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  1. #76
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    Jan 2011
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    Default Re: 1970 GS 455 Chassis Details

    I'm somewhat familiar with them. That's how the tank is on my 70 GS, there should be a small plastic vent tank there. What's the prob with the tank? I agree with Dave on the trans tube + stick.
    Frank St.Elmo

    BCA #45862
    OCA #035382
    1967 Buick GS400 2012 BCA Senior Preservation Award
    1969 Oldsmobile 442 OCA Sr. Preservation car
    1970 Buick GS455 Triple Black Convertible
    1999 Mustang Convertible
    1967 Buick Skylark

  2. #77
    Join Date
    Aug 2004
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    Massachusetts
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    Default Re: 1970 GS 455 Chassis Details

    Quote Originally Posted by mrolds69 View Post
    I'm somewhat familiar with them. That's how the tank is on my 70 GS, there should be a small plastic vent tank there. What's the prob with the tank? I agree with Dave on the trans tube + stick.
    Those tank vents are available from Inline Tube and others as well.
    Dave, Seeing Yellow
    71 GS Stage-1 Now Sold.

    Now have real 70 GSX 4 Speed QQ

  3. #78
    Join Date
    Feb 2011
    Location
    Baldwin, WI
    Posts
    62

    Default Re: 1970 GS 455 Chassis Details

    the 2 tanks I ordered in are different than the one I took off. one came without a filler neck and the other has 3 vents spaced evenly across the front.. looks like just a standard a-body tank is what I should be going with?

    ---------- Post added at 08:10 AM ---------- Previous post was at 07:32 AM ----------

    just ordered a GM34Q which should be the correct one, finally. claims it comes with a filler neck and 2 vents. I also found the vent you were talking about.

    Thanks

    ---------- Post added at 08:11 AM ---------- Previous post was at 08:10 AM ----------

    just ordered a GM34Q which should be the correct one, finally. claims it comes with a filler neck and 2 vents. I also found the vent you were talking about.

    Thanks

  4. #79
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    Default Re: 1970 GS 455 Chassis Details

    The tank should have 2 vent tubes on the pass side at the front, one lg tube, one small. Buy the vent from Inline off ebay, get the one for 442 if you don't see one for GS. Get the vent with the hoses and correct pinch clamps attached, then you don't need to look for the other parts. That vent should have a filter in it, some repros don't. You will need to trim the hoses a bit. One or both of my hoses were stamped GAS GAS (Freemont car).
    Frank St.Elmo

    BCA #45862
    OCA #035382
    1967 Buick GS400 2012 BCA Senior Preservation Award
    1969 Oldsmobile 442 OCA Sr. Preservation car
    1970 Buick GS455 Triple Black Convertible
    1999 Mustang Convertible
    1967 Buick Skylark

  5. #80
    Join Date
    Feb 2011
    Location
    Baldwin, WI
    Posts
    62

    Default Re: 1970 GS 455 Chassis Details

    Quote Originally Posted by mrolds69 View Post
    The tank should have 2 vent tubes on the pass side at the front, one lg tube, one small. Buy the vent from Inline off ebay, get the one for 442 if you don't see one for GS. Get the vent with the hoses and correct pinch clamps attached, then you don't need to look for the other parts. That vent should have a filter in it, some repros don't. You will need to trim the hoses a bit. One or both of my hoses were stamped GAS GAS (Freemont car).
    done deal. thanks for the help
    justen

  6. #81
    Join Date
    Aug 2004
    Location
    Massachusetts
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    Default Re: 1970 GS 455 Chassis Details

    Wow looks real good. Not sure if it is true on every car but this original GSX I took pictures of has all the S clips forward of the yellow clips. I had to change a couple of mine when I saw them. Maybe it was just which guy put them on. Check out picture.
    Attached Images Attached Images
    Dave, Seeing Yellow
    71 GS Stage-1 Now Sold.

    Now have real 70 GSX 4 Speed QQ

  7. #82
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    Aug 2004
    Location
    Massachusetts
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    Default Re: 1970 GS 455 Chassis Details

    tough to see in the first picture but it is there.

    ---------- Post added at 02:06 AM ---------- Previous post was at 02:03 AM ----------

    You can buy that GAS GAS hose from Ames. It looks good on the fuel pump.
    Dave, Seeing Yellow
    71 GS Stage-1 Now Sold.

    Now have real 70 GSX 4 Speed QQ

  8. #83
    Join Date
    Feb 2011
    Location
    Baldwin, WI
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    62

    Default Re: 1970 GS 455 Chassis Details

    Dave, thanks. what is the brake line going through the frame on that car? Am I just seeing things?

  9. #84
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    Default Re: 1970 GS 455 Chassis Details

    Justen, I think you are seeing the E brake cable with the horse shoe clip holding it where the cable goes through the frame.
    Dave, Seeing Yellow
    71 GS Stage-1 Now Sold.

    Now have real 70 GSX 4 Speed QQ

  10. #85
    Join Date
    Feb 2011
    Location
    Baldwin, WI
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    62

    Default Re: 1970 GS 455 Chassis Details

    Another question from a young Buick owner: How are the repro master cylinders and power boosters? At some point mine was swapped to a master cylinder and booster out of a drum car. I see Original Parts Group sells an "authentic reproduction" assembly, but is it correct? Do they have the part number in the casting? I guess you can get it with the Delco Moraine stamped on the booster, but what about the date codes?

    Thoughts?

    FYI- the car probably won't make Bowling Green- 25% chance

  11. #86
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    Aug 2004
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    Massachusetts
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    Default Re: 1970 GS 455 Chassis Details

    I cannot comment on the masters but the boosters are junk> The triangles are cut deeper and the Delco Moraine stamping looks like crap. originals were stamped either outside right side up or inside upside down. Check out this website. www.brakeboosters.com His name is Steve. Nice guy to deal with. He compares orignals with the repros. He will sell you a nice rebuilt/plated unit. It will cost more but it is way worth it in my opinion. If you want to wait longer he can find you a correct date coded unit. The date code is very small on the top tab so it is probably not even worth the worry. Put an add for a master here then have it sleeved by White Post and the cap plated by Steve.
    Dave, Seeing Yellow
    71 GS Stage-1 Now Sold.

    Now have real 70 GSX 4 Speed QQ

  12. #87
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    Default Re: 1970 GS 455 Chassis Details

    Dave, Seeing Yellow
    71 GS Stage-1 Now Sold.

    Now have real 70 GSX 4 Speed QQ

  13. #88
    Join Date
    Feb 2011
    Location
    Baldwin, WI
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    Default Re: 1970 GS 455 Chassis Details

    great info. I had a feeling there would be some differences. Thanks!

  14. #89
    Join Date
    Jan 2007
    Location
    Ranger Country
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    4,613

    Default Re: 1970 GS 455 Chassis Details

    Quote Originally Posted by waltonj View Post
    great info. I had a feeling there would be some differences. Thanks!
    Depend if you have disc or drum ? drum m/c is not repo so you will want whitepost Or Apple hydraulics to rebuild it.
    date code booster with no trade in is $455.00 with Steve. I do my own plating since he's in it for profit.


    DL
    Wouldn't you really rather have a Buick ?

  15. #90
    Join Date
    Feb 2011
    Location
    Baldwin, WI
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    62

    Default Re: 1970 GS 455 Chassis Details

    We didnt put much time into the restoration over the last year, but we did make a little progress. Feel free to voice your opinion on what does not look right on the photos i've attaced.

    A few questions i have are:
    1. Who is a good supplier for correct belts? hoses? vacuum lines?
    2. Vendor for correct oil pressure sending unit?
    3. My assembly manual shows lines coming straight down out of the fuel pump. Mine come out at 90 degrees?

    Thanks for vewing,

    Justen
    Attached Images Attached Images

  16. #91
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    Toytown, MA
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    Default Re: 1970 GS 455 Chassis Details

    I looked at pics fast, Got to run to an appt.,it looks good! Wiring harness shield or guide on Rt valve cover should be red. Where your finger is should be a fuel line clip. Don't know why PCV is in the valve cover? No Lt ex shield or pre-heater stove. You need an engine aseembly brkt near the ac brkt on the intake to be exact. I think earlier pumps came straight down and later pumps out at 90 degrees. Nobody makes the correct sender, but replacements are available. Same with belts, you just look for the right size non-cogged belts. The make doesn't really matter, you take the lettering off, if they aren't GM A few of the vac lines (like under the air cleaner) are white striped which you can get. Close htr hoses are out there, rad hoses are out there and can be re-stamped. I'll look again later.....
    Last edited by mrolds69; 01-21-2015 at 12:41 PM.
    Frank St.Elmo

    BCA #45862
    OCA #035382
    1967 Buick GS400 2012 BCA Senior Preservation Award
    1969 Oldsmobile 442 OCA Sr. Preservation car
    1970 Buick GS455 Triple Black Convertible
    1999 Mustang Convertible
    1967 Buick Skylark

  17. #92
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    Massachusetts
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    Default Re: 1970 GS 455 Chassis Details

    you need the steel line that attaches to the brake vacuum fitting on the back of the intake. Looks like you have a rubber hose on there now. That is from a big car. The fitting should have female threads on it.
    Dave, Seeing Yellow
    71 GS Stage-1 Now Sold.

    Now have real 70 GSX 4 Speed QQ

  18. #93
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    Default Re: 1970 GS 455 Chassis Details

    Also I cannot tell if you have the big AC compressor pulley on there? You need compressor decal as well. There are many different ones.
    Dave, Seeing Yellow
    71 GS Stage-1 Now Sold.

    Now have real 70 GSX 4 Speed QQ

  19. #94
    Join Date
    Feb 2011
    Location
    Baldwin, WI
    Posts
    62

    Default Re: 1970 GS 455 Chassis Details

    There are a few things i need to rob off my '70 electra including the wire harness shield that goes next to the passenger side valve cover, pre-heater "stove",
    and hopefully the oil pressure sending unit (can't remember if that car has the gauges). I also plan to rob whatever hardware i need to make mine correct of that car.

    I have the mojority of the missing items coming from a couple vendors and i'm hoping for the best. I feel like i keep OPGI, RockAuto, and Ebay in business...

    Thanks to both of you for the feedback.

    Justen

  20. #95
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    Jan 2011
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    Default Re: 1970 GS 455 Chassis Details

    I assumed you were talking about the sender for gauges. The one for a light you could probably find NOS. Doubtful your Electra has gauges. The good news is, to my knowledge, the old style, non-existent sender is going to be reproduced shortly. That stove...it's actually 2 parts over there. The large Y-shaped cover, I was changing mine on the car today, and it's difficult to do in the car. You will have to take the manifold off to get it on, or lift that side of the engine. Now is a good time to get that done while the intermediate steering shaft is out. It is like the motor mount heat shield, the battery cable guide, the solenoid shield, etc. 5 mins if the engine is out to do these things, but very hard to do them when the engine is in, and the fenders on.
    Frank St.Elmo

    BCA #45862
    OCA #035382
    1967 Buick GS400 2012 BCA Senior Preservation Award
    1969 Oldsmobile 442 OCA Sr. Preservation car
    1970 Buick GS455 Triple Black Convertible
    1999 Mustang Convertible
    1967 Buick Skylark

  21. #96
    Join Date
    Jan 2007
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    Ranger Country
    Posts
    4,613

    Default Re: 1970 GS 455 Chassis Details

    Who's making a 1970 only 80lb unit ?

    DL
    Wouldn't you really rather have a Buick ?

  22. #97
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    Default Re: 1970 GS 455 Chassis Details

    I'm not sure what part #'s or PSI old style senders will be made, or are being made. I know Ames is working on it. They will be the shape and style of the original senders. I've had a lot of GTO's in the past, but I forget the PSI's and the NPT size (s). Like Buick they varied. I think there's a good chance they will work, but if they are 1/8" NPT then we may have to use a 1/4" adapter (it would not be visible).
    Frank St.Elmo

    BCA #45862
    OCA #035382
    1967 Buick GS400 2012 BCA Senior Preservation Award
    1969 Oldsmobile 442 OCA Sr. Preservation car
    1970 Buick GS455 Triple Black Convertible
    1999 Mustang Convertible
    1967 Buick Skylark

  23. #98
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    Massachusetts
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    Default Re: 1970 GS 455 Chassis Details

    I found out the hard way that the Pontiac is a different thread size. I paid top dollar for one at Carlisle for a used one and found out it did not fit. It did fit friends Olds. Maybe it would fit with the proper elbow but the part number was wrong. The next year at Carlisle I found an NOS 60 Pound flat top unit with the Buick part number. I believe they changed to a 60 pound unit in late 1970. The unit I found was gold. No idea what the rhyme or reason is from black to gold.
    Dave, Seeing Yellow
    71 GS Stage-1 Now Sold.

    Now have real 70 GSX 4 Speed QQ

  24. #99
    Join Date
    Feb 2011
    Location
    Baldwin, WI
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    Default Re: 1970 GS 455 Chassis Details

    Is there a good source for a modulator line?

    Justen

  25. #100
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    Default Re: 1970 GS 455 Chassis Details

    All the big companies like Inline and classic tube sell them but the ends are not exact to original. The do not have the elaborate opening but they still work.
    Dave, Seeing Yellow
    71 GS Stage-1 Now Sold.

    Now have real 70 GSX 4 Speed QQ

 

 
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