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  1. jimmy78

    Lowered jimmy

    Lowered my 78 jimmy rwd with a bell tech 4/6 Back end dropped 8” since I didn’t re arch the leafs. From is dropped 6” with drop spindle and 3” lowering spring from brothers truck. Removed the inner fenders to make sure there was no rubbing issues ( building new inner fenders for replace) Only...
  2. jimmy78

    Bondo roof. What to do?

    1978 gmc jimmy lowered. Now I can see the roof in all its unfortunate things. Looks like someone stood on the roof and then filled it with bondo. How would you repair this? New panel? Can’t seem to locate a jimmy or blazer specific roof panel only c10 pickup roof panels. Pull the dents and...
  3. jimmy78

    Show me your lowered truck. The lower the better!

    Halfway through dropping the 78 jimmy Beltech 4/6 drop with 20” staggered.
  4. jimmy78

    Lack of acceleration

    I have a stock 5.7l 350 with a turbo 400 transmission. I don’t know what my rear gear is but the truck is lacking hard acceleration. Engine revs up and it takes a long time to build any real speed. Is this a transmission gear issue or could it be a rear gear issue? Clearly I am very new to...
  5. jimmy78

    Turbo 400 with rad cooler what lines are you using

    Looking at replacing trans cooler lines as they hang low and rub on steering components. What lines are you using? hard line (what size) An lines? What length for a turbo 400 in a 1978 jimmy?
  6. jimmy78

    Vacuum lines where do they go

    Looking at the carb on my 350 5.7l I have almost all the vacuum ports plugged off. The only ones connected are PCV valve to large port on front of carb. And turbo 400 to intake manifold. Hei distributor to small port on front carb. There is a vacuum actuator pot on the side of the carb that...
  7. jimmy78

    1978 jimmy bolt on roll pan

    Looking for a bolt on roll pan for a 1978 jimmy. I see a weld on option but I would prefer to keep it removable for access. Does anyone know of a product that is a bolt on or am I fabricating one from a weld on myself?
  8. jimmy78

    This makes 0 sense to me! Heater hose route

    Can someone shed some light on this monstrosity of a heater hose routing. Rad to heater core with tee to intake manifold Heater core to water pump This seems janky to say the least.
  9. jimmy78

    Tach not registering

    I purchased a truck with a aftermarket tach jammed in the bin and I am in the process of removing it. The after market tach was tied into the factory harness so i disconnected it and plugged it back into the factory gauges. When I turn the key the gauge pins down to the bottom and doesn’t...
  10. jimmy78

    Front edge of hood sitting high.

    Hello first time posting here so bear with me. I have a 78 jimmy that previously had hood pins. I installed the factory hood latch and the front edge of the hood now sits high when latched. I don’t have the hood catch lever installed as of yet. The latch loop is as far in as it can go with...

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