Recent content by Luvrv8

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    First truck 1973 k10 custom

    Welcome from So Cal. Nice pre smog find.
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    ‘75 C30 Fuel Tank Selector Knob

    Not sure it’s the factory knob but it works. Hopefully some day in my travels I’ll find a GM parts manual to see exactly what was there. Who knows, when I pull the seat to repair the slides it could be under there. Wanted to make sure I did show the knob on, it might help someone search for this...
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    ‘75 C30 Fuel Tank Selector Knob

    A quick set of pictures I got while crawling around on the concrete of the switcher valve. The one wire you see cut, that’s a crazy story. The fuel gauge would only work when the e brake was at a certain spot. I did check the pressure differential switch, electrical wasn’t mixed up. I did ohm...
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    ‘75 C30 Fuel Tank Selector Knob

    I’ll guess since the majority of cab and chassis were being sold to fleets GM put the cheaper of the 2 on.
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    ‘75 C30 Fuel Tank Selector Knob

    California banned leaded gas in the early 90’s. As far as the switching unit being cable, no idea. I have seen where some mentioned in ‘75 it only came in Cab and Chassis with a Big Block. I haven’t found anything to confirm this. I’ve also seen that many have been swapped to electric due to...
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    ‘75 C30 Fuel Tank Selector Knob

    Didn’t take one. I believe it’s 6 ports and the cable operates it. It’s on the right hand inner frame rail, no electrical as the fuel gauge sending units are wired to a switch behind the dash that is triggered by the cable.
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    ‘75 C30 Fuel Tank Selector Knob

    What research I have done is the truck got the NL2 Aux tank package. Each tank is 20 gallons. As far as I can tell the tanks are just off the shelf parts GM used in the other C/K series of this era.
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    ‘75 C30 Fuel Tank Selector Knob

    I’ll get tank pics tomorrow. Tanks are saddle tanks, looks like other ones with saddle tanks
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    ‘75 C30 Fuel Tank Selector Knob

    And I know it came off as rash, I am sorry for that and not the way I wanted to start as a newbie. I am admin on a large forum as well as a very large Facebook group for a certain model truck. We hate when those come in and ask us to do the work for them when it’s obvious they spent no time...
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    New Square Body owner

    Got this one handy
  11. L

    ‘75 C30 Fuel Tank Selector Knob

    Appreciate the help. Ordered one, let’s see how it works out. I’m willing to take the gamble.
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    ‘75 C30 Fuel Tank Selector Knob

    The C30 cab and chassis with the big block in 75 was for sure a factory deal with a cable. I’ve seen it referred to a NL2 option and that checks out with a wiring diagram from 75. There is a switch on the cable hold down behind the dash that sends the tanks float level wire to the gauges.
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    New Square Body owner

    Yes. It’s a bit of a legend to the LUV group guys. I told my wife I had a 2K budget. I spent 2K on a trans, 2K on a rear end, 2K on rims……you get the picture.
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    New Square Body owner

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    ‘75 C30 Fuel Tank Selector Knob

    I believe it will. The stock one was black, looking for that. I know I could get one to fit and work perfectly but for some reason I like the chase to find original parts. It makes no sense as it’s not a show truck, it’s just a habit I have hunting down stuff. I guess it’s the thrill of the chase.
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