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martybose

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martybose last won the day on January 26 2015

martybose had the most liked content!

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About martybose

  • Rank
    Zen Master, I breathe vintage mopar!
  • Birthday 08/14/1946

Profile Information

  • Gender
    Male
  • Location
    Galt,CA
  • My Project Cars
    my 47 Business Coupe, now sold

Converted

  • Location
    Across the bay from San Francisco
  • Interests
    my old car, and SCCA race cars

Contact Methods

  • Occupation
    Retired!

Recent Profile Visitors

525 profile views
  1. Edmonds Head qestions and problems

    My Edmunds setup had a cleanup cut on the head, a mild cam, cast iron headers into full dual exhaust, an Edmunds intake manifold with dual Carter-Webers from Langdon. It runs really nice with the out-of-the-box jetting from Langdon. It came out just over 9 to 1 compression, and does have to run 91 octane gas to cut down on the pre-ignition. Marty
  2. Edmonds Head qestions and problems

    Helicoils are not standard, but are not uncommon by now. I used Timeserts on my Edmunds head. There is no special cam for this head, you can use any cam that works with a stock head. Please be aware that the stock head uses a 3/8" reach sparkplug, while the Edmunds head is set up for a 1/2" reach sparkplug, which are not too common. Marty
  3. 25" intake and exhuast port sizes needed

    Just buy a gasket set and use the manifold gasket as a guide. Marty
  4. Oil pressure at the pump

    When I did my external oil filter setup I made a custom setup that deleted the stock oil pressure plunger and used an external sprint car oil pressure regulator with a bypass directly to the pan. Still had a stock oil pump, just the version from a hydrive car that originally had the regulator in the oil pump housing; we took out the regulator, brazed the holes, and installed a fitting to take the oil feed out to the external oil filter and regulator. The first time we fired the engine with this setup we had almost 150 pounds of oil pressure because of the initial setting of the sprint car regulator. Shut it down immediately, backed the regulator setting down a bunch, eventually having about 60 pounds cold idle, 15 pounds hot idle with 10w-40 oil. Marty
  5. Thermostat Question

    From his first posting he has already replaced the original radiator with an aluminum one, so I don't see any reason to restrict yourself to just a 4 pound radiator cap. Marty
  6. Overdrive frustrations

    The only thing I see missing from your list is the interrupter switch on the bottom of the transmission; did you replace it? Just be aware that if you take it out while in the car there is a little metal plunger that will fall out when you pull out the switch which is an absolute bear to get back in. There is a special automatic transmission assembly grease that is used to hold check valve balls in valve bodies that you can use to hold it in place while you get the switch installed. Have you checked to make sure that you have full travel on the cable to the shifter? I had a problem there until I changed the cable routing and secured it better. Marty
  7. 5sp conversion

    There is now a company that makes a system that uses GPS to determine the speed and then drives a box that turns a mechanical speedo cable at the correct RPM to give you the correct reading. That's nice, because it takes both the transmission and the tire size out of the equation. Marty
  8. California Assembly Plants: Where, What & When?

    I worked in the Dodge San Leandro plant in the late 60's/early 70's when it was owned by International Harvester and built Class 8 semi tractors. They closed it in the mid 70's and it stayed vacant for a while, then Caterpillar bought it to manufacture diesel fuel pumps for their engines. They closed it again after a few years, and it stayed vacant until the building was converted into retail sales location for a bunch of smaller companies. If you look carefully there are remnants of the prior uses; the shed is still alongside the main building that contained the chassis dyno that we ran all of the semi tractors on back in the day. Marty
  9. New Tachometer

    When I got my Chrysler Marine electronic tach I just plugged the sensor line into the tach connection on my Langdon HEI and it worked perfectly. Sometimes you just luck out in spite of the challenges. Marty
  10. 6v positive ground question

    I think the issue with the radio only applies if you have changed to an electronic oscillator; when I switched from positive to negative ground with the original radio it kept working just fine. Marty
  11. Stalls and hesitates when choke is open

    I'm surprised that no one has mentioned the accelerator pump yet. Soaking the leather piston in oil and reinstalling cured the hesitation back a hundred years or so ago when I had the stock carb on my motor. Marty
  12. 6v positive ground question

    No it doesn't. I was pleasantly surprised when I changed my car from positive to negative ground that the starter was unaffected. Marty
  13. Dim headlights

    One thing to remember is that these cars came standard with 30 watt bulbs, with wiring and switches to suit. I put 55 watt 6V halogens in my car, and had to add headlight relays because both the headlight switch and the dimmer switch started heating up due to the extra wattage. Marty
  14. Doug, this is exactly the way the water tubing on my old car is set up. Marty
  15. Steering

    .... or you can just get the OEM steering box rebuilt with all new parts. It ain't cheap, and shipping is a pain due to the attached steering shaft, but it can be done. Midwest Remanufacturing did mine, and did an excellent job. Marty
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