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  1. Big Chip

    1979 K20 Headlight Open Circuit

    I second the floor switch.
  2. Big Chip

    Need honest quote for this truck, not a I know what I have?

    That's way up there!
  3. Big Chip

    1979 K20 Headlight Open Circuit

    Here's the wiring diagrams: https://www.gmsquarebody.com/threads/1973-1991-wiring-manuals.14498/
  4. Big Chip

    turn signal switch install

    I replaced the turn signal/cruise control stalk in a truck I used to own a few times. It really wasn't bad to fish the wires through the column.
  5. Big Chip

    Need honest quote for this truck, not a I know what I have?

    Where in California is it?
  6. Big Chip

    Square body steering column tumbler problem.

    Was the original a tilt column that was flopping around?
  7. Big Chip

    Grille for 1978 GMC Sierra Classic

    This is the one he's looking for. Yours is a 75 or 76 I believe.
  8. Big Chip

    Grille for 1978 GMC Sierra Classic

    I bought 2 grilles, one with some broken fins, one that spent it's life in the desert so it looks almost sandblasted and eventually found a NOS grille. They are out there but they are hard to find and expensive like Bucket said.
  9. Big Chip

    Stripped Holes in Rally Wheels

    You could try heli-coils. I'm not sure if it would hold but it's cheap enough and you can get the kit just at the parts store or hardware. I've had good success using heli-coils in aluminum in the past. https://www.stanleyengineeredfastening.com/brands/optia/heli-coil
  10. Big Chip

    Are shims still needed after cab mount replacement?

    Maybe you missed the part about my mounts not being all blown out?
  11. Big Chip

    Are shims still needed after cab mount replacement?

    So was yours.
  12. Big Chip

    Are shims still needed after cab mount replacement?

    The fact of the matter is that poly bushings work for most people. I suspect the problem some people have lies with a lack of lubrication and improper torque but who knows? I have a pickup and when I installed them I feel the ride improved. It seemed to have more torsional rigidity and...
  13. Big Chip

    Are shims still needed after cab mount replacement?

    Well, lady shiftpro, I must have gotten some super special ones then. My truck rode a bunch better after the poly mounts and my old ones weren't all blown out.
  14. Big Chip

    Are shims still needed after cab mount replacement?

    You're nuts.
  15. Big Chip

    Are shims still needed after cab mount replacement?

    I'm assuming you replaced the core support bushings at the same time but if not definitely do that too.
  16. Big Chip

    Are shims still needed after cab mount replacement?

    It's possible someone put the shims in to compensate for worn our cab bushings. I'd take them out for sure just to see where it ends up.
  17. Big Chip

    454 woes, off the road for the time being

    Pull the rocker cover off and check if you have a rocker arm off the pushrod. I had that happen with the 305 in my 86 GMC. I thought I blew it up but didn't discover the rocker arm until I had already bought a new engine.
  18. Big Chip

    454 woes, off the road for the time being

    What kind of noise was it making?
  19. Big Chip

    Suspension issues - which new upgrage to buy

    I would start with some proper lowering springs and if you have the stock bump stops on the lower control arms I would trim those. For the rear maybe look at Western Chassis and see if they have a lowering leaf spring option. I am going to assume you don't know what your front spindles are?
  20. Big Chip

    Problem getting a 1979 GMC 350 running

    Is your exhaust plugged by any chance? Bad catalytic converter?
  21. Big Chip

    Difference between HD and non HD front suspension 82 C-20

    Right on. I didn't scroll through that stuff but thought I remembered they were the same when I bought my new control arms. I suspect someone has what he needs for next to nothing.
  22. Big Chip

    Difference between HD and non HD front suspension 82 C-20

    Might I suggest you sell rather than scrap if it comes to that? I wonder if hd C20 stuff is the same as C30 parts? It's possible someone on here has the parts you need for cheap and can help out. Try a post on the wanted section before you completely give up.
  23. Big Chip

    Anyone use wester chassis 2/4 lowering kit?

    Looks like you guys are doing a good job so far! The questions about lowering are sometimes slow to be answered but most every other subject gets a pretty quick response so don't be afraid to ask anything.
  24. Big Chip

    Anyone use wester chassis 2/4 lowering kit?

    I tried to order a WC kit through Summit and it showed it as back ordered for months and finally gave up and bought from Switch Suspension. The problem was a part that Summit had spec'd and they couldn't get it after the rona shutdowns. Hopefully your transaction goes a little smoother. Make...
  25. Big Chip

    Anyone use wester chassis 2/4 lowering kit?

    I've never used them but never heard any complaints about them. The kits are usually less money through Summit Racing rather than directly from WC.

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