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stude1946

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    Quadrajet carb

    in Technical

    Posted

    The quadrajet s a fine carb with very small primaries and very large secondaries. Driven moderately it returns fine mileage but hard driving opens those secondaries resulting in great power with the resulting poor mileage. GM used the quadrajet on millions of vehicles throughout the years with very few problems. One area they did experience was weeking core plugs in the bottom of the carb. Check with your local shop to see if this is occurring.

    6 volt /12 volt

    in Technical

    Posted

    I find that even at my advanced age there is a lot I do not know. So, I have to ask, what is a "TIA commercial tire instructor?"

    TIA stands for Tire Industry Association. They set the standards for anything tire related such as tire and wheel repairs etc. The repair industry, tire manufacturers, equipment suppliers, vehicle manufacturers, along with others meet to set standards. Basically anything tire related whether it is a scooter, motorcycle, passenger car, dump truck to even the big rigs to even earth moving equipment follows these standards. Twice a year TIA hold instruction classes where people from the field are trained in order to instruct techs in the proper techniques to diagnose tires and properly install, repair, and maintain them.

    6 volt /12 volt

    in Technical

    Posted

    I have worked in the automotive/truck field for decades (ASE master tech, TIA commercial tire instructor, state and federal vehicle inspector, etc). I have operated both 6 volt, 12 volt, and the occasional big rig. My daily vehicle for decades was a 1947 Chevy truck switched to 12 volts. You can convert a 6 volt to 12 volt but will need to change all bulbs to 12 volt. All electrical gauges radio, and motors (generator, wipers, blower) would have to have resistors or be changed to 12 volts. A lot of vehicles from the 1960's and onward had their voltage dropped from 12 volt by resistors. You will have to drop the voltage via resister for the point system. You can keep your existing 6 volt starter without dropping the voltage. 12 volts will make it spin faster. The same goes with a 6 volt horn (12 volts will make them louder). The main thing to remember with 6 volt systems is that all connections need to be clean and wiring is thicker. A properly timed and tuned vehicle with 6 volts will be slower cranking (compared to 12 volts) but will operate fine. The changeover is fairly simple. The biggest advantage is much greater parts selection especially if you want to travel with the vehicle. For instance, see how many parts stores carry 6 volt batteries and how many choices they offer when compared to 12 volts. Another example is a 6 volt flasher versus the many choices for a 12 volt flasher

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