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  1. K

    TH400 Bolt on yoke problems

    I have an 86 dually and I have replaced the 454 with a chevy HT502 crate engine and the stock TH400 with a B&M Traveller TH400 transmission. Everything seems fine but my bolt on yoke seal keeps destroying itself. The first time I changed the seal I reinstalled the yoke but left the bolt a little...
  2. K

    Th400 tailshaft seal

    I have an 86 chevy c30 dually with a th400 trans fixed yoke 2 piece driveshaft. I recently put in a new b&m traveller TH400 transmission and when I did I had to swap over the tailshaft yoke from the old th400. At the time I just put in a new seal for a th400 and now it leaks. I did notice when...
  3. K

    Th400 tailshaft seal

    I have an 86 chevy c30 dually with a th400 trans fixed yoke 2 piece driveshaft. I recently put in a new b&m traveller TH400 transmission and when I did I had to swap over the tailshaft yoke from the old th400. At the time I just put in a new seal for a th400 and now it leaks. I did notice when...
  4. K

    Dually crew cab exhaust.

    Ok I have an 86 dually crew cab long bed with a 454. The factory tube manifolds (dare i say headers??) well anyway they are cracked. It still has both air pumps and tubes connected. On one side of the exhaust (or what is left of it) is rusted off behind the muffler no tailpipe at all. The other...
  5. K

    Big Block Towing Motor

    Ok I just got my 86 C30 dually home with a big block 454 and 4.10 gears. It's awesome. It is completely stock and untouched. Here is the bad though. All that emissions crap is all over the motor. I plan on putting headers and exhaust on it pulling off that intake and old q-jet carb for a good...
  6. K

    AC Hose help please

    I have an 87 chevy V10 4x4 truck. The truck is a custom deluxe and did not come with factory ac. I have installed factory ac from parts from the junkyard I think the donor truck was an 85 or 86. I've cut a new hole in the firewall built an adapter plate to cover the old one. All the ducts are in...
  7. K

    305 carb to 5.7 tbi need help

    Ok the truck 87 4wd 4speed manual (k10/v10 im still confused its a halfton 4x4) started out its happy life with a tbi 4.3. Then one guy decided to put a 454 in it then that blew up so then they put this 305 from an 85 in with a quadrajet. I just got a killer deal on a 5.7 tbi and I want to put...

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