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  1. Broken85

    700R4 Information Thread

    Finally got it back to the builder. Pan gasket was leaking anyway, so he had to drop it no matter what to fix that. I bought the Sonnax reverse boost valve you suggested and handed it to him. Worth the $30 so he had no excuse not to get it all done at the same time. Retested it, 1 and 2 are at...
  2. Broken85

    Intro from an old Assembly Plant guy

    You built mine in October of 1984!
  3. Broken85

    Wiper Issues

    Officially, Lights don’t cross on that system, nevertheless, here we are. I think The purple wire (but someone will correct me if not) in the harness is the ground and the motor is ground triggered. Unplug the switch from the harness. Check the switch for continuity with the purple and also the...
  4. Broken85

    Ball joint

    If the zerk fitting is new; Pull it out and see what is at the bottom of it. It should be soft grease. If it is anything hard, 1) try and clean it out with a pick and see if it will take grease. If still no joy 2) replace the joint. If there is any chance of the joint being salvageable, there...
  5. Broken85

    Glass lock strip replacement

    They sell these kits at LMC. I bought the chrome strip since that was what my truck had originally, and a new weather seal when I had windshield replaced. I brought both of them to a windshield guy to do the install. The chrome started to crack and fall apart during the installation and I had...
  6. Broken85

    Aftermarket A/C?

    I feel like we are being punked?
  7. Broken85

    Aftermarket A/C?

    Please don’t do this, just roll the windows down and call it a day. I don’t know if the internet is ready for it…….
  8. Broken85

    Ball joint

    A few things to try. First, replace the grease fitting. It is probably clogged or rusted. When you have the grease fitting out, check the bottom of the fitting hole and make sure it is not plugged at the bottom with rust or crap. This will solve the problem 90% of the time. They are like $0.50...
  9. Broken85

    Chevy k10 vacuum line questions

    This should get you started. Good luck. Harmonic balancer; it is works don’t F with it. Helps to know what model and year you are working with
  10. Broken85

    Replacing K20 fuel tank

    If you try to replace this valve, just learn from my mistakes; I decided to replace the Pollak valve when I had the tanks down and I was installing intank pumps. I purchased this valve new from Autozone, and it was junk. It was nonfunctional out of the box...
  11. Broken85

    Rear Brakes Locking Up

    @Goldie Driver; when you have eliminated all the possible, what remains no matter how improbable, must be the truth. So if you traced them from the PV back to the MC, then what you found has to be the truth. I can’t really tell from your pictures how they trace back, but those lines don’t look...
  12. Broken85

    Replacing K20 fuel tank

    The valve can be changed from the ground, it isn’t as bad as it looks. When you have the passenger side tank down it is even twice as easy to do. It is only two bolts. Cut the hoses to get it out and replace with new fuel line. It’s a 90 minute job, even with the passenger side tank still up...
  13. Broken85

    82 style bunper fog lights

    Amazon too
  14. Broken85

    Heat and AC

    I would check the switch valve first. Get under the truck and have someone throw the switch and see if the valve is making noise. Two options; disconnect the wiring harness off the pollak valve and use a test light to map it out. If you have power on two separate wires (when switched)...
  15. Broken85

    Best rebuilt th 700R4?

    If you are in AZ, ship a core to @NicksTransmissions in Las Vegas. It is your safest bet. If you watched some of his videos rebuilding a new "HD 700R4" that melted down, you'll realize all you are paying for sometimes is stock parts and black paint when you buy them through the mail. Would...
  16. Broken85

    Dual tank install

    Hopefully your wiring is still in place. The switches are available on LMC. Just make sure you get the right year. If they left the wiring for the pollak valve you are in good shape. Put up two new tanks while you are there. It’s like an extra $100 each side. Also, Pro-tip; extend the fuel...
  17. Broken85

    dies at low idle speeds, when put into gear and when stopped.

    OP, Look for air leaks between the carburetor and intake manifold at the gasket. It’s usually an easy starting place and could explain symptoms of vacuum leaks or mixture problems. Idle RPMs should be around 900 (give or take 50 depending on your set up) I keep mine around 850. If idle rpms...
  18. Broken85

    1981-87 Chrome body side molding

    LMC makes precut kits too. My set is going on three years without issue, but full disclosure, mine stayes in the garage. Make sure you edge buy the sealant for the ends. Without it, water gets in and ruins the trim.
  19. Broken85

    8.1 vortec into 1979 k30

    I like your fab work on top of the cold case radiator to fill that gap, I have the same issue I am trying to solve. I bought the same one and, this is a rare case where I am really impressed with the fabrication quality of a product. Cold Case Radiators are expensive, but once the bill is paid...
  20. Broken85

    fuel line clamps

    Pumps for carbureted fuel systems are only 5psi-ish give or take (between 4-8lbs typcially). A good shoe strig will probably seal 5lbs of pressure. Spring clamps are pretty much industry standard for the the past 20 years +
  21. Broken85

    Rough country lift

    The heavy duty front end is enumerated on the build sheet (F60 Heavy Duty Front Spring). I imagine that it is basically a mid 80's version of a snow plow prep package or something which lines up with my trucks original build because it also came with UA1, Dual Batteries. We have several...
  22. Broken85

    Rough country lift

    The short bed K10 suspensions are unforgiving. The trucks are light, and have a short wheel base. They get the same spring treatment as the long-beds. Mine is a stock suspension with the industrial front end and it rides like tractor with a better radio. This is the main reason I don't want...
  23. Broken85

    '82 K10 Fuel Gauge Pegged

    The only thing that change was the circuit board, and everything worked before that. Easiest diag is to send it back and try another. Have LMC replace it or try another company. Don’t beat your head against the wall with anything else until you try this. I am going to do a post soon on the...
  24. Broken85

    AN fuel line kits

    The best way to cut the tubes is with a dye grinder. Before you cut anything, make sure you make a good tight (and thin) wrap with Electrical tape to prevent the braiding from unraveling (which it will unravel a little but don’t get intimidated). 6AN is basically the same as 3/8” hose. Braided...
  25. Broken85

    Custom Fuel Tank Location - Filler & Vent Hoses.

    Yep, make it. Or have it made. It doesn’t have to be a TIG job since it will be hidden. No need to make it super fancy. A good MIG guy will make it just as good. Have him make 10 and put 9 on eBay. You might be famous. Would love to see this set up when you are done. That tail light set up is...

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