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  1. T

    Rebuild th400 or 4l80e?

    Thank you! This will be for towing and daily driving so rarely will I flex it above 5500 rpm Will this one not fit the factory drum? https://transpartswarehouse.com/34652a-4l80e-th400-gm-chevy-transmission-intermediate-sprag-34-element-heavy-duty.html
  2. T

    Rebuild th400 or 4l80e?

    Nick, can you point me in the direction of replacement sprags for this th400?
  3. T

    Rear Shock Extenders

    Do you mind sending me pics of the Timbren stops installed?
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    Rebuild th400 or 4l80e?

    Nick, Do you recommend a heavy duty tow rebuild kit and a shift kit? This one looks good: https://www.onlinetransmissionparts.com/400-1-2-p/400-1-2.htm https://www.onlinetransmissionparts.com/MRK3400A-HP-p/mrk3400a-hp.htm
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    Rebuild th400 or 4l80e?

    My tech told me it would be cooler if it didn’t hit the warmer radiator. More cooling time does make since.
  6. T

    Rebuild th400 or 4l80e?

    I daily drive not run through the radiator. Exterior only.
  7. T

    Rebuild th400 or 4l80e?

    Yes. External cooler
  8. T

    Rebuild th400 or 4l80e?

    Howdy all! I have an 85 454/th400 suburban and my first travel trailer pull (6miles in) caused me to puke out new tranny fluid out the vent tubes. The fluid came out burnt and black so I’m guessing the clutches are shot. Should I rebuild this thing (much cheaper?) or swap to a 4l80e (new shaft...
  9. T

    New build 454 and the wife hates the exhaust smell

    Smoked tested the exhaust and found some leaks.
  10. T

    New build 454 and the wife hates the exhaust smell

    Thank you! It’s a full thank you! We have the hyperspark distributor too and it’s really slick.
  11. T

    New build 454 and the wife hates the exhaust smell

    Thank you!
  12. T

    New build 454 and the wife hates the exhaust smell

    Sniper II and it runs perfect thus far. Exhaust exits behind both rear wheels. Exhaust smell does come in the cabin especially when sitting at a light for a bit. On the highway it is good.
  13. T

    New build 454 and the wife hates the exhaust smell

    Thanks. Do you have a recommendation on any brands?
  14. T

    New build 454 and the wife hates the exhaust smell

    A few weeks. I was just curious on how much (if any) a high flow cat might cut down on the stink?
  15. T

    New build 454 and the wife hates the exhaust smell

    Howdy all! I recently rebuilt an 85 suburban 454 and stripped the factory exhaust off for a hooker black heart 2.5” x pipe dual system. Well, my lovely wife hates the exhaust smell and I was curious if some high flow cats might cut down on it? Let me know if anyone has any recommendations! 454...
  16. T

    Can’t find a heater core for my c20 suburban…

    Ordered this one but it will be one inch shorter in width (original is 7” wide, this is 6”). We’ll see how it works. https://www.summitracing.com/parts/SUM-382193
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    Can’t find a heater core for my c20 suburban…

    Already did, it has ac but it looks like an aftermarket ara system. The non ac heater cores are way smaller than the one in this truck.
  18. T

    Can’t find a heater core for my c20 suburban…

    Howdy all, I can’t find a heater core for my 85 c20 suburban. Can y’all help?
  19. T

    454 engine rebuild and intake gasket leak

    Bolts were really loose. Some were down to only 5 foot pounds when spec is 25. Hopefully it solves it.
  20. T

    454 engine rebuild and intake gasket leak

    the heads were cleaned and machined, all new gaskets everywhere, and a new edelbrock air gap intake. I’m about to go retorque everything because we haven’t checked that post heat cycles. Wonder if that could be it?
  21. T

    454 engine rebuild and intake gasket leak

    Went with this as a replacement order today: https://www.summitracing.com/parts/FEL-1212S3
  22. T

    FS Powermaster alternator (new) and Holley fuel pressure regulator (new)

    All parts are sold
  23. T

    454 engine rebuild and intake gasket leak

    Howdy all, I have an 85 454 we just rebuilt for my truck and we put 100 miles on it and the new intake gasket is leaking. It has an edelbrock air gap intake and we used a felpro intake set for it. Would something else work better? What a pain…
  24. T

    FS Powermaster alternator (new) and Holley fuel pressure regulator (new)

    Howdy all, I have a new in box powermaster single wire 150 amp for sale. This retails at $200 plus and I can let it go for $130 shipped. I also have a new Holley 12-882 high pressure fuel regulator and this retails at $90. I can let it go for $55 shipped.
  25. T

    Anti theft digital guard dog fob?

    Good to know. I’ll look at a different setup then. What would you recommend?

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