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Type: Posts; User: joeskylark

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    70 skylark rear springs

    Im installing new rear springs in a 70 skylark. There is no Ident tape on my springs Does anyone know which end of the spring is the top? my new springs have a slightly tighter coil on one end. is...
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    No the part is a spacer which seems to raise the...

    No the part is a spacer which seems to raise the jounce bumper a few inches. Todd in the next reply has the right one. My car was a 350 but a fresh 455 is going in. Just a street car and sleeper with...
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    Part No 9790378 and 9790377

    Hi all. Im installing a new rear from a 71 GS into my 70 skylark convertible. My assembly manual shows a spacer part no 9790378 and 377 for GS 455. It mounts where the rear jounce bumper at the...
  4. 1070 Skylark front coil spring loacation

    Hi all. I am installing new springs in my 1970 skylark. page 30-4 figure 30-2 of the manual says that the bottom end of the coil spring needs to be located within .25" of the front of the slot in the...
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    Pinion depth gauge

    Does anyone have a GM pinion depth gauge j-8619-01 and j5647-03, and dial indicator j-8001-3 that they would lend, rent, or sell? I'm trying to set up a rear and would prefer not to go the...
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    Yes not factory original without rivets, but not...

    Yes not factory original without rivets, but not incorrect either as my 1970 shop manual definitely says to install with the bolt heads on the bottom which seems crazy to me because the bolt heads...
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    Upper a arm ball joint question.

    I am installing new ball joints on my 1970 skylark. I removed the originals rivets and all. My factory service manual says to mount the new ball joints by installing the bolts from the bottom with...
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    Thanks again for passing along your knowledge. I...

    Thanks again for passing along your knowledge. I bought this rear in the middle of the night while it was raining, at a farm 250 miles away from home. I knew it was a posi with bolt in axles, and I ...
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    LOB yes!

    Bob thanks for the information. I did locate LOB under my earlier noted code. Additionally, I may have misread the code that I initially reported. Upon closer inspection, I found that instead of LL...
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    71 GS rear... Or not?

    Can anyone help me identify a rear by the axle tube stamp? I was told it was from a 71 GS, but I'm not positive. The axle tube stamp is LL 00BB. 1006622. It is a posi with an eaton carrier. ...
  11. Thread: Sway bars

    by joeskylark
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    1.25" front swaybar

    You should be able to find plenty of front swaybars from a 70-81 Trans-am. It is a direct bolt on and is 1.25". Use new 1.25" polyurethane swaybar bushings available everywhere. They do not squeak as...
  12. Thread: AC delete

    by joeskylark
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    AC delete

    I want to delete my ac unit from my 1970 Skylark convertible. Besides patching the opening in my firewall, and obtaining a heater blower box for the firewall side, is it necessary to use a non ac...
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    Stuck Rear drums

    I bought a 10 bolt posi rear with rear drums stuck so badly the rear will not turn. I want to remove them for teardown, but I cannot move the starwheel adjuster because it is rusted so badly. Any...
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    Re: Corporate 8.5

    Bob- Thanks for the info. I was pretty sure the source was mistaken. He said he was a Pontiac guy though, and he seemed pretty knowledgable. I'll trust your spreadsheet over his word. Thanks again. ...
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    Re: Corporate 8.5

    Mid size meaning the A-bodies ie. Skylark/GS, Lemans/GTO, Cutlass/442 etc? All I want to do is find the least expensive 8.5" rear I can find so that I can rebuild it. The prices are lower, and the...
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    8.5 Corporate Rear

    Can someone explain the concept of "GM Corporate" ? What does it mean? I was recently told by a Chevelle guy that all 8.5" rears are "corporate", and have c-clips retaining the axles. He said that...
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    Ring gear bolts

    My 1970 Buick Chassis manual states that for 1970 Skylark 10 bolt rears use 7/16" left-hand thread ring gear to carrier bolts. Several non Buick sites declare that the best way to determine whether...
  18. Chrome shops

    Call Tri City Plating in Elizabethton, TN 37643. I have seen their work at Carlisle for several years running. They are good to talk to and willing to advise. They were not the cheapest, but I know...
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    Drop spindles for 67 GS400

    You can also try a company called PST or Performance Supension Technology. I am looking at their catalogue now and it shows a complete front disk brake conversion kit and 2" drop spindles for $1329...
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    12 bolt chevy rear

    Being that this 12 bolt comes with 411 gears, what would be the overall gear range available for install? I will be running a 455 Buick, and I am under the impression that 411 gears are great for...
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    1970 Convertible springs

    I am trying to find good springs to use in my 1970 Convertible Skylark. I am replacing the original 350 with AC for a 455 and removing the AC. I think the overall weight change is nominal. Does...
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    12 Bolt Chevelle rear

    I have been searching for the best rear I can afford for my budget, and I have come across a 12 bolt posi rear, cleaned and rebuilt without gears for $400. I have a 1970 Skylark convertible with a...
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    The rear that is available is from a '72 skylark....

    The rear that is available is from a '72 skylark. Are you saying that if it has C-clips it is more desireable or less desireable? I thought the canadian built c-clip rears were to be avoided because...
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    switch to an 8.5, or keep my 8.2

    I have a chance to pick up a 10 bolt 8.5 rear from a 72 skylark for next to nothing. I currently have an 8.2 in my 70 skylark. Both rears are non-posi. Does either rear offer anything more in terms...
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    Thanks for the tip. I used my air hammer to cut...

    Thanks for the tip. I used my air hammer to cut the rivets off the ball joints. I've got everything already off and on the bench. There is nothing on my frame except Eastwood Chassis Black. I don't...
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