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  1. #1
    Join Date
    Dec 2004

    Default Springs for 1970 Pontiac Lemans Convertible

    Last week I picked up a 1970 Pontiac Lemans Sport Convertible. Good car that came to TN 25 years ago from Californication therefore very solid. The car has been parked for the last 20+ years by the previous owner.

    Amazingly the previous owner just prior to parking the car installed all new stock bushings, ball joints, tie rod ends ect however they left the original front and rear springs in the car with the required spring spacers to prop up the worn out original front springs. The car has 79K miles on it.

    As part of my work to get the car on the road as a driver I want to replace the original springs with a matched set of new springs front and rear. The car will retain the complete original suspension with the exception of the installation of a 1 1/4 inch front sway bar and a 1 inch rear bar I had laying around. The wheels and tires will remain the original 14x6 inch Rally II's with WHITEWALL 215/75-14 tires.

    The car sits just right with the worn out springs therefore I would expect a set of 1 inch drop progressive rate springs would be a good replacement for the stock springs which leads to my question:

    Given the fact that the car will retain the original suspension parts and geometry what brand and part number set of matched front and rear springs (Progressive or otherwise) with a 1 inch drop to maintain the current look of the car would you recommend for the above referenced 1970 Pontiac Lemans CONVERTIBLE and Why?

    Remember, "Drive Fast, Turn Heads, Break Hearts!"

  2. #2
    Join Date
    Nov 2006
    Mountain Springs, Texas
    Country Flag: United States


    I had good luck with UMI springs on a 71 Cutlass convertible which is a similar car. I tried ridetech springs on the same car and for some reason the rear sat several inches too high (springs were considerably longer).

    Pics are here:

    1969 Camaro - LSA 6L90E AME sub/IRS
    1969 Camaro convertible - LS3 4L65E Ridetech Level 2 Tru-Turn - sold
    1959 El Camino
    1969 Mustang Sportsroof
    1956 Cameo - full C5 suspension/drivetrain

  3. #3
    Join Date
    Sep 2005
    Country Flag: United States


    Our GTO Vert rides on our Springs


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  4. #4
    Join Date
    Sep 2010
    Beach Park IL
    Country Flag: United States


    This is my go to for stockish stuff.

    Support your local hot rod shop!

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