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  1. J

    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...
  2. J

    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?
  3. J

    Tach not registering

    So I ordered a new circuit board off ebay installed it all the tach came to life. problem solved. Here is a pic of all the factory gauges up and running. Took along time to chase everything down but it’s finally back to normal. Only thing is I think I have the wrong temp sensor as this is fully...
  4. J

    18 or 20" wheels?

    What’s the offset on a set of 20’s looking at the dtown smoothies for a 4/6 belltech drop on a 78 jimmy
  5. J

    I finally got me a squarebody

    I am also new to the square body’s and to forums. I can say that the people on here are very helpful and welcoming even to the dumbest things I have asked. Welcome to the group.
  6. J

    Vacuum lines where do they go

    I will get that number tomorrow.
  7. J

    Vacuum lines where do they go

    I will take a look at the back of the carb for a vacuum port that’s open. And look into electric chokes thank you.
  8. J

    Vacuum lines where do they go

    Might be easier to swap out for a new carb? Ports were capped prior to photo and capped again after. Runs and drives fine but needs a little throttle on cold starts to stay running.
  9. J

    Vacuum lines where do they go

    I do have 2 pcvs yes.
  10. J

    Vacuum lines where do they go

    Can anyone help identify what type of carb I have so I can looking up diagrams?
  11. J

    Vacuum lines where do they go

    I looked into that position but the ports are drastically different sizes. There is no port on the top that will fit the hose size the choke needs. Also I noticed a vacuum pot on the back of the carb that is wide open.
  12. J

    Vacuum lines where do they go

  13. J

    Vacuum lines where do they go

    Here’s my carb set up where does the choke vacuum go to?
  14. J

    Vacuum lines where do they go

    This is a lot a good information I am not very technically skilled when it comes to engines and there systems but I see “computer “ a lot in there. With my 78 the closest thing to a computer is the vacuum system.
  15. J

    Vacuum lines where do they go

    There is one on the left front corner (looking towards the firewall) that’s capped off yes.
  16. J

    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...
  17. J

    1978 jimmy bolt on roll pan

    I was hoping to just sneak it in there. The hinges will stick out over the roll pan I think. I may have to reconsider the roll pan if it effects the tailgate.
  18. J

    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?
  19. J

    Front edge of hood sitting high.

    I’m happy to say I have it sitting down properly now and I even have the hood catch working. Thanks to everyone for the help on this one.
  20. J

    This makes 0 sense to me! Heater hose route

    Unfortunately the port on the rad is there and with the trans cooler there they tend to work together. Not wanting to plug a big hole if I don’t need to
  21. J

    Tach not registering

    If someone has a working one they would part with let me know
  22. J

    Tach not registering

    Cleaned up the terminal block, crimped new ends on both the ground and the signal wires. Added a ground from the head to the firewall. All gauges are alive now with the exception of the tach. I think I’ve kicked the dead horse enough and I may have to purchase a new tach. Fingers crossed it...
  23. J

    Front edge of hood sitting high.

    You could be on to something here. I was finishing up the hood latch and realized there is no catch latch hole on the hood.
  24. J

    This makes 0 sense to me! Heater hose route

    So in reality the difference from intake connection and water pump connection is a few minutes earlier hot coolant through the core. As it will be constantly flowing if connected to the water pump back into the rad till the rad sees warm coolant.
  25. J

    This makes 0 sense to me! Heater hose route

    This has been the thought of being on the cold side till the thermostat opens. But does the connection on the intake not get flow till the thermostat is open anyway ?

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