You are correct. In 69 the prop valve was up next to the master. The block on 
the frame is simply a distribution block. In 71 they did away with the prop 
valve up by the master and incorporated it into the distribution block down on 
the frame.
  ----- Original Message ----- 
  From: harkema...@aol.com 
  To: chevelle-list@chevelles.net 
  Sent: Thursday, July 15, 2010 6:11 PM
  Subject: Re: [Chevelle-list] brakes/fuel gauge


  In a message dated 7/13/2010 9:30:57 PM Central Daylight Time, 
harkema...@aol.com writes:



    heck the ground to the dash for the gauge. Sounds like your booster has 
failed, do you have a check valve in the booster? Run the car and pull the 
valve out it should be under vacuum. 



    Jim



  Well, Kim was right, my booster was jusk, replaced it and now every thing 
seems ok, i did not swap the porportioning valve over from the donor car, 
should i do that? (this is the block on the framewhere all the line run 
correct?) i assumed the porportioning valve was the round valve that i swapped 
over that was right under the master cyl that was about 3-4" long.

  also i checked the fuel gauge connections at the dash and in the back, all 
seems ok, when i ground the wire in the back the gauge drops down to "E" so 
what does this mean? a bad sender? 

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