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  1. S

    TH350 to NP208 install questions

    Hahaha....apparently I just like wrestling with transmissions and transfer cases while lying on concrete!! I got lucky and as I was climbing under thetruck with a wrench to take off the drive shafts, I moved the jack under the tcase and your right, it slipped right in! Couldn't have done it...
  2. S

    Roof insulation

    That looks like an awesome ride! I have the Kilmat sound deadening ready to go as well, did you do the inside of the doors with it too?
  3. S

    TH350 to NP208 install questions

    Hey all, So after trying to scour the internet for any videos for ideas about drawing the engine/tranny to the case without much luck, does anyone have any "best practices" to get that done? I have the transfer case installed with both the front and rear driveshaft in, the engine tranny are...
  4. S

    TH350 to NP208 install questions

    Thanks again Bucket! So I'll try to just barely take the tension off the motor mounts and wiggle it in there...I did realize there isn't any tranny goo on the spline so that may be making it difficult? it looks like it's 1/2 way in there though? From memory there shouldn't be anything...
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    TH350 to NP208 install questions

    You are correct, it's an NP 208...let me change the title of the thread!!
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    TH350 to NP208 install questions

    Hey Bucket! So both the trans and case came off the truck originally and I personally pulled them apart...I didn't change any of the shafts/inputs during the rebuild.. The one thing I forgot to mention is that the reason I was winching it to mate it up is because I couldn't get the cherry...
  7. S

    TH350 to NP208 install questions

    Hey All, I'm going to use the long weekend to finally put this thing back together! I'm dropping then the engine in with the TH350 connected to it which was a bit of a game of Tetris for sure but I finally got it sitting right where it should in the engine bay. I have the cherry picker just...
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    Roof insulation

    I just stumbled on this thread after looking for some advice on where to put the dynamat in my 1981 Suburban. Did you ever get your back together? Looks like a nice resto project! Also, I have had my weatherstripping kit on backorder almost a year with Summit, did you replace yours and if so...
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    Smog Pump

    I REALLY appreciate everyone's input, pics and guidance on this!! It looks like I was missing the lower alternator bracket from the start...the donor I got the smog pump from (I think it was an '82 Impala) had the "voodoo bracketry" that probably has connections for yet more smog stuff. On the...
  10. S

    Smog Pump

    I'm actually using the MSD Atomic EFI which is California compliant...seemed almost easier to me to program the EFI than keep jacking around with an emission carburetor..?! Although apparently I will still need a smog pump...so stupid
  11. S

    Smog Pump

    Hahaha...ok...I was laughing out loud when I read it was upside down (which makes perfect sense for the damn thing because it ridiculous)...then I went back to switch it around and the bottom bracket looks like it takes a long pass through bolt, front side no threads/backside threads...if I were...
  12. S

    Smog Pump

    Thanks All! I have the manual and it has a good view of the bottom bracket which I have in but it's the top on throwing me as I can't Jenga the thing in there and make all the bolt holes line up! I had to laugh at the "voodoo" bracketry because that is the pile I'm looking at from my donor...
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    Smog Pump

    Ok...ok...I know I'm going to have a limited audience on this...but I'm in California and I don't have the luxury of just omitting the smog pump... When I got the truck (1981 K1500 Suburban) the smog pump was removed and things cut/capped...however it looks like the engine side bracket for the...
  14. S

    Firewall Rust

    Okily dokily...so I ground down the firewall rust, naval jellied it and then put 3 layers of 6oz epoxy fiberglass down-surfboard ding repair stuff...I might sand it a bit to smooth it or maybe overcoat with some Bondo, paint it and move on...however I did take the cowl off and saw the ever so...
  15. S

    Firewall Rust

    Finally got around to looking at this a little more in depth..I poured water in the cowl and it washed a **** ton of dirt out of the fenders on both sides..I didn't see any water pouring through the seam but what I did see was a trickle of water coming down the outside of the firewall seam right...
  16. S

    Firewall Rust

    I think in my case if I put a hose in the cowl it's going to start pouring out that hole I'm my firewall!? I have a little and held inspection camera and ran it on the inside of the fender, down to about where that outlet should be. It looked to me like an old mud wasp nest was right where the...
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    Firewall Rust

    So I found some pics online and it almost looks like the outlet is behind the fenders? Can anyone confirm before I start dismantling them?
  18. S

    Firewall Rust

    So I cleaned it up and went looking for an outlet but still couldn't find one..? I may take a piece of wire and try poking it through to see where it ends up.. However, I did poke a pencil through the hole and it ended up inside the cab on top of the carpet! Needless to say I think I need to at...
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    Firewall Rust

    Thanks Grit, I was looking for the drain holes but cant seem to find them?? I saw another post that said they are behind the fender shield but I didn't see anything that looked like a drain hole....so does water drain into the cowl and run through that channel pop out at the firewall out to...
  20. S

    Firewall Rust

    Hey All! So I've rebuilt the engine, trans and transfer case in my 1981 GMC K1500 Suburban and getting ready to install. I was going to flat black the engine compartment and was cleaning it up a bit and noticed an area of rust on the firewall. I have never had the truck running/driving so I...
  21. S

    NP208 Blind Bearing Not Comin Out

    If anyone else is tying to rebuild their NP 208, this nomenclature diagram and parts list is the best one I have found as it's complete, labeled and references sizes and thicknesses on the thrust washers.. They have other exploded diagrams on other cases as well but I can't attest to their...
  22. S

    TH350 Rebuild Questions

    Thanks Matt! I needed to hear that from someone with more experience than I! I'm relatively confident in the holding power of that bolt as it didn't "technically" strip but I could feel it wasn't going to finish torquing up. I've done the copper strand trick a few time with excellent results...
  23. S

    TH350 Rebuild Questions

    Ok... I'm getting ready to put everything together and I did something I'm not so sure I should have done now... When I was torquing up the pump bolts, sure as heck the last one (I think right at 6 o'clock), started to feel soft so I backed out the bolt and looked down the hole.. didn't see any...
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    NP208 Blind Bearing Not Comin Out

    I did have another question as I'm putting this back together, I'm not really sure the brass synchro gear is in correctly. It has three little tabs on it that would seem to fit neatly into the synchro ring slots but a couple of diagrams I looked at show it tabs up and just kind of sitting there...
  25. S

    NP208 Blind Bearing Not Comin Out

    Haha, I have been a little pre-occupied lately! Here you go...and you can make fun of welding inadequacies all you would like!

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