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  1. J Knight

    2/4 drop wheel sizing

    I think a staggered looks best imo. Front 15x8 with 4in backspace 245/60/15 tire Rear 15x10 with 5in backspace 295/50/15 tire. If you want a slightly taller tire go with 255/60/15 275/60/15
  2. J Knight

    Auto floor to column shift

    Since you are getting another column, try to find one on a truck with all the pieces intact from column to trans so you can get all the parts you need as well as see how the parts go together.
  3. J Knight

    Coil spring spacers

    Did you lower the rear with 2in drop shackles?
  4. J Knight

    DJM Drop Spindles Rotor Size?

    No problem....its not easy judging other peoples laziness on a truck forum...good luck in your spindle debacle.
  5. J Knight

    DJM Drop Spindles Rotor Size?

    Remove your rotor and see if it matches. It will take all of 10 minutes to find out.
  6. J Knight

    DJM Drop Spindles Rotor Size?

    I dont know the measurements for the spindle shaft but is there a part number cast in the spindle?
  7. J Knight

    WTB 73/87 stepside bed.

    https://houston.craigslist.org/pts/5101503080.html
  8. J Knight

    Anyone here done a long bed to short bed conversion?

    I was also thinking that overdrive on top of overdrive.....i. e. 8th gear, would be to high for the low end torque to be useable.
  9. J Knight

    Anyone here done a long bed to short bed conversion?

    Yes it would, I just was curious because your original post seemed like you you didn't know a 4L80 was an overdrive tranny. My mistake. LOL
  10. J Knight

    Anyone here done a long bed to short bed conversion?

    You want to run a 4L80 and a gear vender overdrive?
  11. J Knight

    Minor problem became large with McGaughy spindle

    Cheap with free shipping too. http://www.summitracing.com/parts/clp-cp4s4/overview/year/1978/make/gmc/model/c15
  12. J Knight

    Minor problem became large with McGaughy spindle

    Yes sir MHarvey, I do remember. I would recommend getting some CPP spindles for 1.25 rotors. I put a set of those on my 78 with zero issues.
  13. J Knight

    what year truck did i buy?? experts needed!!

    I haven't read the whole thread but here are a few things to look for. Front crossmember that has the proportioning valve bolted to it has big holes in it from 81-87 and is solid from 73-80. This is the same with the crossmember between the leaf spring hangers. Pull off your gauge bezel and...
  14. J Knight

    73-74 Bowtie

    http://67-72chevytrucks.com/vboard/showthread.php?t=439104 Well I hate to say you are wrong but with all due respect you are. The 73-74 grille bowtie is not a bolt in piece, in fact it is a thin embossed piece of metal that is affixed to the grille with adhesive on to the bowtie block thats...
  15. J Knight

    73-74 Bowtie

    I don't think you can get just the sticker for the bowtie for the 73-74 grille but the new repop 73-74 grille has a great new bowtie sticker on it. Its made by Keyparts Inc. Look them up, maybe they will sell the stickers,
  16. J Knight

    20" tire

    On the rear yes, on the front no.
  17. J Knight

    Vent window years

    71 ain't going to fit. You need 81-87/91
  18. J Knight

    Not sure which core support to buy

    If you want to keep the front clip as is you can get any 81-87/91 core support and swap it in. If you want to return it to a 78 you will need a 73-80 complete front clip as well as windshield wiper studs and bumper.
  19. J Knight

    Newbie trying to drop Dually

    I need a few measurements to see what you need to do. 1. Axle tube diameter. 2. Leaf spring pack thickness(pics of leaf springs also). 3. Top of leaf spring pack to bottom of frame rail(not the bumpstop pad or bracket). Taking this measurement twice, once with no trailer and once with a loaded...
  20. J Knight

    Where can I find 10" wide 5 on 5 15" Aluminum Slots??

    Craigslist, eBay, ect. They dont make 15x10 slots anymore.
  21. J Knight

    G-body Headers on a Square??

    From what I hear, long tube 2nd gen camaro headers fit as well as 3rd gen Chevelle headers. They tuck much better than long tube truck headers.
  22. J Knight

    Minor problem became large with McGaughy spindle

    Do you think the parts store could have given you the wrong calipers or rotors? Fwiw...my 78 has CPP drop spindles for 1.25in rotors with no issues.
  23. J Knight

    Minor problem became large with McGaughy spindle

    Makes me wonder if they drilled the caliper bolt holes off by 1/8in...
  24. J Knight

    Minor problem became large with McGaughy spindle

    Im really curious as to why you had to grind any part if the spindles. Did they by chance send you the wrong spindles? Mine needed absolutely no modifications on my 82 chevy with 1in rotors and 15x6.5(4.25in bs) rallys. My neighbor didnt have any issues either on his 85 GMC with 15x8(4in bs)...
  25. J Knight

    minor inconvenience with McGauhhy's drop spindles

    Ive never had to grind anything off of any spindles and I do have a set of McGaughys for a 1" rotors. You will have to slightly bend the hard part of the brake hose for it to clear the ball joint.

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