Mcruff

    Mcruff Earlycj5 Machinist

    Albertville, AL
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    Hadn't even caught that but yea you're right that is a t86 not a t90. Alan t90's don't have angular cut gears they are straight cut.
     
  19. Jan 21, 2006
    Howard Eisenhauer

    Howard Eisenhauer Administrator Staff Member

    Tantallon, Nova...
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    I guess I should have elaborated on that :oops:

    Here's a pic of T90 guts from Rick Stivers rebuild guide-

    [​IMG]

    You can see the differences in the helical vs. straigt cut shaft & gears.

    The complete rebuild guide is here-


    http://www.willystech.com/wt/T90RebuildGuide/T90rebuild.htm


    H.
     
  20. Jan 21, 2006
    68 CJ

    68 CJ Banned

    La Crosse, WI
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    ya hippo, I wasn't sure how long your motor's been sitting, no sense taking the chance she was dry. If she has been sitting for awhile, squirt alittle oil in the cylinders so not to score 'em when she starts. Just incase the carb floods and washes the cylinders. just a CYA. I'm alittle over cautious when it comes to advice to someone. one 12 gauge wire to coil from battery pos, jumper cable from grn and hot on battery to engine ground and starter solenoid/battery post. screw driver. the old way to hot wire cars in the 60's guys.
     
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