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  1. S

    TH350c Slipping

    I waved the white flag and dropped it off last week. I checked in on it today and he said they pulled the trans out today and will crack it open tomorrow...I'm curious at this point as well. I did realize I never cleaned/rebuilt the valve body when I had it apart...
  2. S

    TH350c- Double-Double Feed

    Hey All, I posed the question on my other thread too but I guess I should start another as my tranny isn't slipping, it only has 3rd gear! It also has reverse. Someone said to check the governor which I will do but I was also thinking that when I rebuilt it, it did the dual feed mods (plug...
  3. S

    TH350c Slipping

    Hey All, So I'm not sure if I should post a new thread or just keep this one going but until I get it 100% solved, I guess I will keep on here! I took the truck to a transmission shop and he said jump in and let's go for a drive...while driving he asked me on my rebuild if I did this or that...
  4. S

    TH350c Slipping

    Hey All, I have finally gotten back to my project after getting pulled in 50 different directions over the last month...my wife asked me what I wanted for Father's Day and I said how about 6-8 uninterrupted hours of wrenching?! I got a tranny jack from Harbor Freight and as I got on the...
  5. S

    TH350c Slipping

    Ahhhh.....that makes a lot of sense! I should hopefully be able to switch the transmissions out after spring break and get to the bottom of it!
  6. S

    TH350c Slipping

    Hey All, So I have a used th350 that was operating before it was pulled..Once again not the most experienced guy with a wrench, but I was getting everything ready to swap it (change filter) and I tried to spin the stator shaft and it doesn't spin...I looked at a couple of other threads and it...
  7. S

    Adapt 4x4 Th350 in Place of 700r4

    I tried posting up a thread but you guys sound like you may have already worked through what I was asking.... I have a th350 with a short shaft I would like to swap into my 1981 Suburban that has a th350 in it now and an np208. I have read a few different forums that you can take of the...
  8. S

    th350 short shaft to 4x4

    So I'm having some trans trouble and I was going to try to swap it out with a "known good" unit to keep the truck operational and tear down the other... From what I can gather, in a 1981 4x4 with an np208 I can use a 2wd short shaft trans and cut 3/4" off of the output shaft? Seems to good to...
  9. S

    TH350c Slipping

    I haven't had time to troubleshoot the trans for a while but was looking at ordering a new plate/gaskets just to make sure I had the right ones. I did pull out the parts I had left over from the rebuild kit and there were 2 new gaskets for what I'm assuming is a non lockup th350 so that leads me...
  10. S

    TH350c Slipping

    I have been reading a few articles here and there and looking at the gaskets I took out, it looks like they were from a shift kit? I was also reading a few instruction books from different shift kits and it looks like for the 350c, you would use the exiting plate and drill out some holes? If so...
  11. S

    TH350c Slipping

    Very insightful Rob! I honestly didn't even think they still produced Dextron III! I met Andy Rooney (60 minutes) one time and I brought him a hat from the company I was working for. He examined it front and back, which I assumed he was looking for a snap back or something and then I said "It's...
  12. S

    TH350c Slipping

    I have wondered the same thing! Along with that train of thought, whatever they were using 40 years ago for adhesives and friction materials are probably completely different from what is being used today? So modern parts=modern fluids ...? All that being said, I'm assuming there are still...
  13. S

    TH350c Slipping

    Hmmm...it was a natural steel plate...however I can 100% guarantee someone other than the factory was in there before I was as there were aftermarket gaskets.. I was looking on the Transgo website and their shiftkit mentioned something about keeping the 350c separator plate and drilling it out...
  14. S

    TH350c Slipping

    Hey Matt, SirRobyn0 had a great idea to run this one by you as I had it posted in another thread I had going... So after thinking about this a little more...I did "modify" 3 things when I put the trans back together (1) hardened outer race (2) 5 clutch piston (and I did indeed put in the 5...
  15. S

    White smoke troubleshooting

    Received Sir! Thanks much for your direction! I have another thread open that it would probably be more appropriate to send a shout out in.
  16. S

    White smoke troubleshooting

    I'll take any help I can get!! So after thinking about this a little more...I did "modify" 3 things when I put the trans back together (1) hardened outer race (2) 5 clutch piston (and I did indeed put in the 5 clutches, haha) and (3) dual feed by leaving off seal on direct, ring off pump and...
  17. S

    White smoke troubleshooting

    Thanks Rob! I did the block test and it was negative so I think your gut is on to something! To answer your questions: How much run time you have on the engine? -I broke in the cam and have probably driven it for about 5-10 miles before the trans started slipping pretty bad You did say it was...
  18. S

    White smoke troubleshooting

    If the block method comes up negative that is going to be my route...the block test is going to cost me $8 for the testing solution..
  19. S

    White smoke troubleshooting

    Here is a video link...it seems as though the smoke starts at about 1 minute in...smells like it running rich BTW...also stepping back and listening to the video it almost sounds like a rod knocking (I though that was the smog pump noise)...
  20. S

    White smoke troubleshooting

    Thanks Rob! I will grab a video once the rain stops out here...at the risk of exposing my inexperience, I had never seen/used a block tester before. It looks like I can borrow one from the local Autozone and get some fluid for it. Thanks again!
  21. S

    White smoke troubleshooting

    The hits keep on comin'! Quick history is that the engine was rebuilt by someone I don't have a lot of faith in...I have basically broke in the cam and put about 5-10 miles on the truck and started having all kinds of other issues (the truck sat for 5 years)... One issue from the beginning...
  22. S

    Tuff Country 12711K lift kit for sale- best offer

    Sold...thanks everyone
  23. S

    TH350c Slipping

    Ok...disclaimer- I haven't got around to a full blown road test yet, however I removed the spacer shims from the torque convertor and I took it for a spin and low and behold the temp at the pan was 114deg F... Ironically when I took out the shims on the torque convertor, my starter started...
  24. S

    TH350c Slipping

    Going through stuff, it looks like I picked it up at AutoZone so I'm sure it's not a high end unit.. You think I got a bad one? I bought it about 6 months ago but haven't put it into use until now...is there any way to troubleshoot the tranny to isolate the problem to the TC?
  25. S

    TH350c Slipping

    Hi Matt, I actually did both, and installed a hardened sprag as well...I figured pulling the trans and reinstalling it was too much work not to do as much as I (practically) could with it on the bench.. If the convertor doesn't lock I can live with it...for a while anyways... but I would...

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