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  1. M

    Wiring Fuel Gage Dual Tank EFI

    Your selector switch controls the signal to the fuel gauge. In this schematict “b” on the comet or go to the gauge. A&C are coming in from each sender “A” is main tank sender and “C” is aux tank sender. So if you look at a schematic from and 1987 the color code for “B” will be for the gauge...
  2. M

    What new tools have you got lately?

    I own this tool ! Great tool for the price!!!!
  3. M

    More wiring fun...this time with a video.

    Ok I’ll bite!!! What you got?? Hit me with it
  4. M

    6.2L - new IP, still won't start

    IP is out of time with the rest of the engine! I’ve don’t this no than once. If the timing gear in the engine moved at all while it was sitting while ip was being rebuilt then your out of time. Or lines going to wrong cylinders
  5. M

    GM 8.5" 10 bolt nightmare.

    There are no rookie question!!!! People are trying to just learn as I did. All this work you are doing will payoff huge, into one beautiful truck , and you did it. I think what brings us all together here is the will to have and love these old truck that are apart of us and our lifestyle. I want...
  6. M

    First post from Tahiti

    Welcome my Brotha!!!!
  7. M

    Here from the UK!

    Welcome my I’m Brotha!!!!
  8. M

    fuel system wiring to bypass computer after TBI to carb

    I totally agree with this, this switch is pretty straight forward on an 1987 c/k truck . Need help let me know. Take it 1 system at a time. 1987 tbi for v8 truck fuel pump pressure is 9-14 psi if I remember right so your in the range for a carb, just have to regulate it down a few psi ...
  9. M

    Getting to much fuel

    Vacuum is at 18 hg to the EGR or idle vacuumn of the engine is 18 hg? Maybe I missed this
  10. M

    Glow plug relay? Or controller? Short cycle

    This is your problem!!!!! You could disconnect this an interrupt the power to and from and wire it online with a switch in the dash( a toggle) and turn it on went you need to start it . Also that plug that is broke off in there , if it falls down in the cylinder then pull the head . People will...
  11. M

    intermittent no crank 87 suburban

    “Voltage issue “ by imtherealjay
  12. M

    intermittent no crank 87 suburban

    Follow some of my other posts on here tonight as I go through the troubleshooting a slow crank situation. Which the troubleshooting will be the same here
  13. M

    Voltage issues

    I can use my snapon triton D10 scanner and clamp my high amp probe to starter positive or the big red wire on alt and see my amp draw as I turn it over, Most voltmeters these days can also. I would YouTube how to use voltmeter to check amp draw on starter, I think someone will show how to do it...
  14. M

    Voltage issues

    If you have a lot of amp draw then more than likely a bad connection at the starter or bad starter/bad solenoid. If amp draw is in range and battery dropping below 10.5…. Your battery is more that likely at a bad state of health. Assuming you’ve checked all cables and connections for corrosion.
  15. M

    Voltage issues

    Look for a clip that will show you what kind of amp draw or voltage draw you are pulling on battery while cranking. I don’t think your battery should drop below 10.5 volts while cranking. After that we want to determine the amp draw of the starter while cranking. I think if I can remember right...
  16. M

    Voltage issues

    You tube is your friend and if I can help more let me know. Also let me know what you find out I’m willing to stay on this with you and help as much as I can.
  17. M

    Question about the 305 engine.

    Any two piece rear main seal v8 block will work. I would short block a 350 cid myself and use the heads and intake , then over time change heads out to a higher performance head and then aluminum intake . Slow build over time. Technically you could use the 1 piece rear main seal blocks from 87(...
  18. M

    New here, building a 82 K10

    Beautiful truck bro!!!!! Absolutely Beautiful!!!
  19. M

    snap on help

    Me and my snapon dealer have been friends since 1983 let me know what you want and the model and serial of your box ….. I’ll get the part numbers you need and you can call or go online and order them straight from snapon! Let me know if I can help
  20. M

    Getting to much fuel

    EGR leak!
  21. M

    454 stumbles at 2500 rpm

    I would first check float level. To me from what you’ve typed here I want to know if fuel level is correct at the higher rpms
  22. M

    Voltage issues

    So I had to read read your post. You know how to use a volt meter. I’m telling you to google these Vids because it is easier than me typing this out plus you can use these test on any car. You tube “test amp or voltage draw to test battery.” Then you tube “testing voltage or amp draw for starter...
  23. M

    Voltage issues

    This could either one. Are you able to use a volt meter?
  24. M

    Voltage issues

    You want to go to the positive side then . Check amp draw at the starter. If you don’t have a high amp probe you can measure resistance . Go tube you tube and search for voltage drop testing for your starter. Use your voltmeter in these test. This can be don’t on any internal combustion engine...
  25. M

    What new tools have you got lately?

    Snapon Triton D10 scanner, low voltage probe, high voltage probe, pressure transducer, extra long oscillate probes.

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