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  1. Old60Driver

    Finding smog pump 1985 Chevy K20

    Sorry for coming back to the party late (got sent out of town for work). I just went through the garage, and I couldn't find it. I can't imagine I threw it out, so it must be in my storage unit. I'll try to get over today and check, but I think it's going to look just like the '85
  2. Old60Driver

    Slow Climb To The Top

    Modulator valve dead? Or vacuum line popped/disconnected? I don't have a lot of experience with transmissions (TH400), but when mine became disconnected, my trans acted really goofy. Also, there's a yellow wire under the dash that I disconnected on accident. Had some weird effect on the...
  3. Old60Driver

    Finding smog pump 1985 Chevy K20

    I took the smog pump off of my '83. I'll see if I can dig it up, and get some pictures
  4. Old60Driver

    Sound about right for some weight reduction issues?

    So my '83 K20 has some weight reduction making itself known, so I figured it's time to get in there and do something about it. I've got a few significant issues (holes), and quite a few more little rust spots. Was going to use the process outlined in the link below for the holes, and was...
  5. Old60Driver

    Exhaust Cut-Out Performance

    I'll take a look, thanks!
  6. Old60Driver

    Exhaust Cut-Out Performance

    So if y'all saw my previous post, you know I installed an exhaust cut out on my '83 K20 a month or so ago. Two to one exhaust, long tube headers, reworked 906 heads, vortec intake and a Summit 1103 cam. Been a blast cruising in the ol' girl! Love having the 'fun switch' for some light strip...
  7. Old60Driver

    Daughter's Exhaust Cutout Reaction

    So, I bit the bullet, and installed the 'fun' switch. I've basically got a two into one exhaust, and installed an Summit electric cut out right before the muffler. Checked it out in the neighborhood, and all seemed to be working, with no exhaust leaks. Went for a test drive, and took my 17...
  8. Old60Driver

    Lift or rebuild stock?

    I've attached some pics of the both rear leaf springs, and one pic of the front. The rear corrosion is what I'm really concerned with, the fronts actually don't look too bad. What are y'alls thoughts on their condition? Thanks again!
  9. Old60Driver

    Lift or rebuild stock?

    Thanks for the reply! I think this is the way. I need shocks anyway, so I'll probably just grab those, and replace the clamps as well!
  10. Old60Driver

    Lift or rebuild stock?

    Evening folks! Welp, I've got my '83 K20 just about dialed in, performance wise. And man, do I love driving the old girl. Constantly coming up with reasons to take her for a cruise! lol Decided I was going to go on and change both diff fluids, and the NP208 fluid to boot. Got under there...
  11. Old60Driver

    Pressure Washing Question

    Thanks Drifter! I didn't think there was any reason not too, but I'll be careful with the breathers just in case!
  12. Old60Driver

    Pressure Washing Question

    Probably a stupid question, but I'm wanting to replace both diff fluids, as well as the transfer case fluid. The old girl has quite a bit of crusted up gunk on the cases. I've done some light scrubbing, but it's on there pretty good. Can I just soak with a bit of degreaser, and pressure wash...
  13. Old60Driver

    Headliner what to do

    I'll go back and look for the details, but the wife and I ordered some headliner material (with foam) on Amazon (I think) that matched the original color pretty well. Some spray glue and some elbow grease, and it was as good as new!!!
  14. Old60Driver

    What tire size you running and pic for bonus.

    I'm really digging those rims. Details??? Also, that's a great looking rig!
  15. Old60Driver

    Spreadbore to squarebore adapter

    Hey y'all! I couldn't find a dual plane adapter, so I made one. Basically, cut a notch in my existing adapter (like the one that 82sbshortbed posted), and slapped in a piece of aluminum flatbar. I didn't really need to, but I RTV'd the slots after I inserted the flat bar. The change in...
  16. Old60Driver

    What tire size you running and pic for bonus.

    I'm running 285/75R16s. I think they look pretty good!
  17. Old60Driver

    Cool early Father's Day gift

    Okay y'all, just finished putting the new dizzy in. Literally took me twenty minutes. Maybe 21. lol This ol' girl has never run better. Made a couple of adjustments on the fly on the test drive. Damned cool!!! AND, I was able to add some timing when a load comes on at low RPM (A/C or...
  18. Old60Driver

    Cool early Father's Day gift

    Awesome. I'm actually going to use the it like it appears that you have it set as well. I don't have an A/C idle solenoid, but after talking to Ted at PI, he said that a lot of folks do what you did, and add timing at 500 rpm to bring the idle back up. Pretty excited to start this project...
  19. Old60Driver

    Cool early Father's Day gift

    Yes she does, and it's very mutual! :)
  20. Old60Driver

    Cool early Father's Day gift

    Thanks for the insight! So, just so I understand it correctly, you have it set for 36° max RPM based, and max vacuum @ 8°. So at all in (2000 RPM), are you at 36° or 44°?
  21. Old60Driver

    Cool early Father's Day gift

    Agreed. I'm punching WAY outside my weight class. ;)
  22. Old60Driver

    Cool early Father's Day gift

    Yeah, she's pretty amazing! Quick question. How much tinkering did you have to do with the timing map after it generated one? I don't mind tinkering at all, just curious. Thanks!
  23. Old60Driver

    Cool early Father's Day gift

    So, I've been trying to figure the timing curve out on my 83 K20 SBC for a bit. I was in a bind a few years ago and needed a dizzy, and picked up an Amazon special out of desperation. And, while the truck runs, I couldn't effectively tune the curve. My wife, awesome as she is, comes out while...
  24. Old60Driver

    Spreadbore to squarebore adapter

    So I recently upgraded my cam/heads/intake on my '83 K20. Nothing crazy, 906 heads, Summit 1103 cam, Summit 226062 intake. I've got a crappy Amazon special HEI dizzy that is coming all in WAY to early that I'll be changing soon, but that's a different post. lol Overall, she's running pretty...
  25. Old60Driver

    Modulator vacuum line

    Is it possible to swap out the long metal modulator line going from the intake to the modulator with a regular vacuum line? The existing line is pretty gnarly looking (bent to he**), and is a pain in the rear to work around. I'm a bit worried about heat softening it up over that long of a...

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