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  1. xm20k

    C10 Motor/Frame Mounts

    He's in the upper holes you're looking at them upside down.
  2. xm20k

    Engine Identification - Help Requested

    I'd pull some timing till she drops down to a normal idle (make sure it doesn't die when put in gear if automatic) and then drive it and see how it responds it probably has too much dialed in if everything else is good.
  3. xm20k

    What have you done to your square lately??

    Stop playing with your toys and pack my fenders. :laughing1:
  4. xm20k

    81 C10 SWB 2wd- upgrade to GMT800 99-06 brakes

    If your just looking to upgrade calipers to something a bit better than stock Wilwood sells a set of dual piston calipers for GM trucks and cars. Cheaper than swapping out the full brake setup, uses stock pads and fits in place of the stock caliper. other than that, you'd have to swap to a full...
  5. xm20k

    Engine Identification - Help Requested

    What's your initial and full timing? May have too much initial timing.
  6. xm20k

    K30 DRW Brake Drum Removal HELP!!!

    You will never forget. I hated doing these and the ford ambulances we serviced at the shop at least those were 90% trans swaps.
  7. xm20k

    What have you done to your square lately??

    200-4073-L and R no X Wheel opening trim is listed with an x part number. SKU Name Price Qty X230-4073-L Wheel Opening Molding - Front - LH - 73-80 Chevy GMC C/K Fleetside Pickup Truck Blazer Jimmy Suburban $20.99 1 X230-4073-R Wheel Opening Molding - Front - RH - 73-80 Chevy GMC C/K...
  8. xm20k

    What have you done to your square lately??

    Just put an order in at AMD for a set of fenders and wheel opening trim. Wasn't having any luck finding a set that weren't junk and were reasonably priced decided screw it I'll buy a new set.
  9. xm20k

    Radiator for my 83 GMC 305 with a/c recommendations

    Unfortunately, the cost of rebuilding a brass/copper rad is more expensive than a new full aluminum radiator if there is even a place left near you that even works on them any longer. Summit has a line 2 3 and 4 row for squares. 2 row...
  10. xm20k

    Alternator bracket not lining up with bolt hole in head

    That sucks, hope you feel better soon.
  11. xm20k

    Anybody know this disconnected tube?

    That I couldn't tell you find the other end pull it and take it with you to the parts store.
  12. xm20k

    Replacing The Quadrajet

    Most likely have to run a spread bore to square bore adaptor plate if you keep the stock intake and install an Edelbrock or Holly carb. https://www.summitracing.com/parts/mrg-1932
  13. xm20k

    Alloy works radiators

    I had bad luck with them warranty replaced one twice on an OBS with a SB swap (V6-V8) kept separating at the seams.
  14. xm20k

    Door Compatibility

    I'm pretty sure 77 and up was just hardware/trim changes the shell is the same.
  15. xm20k

    Anybody know this disconnected tube?

    Probably that vacuum port. Just a guess. If it was me, I'd buy a roll of vac line and replace all/most of it looks pretty dry rotted.
  16. xm20k

    Alloy works radiators

    Probably has more to do with the fans than the rad. I run a cheap 2 core summit all aluminum rad with no issues. I run a 10% underdrive accessory setup, 3-blade mechanical fan with half a shroud mainly to keep me from putting my forearm in it, 160 stat does not go over 175 on a 388 with 11.25:1...
  17. xm20k

    What have you done to your square lately??

    Started wiring in the digital relay and realized I'm out of heat shrink. Ran the 8-gauge feed out a grommet in the firewall right off the starter battery terminal. Port 1 is trans brake power and signal line to 2 step box which feeds the kill switch in the dash, still need to wire the line lock...
  18. xm20k

    Hide engine wiring

    Not really the engine harness that's my issue I already went thru it and took out all the unnecessary stuff and rewrapped it, it's all the add on stuff like the choke cable, AN oil pressure line, temp probes, line lock, trans brake and 2 step power supply lines that need tidied up, all the red...
  19. xm20k

    Alternator bracket not lining up with bolt hole in head

    @82sbshortbed Did you get the bracket sorted?
  20. xm20k

    What is this thang on my 84' Silverado?

    Fusable link
  21. xm20k

    Are these blocks factory?

    My C10 had 7 well 8 if you count the overload because BIG TEN.
  22. xm20k

    Comp Cams Break in

    Another thing to add before I drop a set of lifters in. I take everyone and stand it on end on a piece of glass or a mirror and check to make sure it is not flat on the bottom. They should be able to wobble around on the dome with one finger and no effort.
  23. xm20k

    Comp Cams Break in

    Some do and the bottom ones are the better lifter they also tend to cost more. Take a look what the AC Delco lifters look like.
  24. xm20k

    Power steering gear box

    Inverted flare adaptors they fit with the strait wall section down into the smaller diameter section with the domed side up and the flared section of line seals over the domed side. A few of the aftermarket boxes come with them that way they fit more vehicles. Without them you use o ring lines...
  25. xm20k

    What have you done to your square lately??

    Haven't done any work yet raining all day here but did pick up a new trans brake solenoid a couple 40amp switches and an MSD 135amp 4x electronic relay and some 8- and 10-gauge wire to tidy some stuff up while I'm in there. The plan is to ground switch both the solenoid and 2 step box off the...

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