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  1. D

    Dowsewasheres 1998 Tahoe

    Just another boring update. Replaced my idler arm to reduce some slop and I will be doing the passenger side ball joint as well.
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    Dowsewasheres 1998 Tahoe

    Ok so story time. SO my beloved Tahoe saw its demise on February 7th. A kid from my school took his mommy's and daddy's 2016 BMW X3 and duffed it into the back. Truck was deemed a total loss. I got a check. I decided to keep it. I am currently driving it still. It bend the rear rails...
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    Dowsewasheres 1998 Tahoe

    Update time. Truck now has amazon tow mirrors. They're ricey and shake alot more than I wanted them to but someone took off my drivers side mirror so I was kind of stuck. I put a 50in light bar on the roof and come to find out the roof rails are not 50inches wide... I was drunk when I ordered it...
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    Dowsewasheres 1998 Tahoe

    Update: I've put 3100 miles on the new transmission. Although it shifts funky and shutters on tcc unlocking at like 70+ I think the trucks doing ok. I put a new waterpump and thermostat although its still kind of leaking a little bit of coolant. I heard mixed reviews on thread sealant for the...
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    Issues with Shifting 1-2

    It shift literally fine if I'm easy on it and if I am beating on it the trans just take a second between 1-2, shifts fine 2-3 and 3-4. I cant figure out. Is the fluid of concern? I am using Valvoline Max Life ATF.
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    Dowsewasheres 1998 Tahoe

    Hey Guys, I put a reman transmission I got out of 4.3 vortec parts truck into my 5.7 tahoe. The main concern I have been having is in regards to the 1-2 shift. Theres a slight flare and theres a pause between the truck shifting if I'm shifting above 2000rpms. Is the transmission slipping? I got...
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    Issues with Shifting 1-2

    Hey Guys, I put a reman transmission I got out of 4.3 vortec parts truck into my 5.7 tahoe. The main concern I have been having is in regards to the 1-2 shift. Theres a slight flare and theres a pause between the truck shifting if I'm shifting above 2000rpms. Is the transmission slipping? I got...
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    Thz71's werk truck build

    Kind of a sweet work beater
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    Dowsewasheres 1998 Tahoe

    Another boring update because I have about 1000 miles on the swap Minor exhaust leak due to the reuse of the exhaust donuts at the header and the mid pipe wouldn't stay together due to not getting all of the old gasket material off. The truck had suffered a misfire problem which was a set of...
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    Starting problem

    I mean this sounds insane but was your battery not tight? Mine was only in thr truck but I had the same issues
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    TCC Shutter or Misfire

    Just to end this debacle. I changed the spark plug wires with duralat regular wires and my truck runs top. I realized after driving through the rain and the mis getting worse it had to be wires not the transmission.
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    TCC Shutter or Misfire

    Also last night my friend who is a small motor mechanic felt it since he helped with the transmission swap and said it sounded like a chugging misfire. Is there ANY way to differentiate a miss from a trans issue?
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    TCC Shutter or Misfire

    I have not check fuel pressure yet, I can but I feel like this might be an ignition issue because of the spark leaving the boot causing weak spark under light load. I could be super wrong about this. It is just annoying to deal with some days because some some inclines its fine and some its...
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    TCC Shutter or Misfire

    I finally got around to looking and I notice with the good ole water trick there was a ton of spark leaving the bottom spark plug boot jumping straight to the headshield around the headers. So I will be replacing those and the spark plug themselves to see if it fixes my problem. Its happening at...
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    TCC Shutter or Misfire

    I may also thing my O2 sensors might be the issue as the exhaust came off the truck for several days and we had to drill and punch the studs out of the catted mid pipe section. But idk what to look for aside from the electrical and fuel pressure. I still know my buddy was shocked by something...
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    TCC Shutter or Misfire

    Well NOW my truck is doing it underload around 50+, I am not getting a code for either TCC Solenoid or misfire. I'm going to do the spark plug wire test tonight. I may go out and see if I can read its fuel pressure and see if my pumps on its way out and pull the plugs too. Still runs top but...
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    TCC Shutter or Misfire

    So i went and checked, and whatever hack did my plugs and wires 4 years ago left like half of the plug wires touching each other. SO I'm going to do the spray bottle trick to see if that is one of the issues. I seperated them with zipties roadkill style and it still burbles at idle. I guess some...
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    TCC Shutter or Misfire

    Hello everyone, Background on the truck, 1998 Tahoe LT with the 5.7. I put a newer rebuilt 4l60e with a S10 converter (higher stall, aka 40mph in OD is like 1100rpms). I'm getting bucking around 40-50 where the TC would lock and unlock. My issue has to do with when we were finishing the swap...
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    Dowsewasheres 1998 Tahoe

    So back again. Started the swap wednesday morning and short of the new transmission cooler and exhaust everything was back into place. Autozone still carries my exhaust gaskets and stuff which was cool. I have like 10 quarts in the truck of Valvoline Maxlife ATF as break in atf. The higher...
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    Dowsewasheres 1998 Tahoe

    A little late but never I managed to pull apart my parts truck. It was a huge pain. I figured with the motor being so small it would be no problem but it hit what was left of the cut off exhaust and the passenger side motor mount. Time to do mine. I found and I'm posting it here for myself. The...
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    Dowsewasheres 1998 Tahoe

    Ok so another boring update to my tahoe. I still have it. The battery issue was due to a bad ground connection on the harness. Took forever to find but everything is good. I bought a 1998 Silverado Work Truck. 4.3 V6 with rod knock. BUT! It had a fully rebuilt 4l60e. I plan in the next two weeks...
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    NBS 4l60e into our OBS trucks

    Well I am looking at roughly a $600+ trans swap. I also have a NBS 4l80e as an option too. I really just want to get another 98.... I want the new trans but I dont want all the extra stuff honestly but we will see. Bill thank you for the information.
  23. D

    NBS 4l60e into our OBS trucks

    It also sucks that the swap to just put a modern LS is so much cheaper to mount to my trans than to mount a modern LS trans to an OBS motor.
  24. D

    NBS 4l60e into our OBS trucks

    So final run down you had a 4l70e, the adapter kit, new starter (OBS or NBS?), obviously new fluid and trans cooler lines? No modifications to the TCM or harness, or modifications to the driveshaft? The more stuff I have to buy I want to just replaced the stocker or rebuild it. I'm sure its...
  25. D

    NBS 4l60e into our OBS trucks

    So on top of the adapter stuff and 4x4 shifter it bolts in? Question as to why I cant use the TC from either the newer 4l60e or my TC. Different input shafts? or could I just get a converter that will mate the newer 4l60e and older 5.7?

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