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J J Web's 1967 Lemans

2024 May
of the Month

Bonneville convertable64

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Posts posted by Bonneville convertable64

  1. On 3/8/2023 at 10:31 PM, 64 kiwi boni said:

    nice work mate :cheers:... i had the same fun with the sender and i found a small hole in my tank, which i soldered up!

    your car looks super clean underside :dancingpontiac:

    Nothing is ever easy. I’m getting a slow drip from the sender. Looks like it may be coming through the screw hole. Once the gas level gets below it I will add a little round gasket around each screw. Kinda tight quarters in there to see and do anything. I can drop the tank after I burn 20 gallons 

    • Like 2
  2. 13 hours ago, 64 kiwi boni said:

    oh !!! Del... perfect time to replace the filler neck o ring too !!! 

    i did as it looked a bit crusty !!! 

     

    and when i fitted the new one, i smeared a little grease over it and the tank socket so it slide in nicely !!

    I used a rubbber I had on hand, not sure it will last. Do you remember product number and where you bought yours? Thanks, Del

    • Like 1
  3. 21 minutes ago, 64 kiwi boni said:

    Del here is the c clip in my one 

    E0258433-CBC8-42AA-AF0F-C3940EB8DF2C.jpeg

    And this is the part number for the one I got off rock auto

    49D11DF4-EE71-457E-839D-717AF6966D0E.jpeg

    Those ears are what I was warned would cut the booster diaphragm .

    easy one for you would be to just change the clip … now the plumbing :rofl:

    What I am going to do I will explain in pics justA for the fact it’s easier than my gibberish blah blah .. it will bore the shit out of fitzy :rofl:

    i will take this pipe out of the block and the pipe up to the master .

    79E1CFAF-C13B-4C54-8CBA-5334FFF876D8.jpeg

    take the connection that feeds the back brakes out, add a joiner socket too that male connector (as you would have a mission trying to make a flare down in against the motor)

     

     

    1321A656-37AA-4D36-88B9-428D719D6BB0.jpeg

    and make a new pipe up that connects to this port on the new master cylinder .

     

    C3B71963-C861-4BF1-B19E-97B073335E7F.jpeg

     

    then make a new pipe from this port and plumb it down onto either of the open ports on the joiner block, this will feed the front brakes, then simple add a flare plug into the spare hole.

     

     

    7003B946-5DA3-4396-8DEB-5459C59D1D1B.jpeg

    job done... bleed the brakes 

    Very nice instructions! Your the man! I will order it. Thank you so much for your help. I really appreciate it.

    • Like 1
    • Thanks 1
  4. On 3/2/2023 at 3:31 PM, 64 kiwi boni said:
    7 hours ago, 64 kiwi boni said:

    BUT 

    A NOTE TO WATCH OUT FOR !
    I haven’t got a picture … but watch out that you do not use a master cylinder with the eyeleted clip that holds the plunger into the bore of the master cylinder ! This type of c clip will cut into the seal on the front of the booster 

     I will post a picture tomorrow 👍

    Dang, looks like I need a different one. Someone recommended to buy this on eBay. Did you buy the one recommended at rockauto?

    I'm curious how you go from one line to two? Is there and adapter block or additional line needed?

    617C252E-EE90-4190-A600-37AED64941D6.jpeg

    • Like 2
  5. On 3/3/2023 at 3:26 AM, 64 kiwi boni said:

    Love it :cheers: !!! Hahaha 

    there is justA something special about breaking the law every now and then !!!

    I get so bloody bored with conforming all the time !!! Hahaha 

     

    On 5/5/2022 at 12:22 AM, 64 kiwi boni said:

    Just arrived is the 69 Belair master cylinder,👍

    Fitzy the part number on rock auto is ce 130.62016

    and I tried it on the spare booster I have and it’s a perfect fit .... remember , my 64 is drum/ drum , so this is the correct one for my factory set up but wayyyyyy safer with its dual circuits 

    Its about now that i love gm using generic parts!!!

    So anyone reading this, and if you have a 61-68 with the single outlet master cylinder for your brakes, here is your best buy !! a factory configuration, dual circuit brake master cylinder. ( i am guessing that Pontiac used the single outlet master cylinder all the way up to 68 on the wide body cars)

    This one part could be the difference between life and death if your single outlet master cylinder had a fail in any one of the four brake corners of your Pontiac .:dancingpontiac: 

    4A42E8BA-F81B-4895-AB12-11B2A174C1E9.jpeg

    i will, when i get time post the swap over from the old master cylinder too this dual port unit...

    It will be easy as its justA plumbing :rofl:

    I was wondering if you did this install yet? I’m going to attempt it myself. If so, any process pictures?

    • Like 2
  6. On 5/11/2022 at 2:49 AM, Michael B said:

    I also need to know if I need a reverse polarity switch.

    The pump is hydraulic.

    I guess this shows how uneducated I am.

    This is the replacement switch https://midwaymusclecar.com/products/power-convertible-top-switch-66-67-pontiac-gto-lemans-tempest

    I had to replace mine as well. The only issue is the wire is not long enough so i needed to splice into existing switch wire which is no big deal. There is no fuse for this circuit. Power comes straight from battery. I would use the top sparingly. 

    DE75E525-FA42-4343-92A5-7C32012761BE.jpeg

    • Like 1
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