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martybose last won the day on January 26 2015

martybose had the most liked content!


About martybose

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

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  • My Project Cars
    my 47 Business Coupe, now sold


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

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611 profile views
  1. Antifreeze and your car

    I hope you have better luck with it than I did. While it solved my boiling problem, I was never able to stop it from leaking from an amazing number of places. Head studs (resealed several times to no effect), Intake bolts, radiator hoses, thermostat housing. I gave up trying to fix them, and drove for several years just topping it off occasionally. The guy that bought my car changed the radiator, flushed out the block and changed to conventional antifreeze; problem solved. Marty
  2. Edgy heads being poured now

    I looked at the Edgy head way back when, but didn't buy one because I didn't like the fact that there was no water outlet at the firewall, so there was no way to run water through my Edmunds manifold. I ultimately found an Edmunds head, which cost me as much as the Edgy would have after I cleaned it up, installed Timeserts for the damaged sparkplug holes, took a skim cut on the surface and had the head polished. Marty
  3. Edgy heads being poured now

    Let's face it; there are too many variations of piston volume, piston depth, valve cutouts sizes and gasket thickness/volume to make any conclusions about what compression you will get with any combination of blocks and heads. If you want to know, you measure everything; if you don't want to know, you bolt everything together as is and it will probably work just fine anyway. Marty, who did measure everything and had a 9 to 1 motor with an Edmunds aluminum head.
  4. 2 engine questions

    On the subject of the waterpump I would add that the later internal bypass pump has an extra hole in the backing plate that lines up with the hole in the late model block that is the internal bypass. If you want to use a newer pump in an external bypass motor you need to change the backing plate to the one off of your old pump; if you don't you will have a large water leak. Marty
  5. Overdrive transmissions

    Externally the Mopar variant is unique, as they are the only ones that use that particular setup with the governor to control activation. Marty
  6. Rear shock relocation

    I seem to recall that Butch's Cool Stuff (the ad at the top of this forum) has a rearend shock package for our cars. Marty
  7. One of the joys of these carbs is that they don't have vacuum-operated power valves. Marty
  8. Good luck with this! About 15 years ago I tried to get a dual 97 setup on a modified Offy manifold working, and never got it right. I had adjustable main jets, and I could get it to run right at low speed but be extremely lean at full throttle, or I could get it to run right at full throttle but not idle. I briefly considered going to Holley 94's to get a working power valve, but ultimately switched to a different manifold with a set of Langdon Carter-Webers, which worked perfectly right out of the box. Marty
  9. Are all Spitfire heads 25"?

    Yes, they are all 25". Marty
  10. Not quite; a larger master cylinder will give you more volume but less pressure. Marty
  11. Radio wiring 6v to 12v

    Correct. Way back when I went from 6V positive ground to 6V negative ground with an alternator install, and the radio worked just fine. Marty
  12. All very true. Mine failed because I had had the front of the car jacked way up in the air while I was having the steering box rebuilt, and for several reasons didn't notice the oil coming out of the rear seal. When I took it out to check out the steering fix i shifted into overdrive it whined for about 10 seconds, then let go. As you stated, I stopped, shifted out of overdrive and drove it home. Marty
  13. .... unless you make the mistake of running them a little too low on transmission oil, in which case the OD gears will take an immense dislike for each other and will promptly strip the teeth off of everything. Yes, I can attest to this personally. Marty
  14. Using Engine ID Number to Title Car

    Mine was registered in CA using the body number, which meant I had no issues when I put a newer 230 in place of the original motor. Marty
  15. Horse Power

    Had to laugh reading Greg's comments. My other toy is a BMW M Coupe, which has a engine that produces peak power at 7400 RPM and redlines at 7600. It has so much midrange power that in over 60K miles I've driven it I don't think I've ever had it over 6500 RPM, and most of the time in street driving I shift it about 4000. But I know that if I ever needed it, there's a whole lot of power up there for the asking. Marty