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  1. C10MixMaster

    Power Windows Troubleshooting Info

    circuit breakers reset themselves on my 77 , which i think is the same as your 80 , power comes from the junction block on the fire wall to the breaker near the brake booster and then to a relay that's powered by acc. on the brake pedal assembly (behind the radio) and then to the harness to...
  2. C10MixMaster

    Outside door handle rod

    use a magnet and go fishing in the bottom of the door it might be there if not... https://www.lmctruck.com/1973-87-chevy-gmc/cc-1973-87-front-door-components as for the 2 holes, when you get the clip it will have a tab on it that catches on the upper hole and then you inert the rod through...
  3. C10MixMaster

    Quadrajet too rich!

    OK things that's can cause hi CO and HC under load problems with the ignition system causing a miss under load. plugs use only stock type plugs nothing fancy, no platinum's , no iridium's , no multi tipped plugs they are just going to cause you problems. check you plug wires , I like to use...
  4. C10MixMaster

    Quadrajet too rich!

    are these idle readings or do they do a dyno run and take reading?
  5. C10MixMaster

    Quadrajet too rich!

    to rich at idle cruise or acceleration? do you have a copy of your emissions test it would help
  6. C10MixMaster

    Opinions on an Engine Swap for 81 C10

    looks like around 1988 is when roller cams started showing up in the SBC . So if you want a roller cam block look for 88 and later. 1 NOT all 88 and later blocks are machined for a roller cam a lot of trucks were flat hydraulic lifters 2 Some late 80's and 90 blocks are machined for both...
  7. C10MixMaster

    Opinions on an Engine Swap for 81 C10

    No its hit and miss. GM got stupid on this one. Some are not machined at all, some are machined with holes for a cover plate but no hole for the rod , and I've heard some have all the holes but the pump rod wasn't finish reamed. In addition the cam may or may not have a fuel pump lobe...
  8. C10MixMaster

    Opinions on an Engine Swap for 81 C10

    A couple things to note if going the vortec rout is the manifold is different and most of the blocks are not machined for a fuel pump. The heads do not have provisions for the exhaust crossover in the manifold, if you are in cold weather it might not like the cold.
  9. C10MixMaster

    What have you done to your square lately??

    finally have tunes !! woohoo. Hated cutting the holes but it needed to be done.
  10. C10MixMaster

    Cleaning differential

    spider gear thrust washer???
  11. C10MixMaster

    Brake pedal needs manually reset after depressing

    sorry not a hydroboost expert , but sounds like a ps pump/ hydroboost issue and not a brake issue. Just my 2cents.
  12. C10MixMaster

    Cluster guages do not work

    a couple things to check all pink wires should be hot 12v with the ignition on all the gauges should have 12v on one terminal and ground on one terminal this can be checked at the metal tabs behind the gauges . if the previous owner swapped clusters or circuit boards they might not be...
  13. C10MixMaster

    Front brakes lock up in panic stop

    Even in the days of 4 wheel drums the front were bigger.
  14. C10MixMaster

    Front brakes lock up in panic stop

    Not sure who lou is? I didn't design them but they are designed to lock up in front first. If you fronts lock first you will continue in a strait line , if the rears lock there is a good chance the rear will go sideways . neither is a good situation but going down the road sideways is worse...
  15. C10MixMaster

    Front brakes lock up in panic stop

    The reason ABS was invented was to prevent wheels locking on panic stops. Our truck are old school if the wheels lock during excessively hard stopping you have to lift and reapply (or learn the sweet spot where the tires are making black marks /hazing but not locking). Also the fronts should...
  16. C10MixMaster

    What have you done to your square lately??

    replaced my oil gauge
  17. C10MixMaster

    What have you done to your square lately??

    Finally wired up my keyless entry
  18. C10MixMaster

    Fouling issues

    not the best pic but that's a lot of fouling im leaning towards oil. that much fuel fouling should run like crap. possible rings not seated, leaky intake, leaky valve seals pcv bad (i bought a zz4 motor that had plugs like that and all it was, was a bad pcv valve).
  19. C10MixMaster

    Fouling issues

    I think a pick of the fouling would help make a more accurate diagnosis. It could be fuel fouling or oil fouling and that's two different directions to go in. If it is fuel fouling you can rejet your eddy although a qjet is a better carb.
  20. C10MixMaster

    Vacuum line identification

    Im pretty sure it supplied vacuum to the heated air intake that is missing from you air cleaner snorkel
  21. C10MixMaster

    Brake booster

    lengthened will give you a higher pedal up to a point then it hits the pedal stop, shortening it will lowered the pedal ,should be adjusted to rest on the stop. The pin to the master cylinder should be set when it was rebuilt , there is a measurement to set it set it to long and the master...
  22. C10MixMaster

    02 Cluster in a 73 C10

    Here's one way to do it The late model gauges work completely different from the early stuff in our trucks and are not compatible. you will have to get the entire dash harness to go with the gauges and possibly the BCM.
  23. C10MixMaster

    How to fix loose gm steering column

    The red mark is where to remove metal for the extra step for the 4 speed
  24. C10MixMaster

    How to fix loose gm steering column

    If no one has an actual pick this might help.. first pic is a different style. but shows the cut pattern
  25. C10MixMaster

    Can it be saved

    I've been thinking about doing flames on mine. Seems like a good look for a 70's pickup.

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