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Author Topic: 1969 manual trans. power brake question  (Read 686 times)
ko-lek-tor
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« on: May 10, 2013, 12:01:02 AM »

Hi all,
Another detail I need confirmed. On 1969 AIM UPC 5 A2 (Brake cylinder bracket assembly) item 11, 3781770 bumper is shown for pedal contact in non-depressed mode. If you compare to AIM UPC J50, A3 items 1.2.3. My question is should a car with a manual trans. and J50 power brakes have that bumper (item 11)? My car has M20 and pwr. disc and the pedal striker as shown in the AIM for J50. I do not have a bumper for either the brake or clutch pedal. I can understand the clutch pedal bumper missing as the car did a lot clutch bangging (drag racing), but was unsure if the brake should have this bumper or was it only used on manual brake cars? Just wanting to get details right. Thanks. Also, along this topic; Aim UPC J50, A4 shows item 3 Pipe and support for vacuum to booster for Big Block configuration. Could someone explain the difference or post pics of the two assemblys L34-5 Vs. L78 (3921927 vs.3921929)? I have one of these tubes and would like to know if it is the right one for L78 application. It seems to fit correctly, but there are no numbers on part and , again, I want it correct. I do not want to buy another if I don't need to. My part is GM original. Thank you CRG.
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Putting you First...Keeps me First. Talent on loan from God. Helping the hobbyist and exposing the fraud
1969 SS/RS 396 coupe Hugger Orange X22 712 bought in 79
1969 SS 350 coupe LeMans Blue 713 bought in 79
1969 307 4spd. coupe Daytona Yellow 711 bought in 85
lynnbilodeau
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« Reply #1 on: May 10, 2013, 12:22:14 PM »

My car is four speed with pwer brakes and I had both bumpers.
Can't help on the big block brake lines.
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Ed Bertrand
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« Reply #2 on: May 10, 2013, 12:35:29 PM »

Yes, all cars have the rubber bumper even with J50. As for the pipe, the only real differences are the lengths and the bends. Post a picture of your pipe with a ruler and we can tell you which one you have.

Ed
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Ed Bertrand
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ko-lek-tor
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« Reply #3 on: May 10, 2013, 04:55:56 PM »

Ed, Don't know how I would get my car right without you! Thank you, again. I live out in the sticks and do not know of any good specimen cars around me that I can look at to get correct information. I wish someone like JohnZ was close. It will be awhile before I can post a pic of vacuum tube as I need new computer and don't have software loaded on this borrowed PC, but I will post when I am able. Thanks, Bentley.
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Putting you First...Keeps me First. Talent on loan from God. Helping the hobbyist and exposing the fraud
1969 SS/RS 396 coupe Hugger Orange X22 712 bought in 79
1969 SS 350 coupe LeMans Blue 713 bought in 79
1969 307 4spd. coupe Daytona Yellow 711 bought in 85
69Z28
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« Reply #4 on: May 11, 2013, 07:55:16 PM »

I feel for ya Bently. Have the same thing going on in my neck of the woods too. I haven't seen another 69 Camaro anything near me within the past 10 years or so.



I live out in the sticks and do not know of any good specimen cars around me that I can look at to get correct information. Thanks, Bentley.
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I'm "GaryC" from Clayton Delaware.

'UNRESTORED' 1969 Cortez Silver X33D80 Z28
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