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Doug B

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Posts posted by Doug B

  1. Brake booster

    in Avanti Pub

    Posted

    Thanks EVERYONE, for the advice. Those sources will be entered in my files.

    However, you are a little late. A friend has sold me the critical parts from his purchase of what is alleged to be "NOS 69-70 CHRYSLER PLYMOUTH DODGE POWER BRAKE BOOSTER MOPAR 3004867". He also suggests it is good for a '71. He got it on ebay.

    The Avanti should soon be on the road. Wish us luck.

    Doug B.

  6. Proportioning Valve & Dual Master Cylinder

    in Avanti Pub

    Posted

    Thanks Warren. My problem seems to have been caused by this quote from a Chilton Chevrolet manual which states "A dual reservoir master

    cylinder is used on all models since 1967. The front portion of the master cylinder supplies hydraulic pressure for the front wheels, and the rear

    portion supplies the rear wheels."

    I have been searching for a printed reference which states the opposite, since all such master cylinders I have seen, have the smaller reservoir

    at the front.

    Knowing that the front (disc) brakes require much more fluid than the rear (drum) brakes, makes it obvious that the larger reservoir must feed the

    disc brakes no matter whether the larger reservoir is at the front or rear.

    All further references to this subject should refer to the larger and smaller reservoirs rather than to the front and rear. Agree?

  7. Proportioning Valve & Dual Master Cylinder

    in Avanti Pub

    Posted

    Thanks Gunslinger. You have briefly covered the many pages I have read on the subject lately.

    My confusion seems to come from having had master cylinders with primary and secondary pistons. As I recall, one served the front brakes and the other, the rear. The proportioning was provided by the larger and smaller diameters of the pistons.

    One of my references shows '66 and '68 Chevs having 1.125 in, and 1.0 in. pistons to serve discs and drums. This will do the same as a prop. valve. Yes ?

    My next question is Avanti-specific. Does the larger or smaller brake-fluid reservoir serve the front (disc) brakes and why ?

  9. Gas line valve

    in Avanti Pub

    Posted

    Somewhere on Bob Johnstone's site, I found several items of interest concerning valves in gas lines. Of course, the relationship between computers and me precludes any hope of ever finding it again.

    If someone does get to it would you please post it for all of us.

    Included there were references to valves controlled by oil-line pressure switches such as NAPA OP-6610 or Delco P5-9, to shut things down when oil pressure drops. He suggests putting the valve as close to the tank as possible and prefers a centrifugal pump such as GP 60430. No mention of make.

    I presume that the valve is "normally closed". (With a little more thought, this became obvious.)

    It should be a great safety feature.

  10. Gas line valve

    in Avanti Pub

    Posted

    Thanks Avanti 83. Nice installation and even better pic.

    I thought a valve like yours could be put under the hood with a cable pull under the dash, like the trunk release. Easier than electric?

    What is that Tee you mention?

  13. 4 post lifts

    in Avanti Pub

    Posted

    Many THANKS for the warning, Mark

    Many times I have wished for such a lift. But now I'll have to reconsider a pit.

    They tell me that in many places they are not permitted because of gas fume accumulation. True?

  15. Fuse for backup lights on '66

    in 1965-83 Avanti

    Posted

    Thanks Gunslinger. The picture in my parts manual does not quite match the fuse block in my '66.

    The parts stores I tried did not have any shorter 10 amp fuses, but I did find one at an electronics dealer.

    It is much smaller in diameter so, after much deliberation, I broke up the old fuse by drilling out the cement and solder to provide two end caps. They were a loose fit over the new fuse but with a little deformation, I was able to make them a good friction fit.

    It works. For how long, we'll see. I'll keep looking for a real one.

  16. Fuse for backup lights on '66

    in 1965-83 Avanti

    Posted

    Thanks for the reply. Both old and new measure 13/16 inches (11 cm). On closer inspection, I see that someone has ground a little off two sides of one end cap and a little around the edge of the other end. Strange. That must have been another owners solution.

    Both the old and new fuses are BUSS SFE 9. (By the size, I had assumed 10 amp.)

    When you say "short", how short?

    I'll go to my local shop and compare my BUSS ones with the 1AG's you mention.

    Thanks again.

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