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About 37_Roadmaster_C

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    Senior Member
  • Birthday 01/18/1964

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  • Gender:
  • Location:
    Central Washington State, USA
  • Interests:
    Electronics, amature radio, antique cars, metal working (machining), cats and family

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  1. Excelent info... Thanks
  2. The polarity of the coil may or may not have a real effect on performance of the engine. I am not a expert and do not dispute the findings of those above that have had real world findings. I only want to point out that sparkplug polarity is ignored in several current or slightly older designs. Look at the GM coilpack operation as used in many V6 and V8 models. That design has sparkplugs connected to both ends of the coil that fire at the same time. With this design, one plug is firing center to ring while the other one is firing ring to center. These engines seem to run very well on all cylinders, not just half of them. Just something to think about........
  3. 37_Roadmaster_C

    Question on 1938 Century Master Cylinder

    Hi Dave, I have no help on the port size, but have a possible help for the sleeving of the cylinder. I sent my brake cylinders to Apple Hydraulics in New York. As they are close to you and they have a very quick turn around, you may be able to kill two birds with one stone and be closer to finished with one removal. Just my thoughts. Robin
  4. 37_Roadmaster_C

    1936 320 cu in spark advance confusion

    You said the engine was rebuilt. With this in mind are you shure the flywheel was installed in the correct position? The flywheel CAN be bolted on in the wrong rotational place. Buick engineers kinda goofed by not making the bolt holes line up in only one position. Just a thought.
  5. 37_Roadmaster_C

    Missing VIN tag

    Hi David, The above answers are dead on. If I understand your first post corectly the firewall plate is missing. The plate I am refering to is on the passenger side of the car on the firewall in the engine compartment. My 37 Roadmaster has the same issue. When the add-on heater was installed one of the holes for the heater pipes was drilled through the ID plate was destroyed and removed. Fortunatly for me Washington state used the engine number on the title. My car also has the frame tag that Matt refered to inb his first answer. If the price is right buy the car and get a notarized bill of sale and go to your licensing office and move forward from there.
  6. 37_Roadmaster_C

    current leakage

    Hi Broken You have now joined the exclusive club for those of us that have to much technical experience and way to much time on our hands........ Also, Thanks Joe. That schematic will be very helpful to those of us that want to find the real answer for GM alternator failures .
  7. 37_Roadmaster_C

    Assembly of my 1928 Durant differential

    Hi Mike, I know nothing specific about Durant, but I would look things over with a critical eye. Depending on how the differential is built the gasket question you pose might have more importance than just leaking gear oil. It is possible that the gasket thickness may effect the preload on the bearings. It is probably unlikely, but I am having that exact problem with a modern (1996) GMC differential. Just look things over with the question in mind... Would spacing of the two halves effect the pressures on any of the parts? The only other thing I would be careful about is WHO I let work on my car. If someone takes it apart, they should be able to reassemble it properly. If they cannot then they are a hazard to your classic.... Robin
  8. 37_Roadmaster_C

    Water Pump Options 1938 Special

    Ihad the water pump on my 37 Roadmaster rebuilt by the Flying Duchman and will highly recomend them. The work was flawless and part of their services is to throughly clean the parts and repaint the housings. When it was shiped back it looked and worked like a new pump. I do not remember the cost exactly, but $150.00 rings bells. I have no regrets with the work and price.
  9. 37_Roadmaster_C

    1965 Riviera 401 Carb Question

    If the origional Carters only need a rebuild then they are by far the best answer. The Carters are not fancy nor do they have a spiffy name, but they are dependable, reliable and stock equipment. Why would you think needing a rebuild would make the stock carbs garbage? I'm sorry, but I just do not understand that thinking. Your car, your carbs and your decision. If you do replace the Carters, treat them kindly as someone will buy them to make a modified car stock again.
  10. 37_Roadmaster_C


    That looks like exceptional quality work. Just a tidbit of information for those who may want it.... Veradale is an old name for a community just east of Spokane Washington. Now it is part of Spokane Valley Washington. The area is the largest metro in Eastern Washington. Just a FYI....
  11. 37_Roadmaster_C

    Unknown part

    Loren, I gave you a like for the factory name
  12. 37_Roadmaster_C

    6V fog light wiring

    Matt, Disreguard my idea. Your switch is a different type. I am also curious about the two terminals under the fuse clips. My thought is that the switch may have provisions to be used either with or without the fuse depending on which terminal is connected to the power source. Just a thought......
  13. 37_Roadmaster_C

    6V fog light wiring

    Matt, Some of the old accessory switches were lighted. If yours is one of those the third terminal is ground. If you have an ohm meter check the resistance through all combinations of two terminals. Do this with the switch both off and on. Even better do the tests including the metal mounting surface as a fourth terminal. The reason for this is that the internal light may be designed to be tied into the dash lights so that the switch is only lighted when the dash lights are on. In that case the ground for the switch would be the metal mounting point. Let us know what you find.
  14. 37_Roadmaster_C

    When Re wiring Vehicle wire size

    No problem Frank. I just get pissy about things like this because I have been in the middle before. Now if you want a real productive argument, lets talk metric VS imperial pros and cons............ I'm running out now... is afraid of fire....
  15. 37_Roadmaster_C

    When Re wiring Vehicle wire size

    Ok guys, I am going to jump in here and call BS on the irrelivant argument about electron flow! Joe is correct if you want to grade a test for an engineering position. The real point of this topic is wire size and I mean the size (cross sectional area) of the copper. It has been explained that the current (amperage) required to do a specific amount of work (light a lightbulb, for example) is doubled in a 6 volt system as compaired to a 12 volt system. The more amps required means the wire needs to be larger to allow the amps through with acceptable voltage loss. The techno jargon is not needed to explain this to a non tech person. If you want an explaination of the scientific reasons including the math to prove why a certain wire size is used, feel free to take an electrical engineering course from a respectful school!!! Sorry for the snarkey response, but it serves no purpose for the original poster, to argue scientific nitpicking points. I have lived and worked on both sides of this fence and the point is moot for practical answers. Now one thing we seem to agree on is that buying a premade harness is generally more practical than making one yourself. Just for info, I bought my replacement harness from YNZ in California. They are just another option to check out. The harness for my 37 Buick was custom ordered with some modifications to meet my wants. The harness is perfect and the documentation is great. The mods I ordered were a larger wire size for headlight circuits, a rework to allow turn signals with the existing lights and a couple of extra wires for driving lights, spotlight and a possible future electric fuel pump. The finished harness looks like Buick made it in 1937. Again, sorry for the rant .