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  1. 89GMCJimmy

    No way this is right?

    What would you swap it out for? I'm running stock on my 89' TBI, Have you had success upgrading?
  2. 89GMCJimmy

    Spark plugs for 87 350 tbi

    So late 80's TBI vs 70's-80's Carb Old HEI coil on cap vs points vs newer HEI coil separate from cap. Basically the same vs heat range? or are there different recommended for each specific type. My 89 calls for the CR43TS seem to fine I'm running them at .040 gap cause I read that was better...
  3. 89GMCJimmy

    No way this is right?

    I'm not positive but I believe your Brake Master Cylinder is off a newer vehicle too. My 78' Jimmy had an iron reservoir.
  4. 89GMCJimmy

    No way this is right?

    This is a stock 1989 350 TBI set up, PCV is pass side going into front of TB. Drive side has vent going into riser between TB and air cleaner.
  5. 89GMCJimmy

    No way this is right?

    It depends are you trying to set it up as the 1978 or set it up as the newer engine was stock?
  6. 89GMCJimmy

    modern size wheels that fit squarebody chevies

    This one
  7. 89GMCJimmy

    modern size wheels that fit squarebody chevies

    Front axle truss
  8. 89GMCJimmy

    modern size wheels that fit squarebody chevies

    Yes, So sad I'm not the flashy Californian guy, I also surf in a black wetsuit without bright lettering. Crazy isn't it!!! I may have to buy a new set of tires and request white lettering inside and out.
  9. 89GMCJimmy

    modern size wheels that fit squarebody chevies

    My Jimmy with 3" lift and 33"x12.50 x 15 rubbed on full compression wheel turned with a 10" wide rim. I swapped out for 15x8 rim and it does not touch at all. Both rims had a 3.75" backspace
  10. 89GMCJimmy

    '73 K20 bucking bronco

    15x8 pro comp 8 hole 33x12.5x15 BFG Eventually gonna go with 17x8 and maybe Toyo 285/70/17
  11. 89GMCJimmy

    Quads shocks, going to single shock question?

    What did you end up doing, which position, forward (aux longer) or rear (stock shorter) Seems like there are many posts about keeping shock angle vertical but the stock angle is steeper than aux??? Mine is in stock location and doesn't ride great well on streets and Hwy getting to OHV locations.
  12. 89GMCJimmy

    modern size wheels that fit squarebody chevies

    Damn wish I knew
  13. 89GMCJimmy

    Suburban Suspension Upgrades

    Mine rides pretty good off-road but getting to and from OHV roads on the freeway is pretty bad spongey boaty with the lift how does it affect shock angle? I have the two options also would a Bilstein with different valving help? I'm looking for cheapest option till work picks up again, I'll be...
  14. 89GMCJimmy

    '73 K20 bucking bronco

    Rory did your K5 smooth out My Bucking K5 has 500+ highway street miles and 60+ offroad miles. I can not get my 89' Jimmy to feel tight but not harsh. It does great offroad for a fairly stock truck with a couple ORD HD upgrades. However driving the freeways to and from places you can drive OHV...
  15. 89GMCJimmy

    Leaf springs

  16. 89GMCJimmy

    Leaf springs

    I wish it came with the stock springs but it had rear blocks and rancho 3" fronts with dual rancho shocks. It rides about the same on streets and FWY but uses and has more travel off road especially when I disconnect the sway bar
  17. 89GMCJimmy

    Steering gear box replacement or rebuild?

    Does the crossover steering work with lifts under 4" ? I have a 2" front lift that actually sits 3" over stock but may sag back to 2"? Would you still recommend crossover? Thanks
  18. 89GMCJimmy

    Leaf springs

    yes I have the 2" tuff country springs, they actually measure 3" over stock springs and they are the easy ride not heavy duty. I am hoping they sag. 2" lift or 1 1/2" would be perfect for me. 33" tires fit on my truck with an 8" wide 3.75 backspace, I had a 10" rim prior to these and they rubbed...
  19. 89GMCJimmy

    Leaf springs

    If you don't mind spending the cash I would go with Alcan springs in CO. Prob close to $800 for the pair.
  20. 89GMCJimmy

    Leaf springs

    http://atlassuspension.com/oem-leaf-springs.html
  21. 89GMCJimmy

    Leaf springs

    A BFG 31X10.5R15LT Tire recommended rim width 7-9" I'm guessing your stock is in the ball park 3.73 gears with 31" tires should be perfect all around gear ratio As far as springs go call before you buy. You could look around for a used stock 3 spring pack. I gave mine away to metal scrap guy.
  22. 89GMCJimmy

    Largest Tire size stock K10 4X4

    :gm::big_banana_Dance::king:
  23. 89GMCJimmy

    Leaf springs

    15x8 rim Make sure to check backspacing on rim before purchasing 3.75" or less on 15" rim The tie rod sits pretty close close
  24. 89GMCJimmy

    Leaf springs

    Do you know what your gearing is? 31x10.5 will look perfect with stock springs. My 89' Jimmy came stock with 3.73 gears and 31x10.5x15
  25. 89GMCJimmy

    Leaf springs

    https://www.sdtrucksprings.com/index.php?main_page=product_info&products_id=1448&gclid=Cj0KCQjwy6T1BRDXARIsAIqCTXrNqTgDePISoqlgHiywovHOZ9y2YSN6WcATvKCoupYuHaQL3TG7biwaAkvMEALw_wcB Stock springs here. If you plan on running any tire over 31" I would suggest a 2" lift min

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