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G2/Hyperco lowering springs

This is a discussion on G2/Hyperco lowering springs within the Parts For Sale / Trade forums, part of the Sponsors Group Pricing and Parts Review category; These are for 4th gen f bodies. Hyperco (suppliers of high tensile chrome silicon springs for most Formula 1, C.A.R.T., ...

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    G2/Hyperco lowering springs

    These are for 4th gen f bodies. Hyperco (suppliers of high tensile chrome silicon springs for most Formula 1, C.A.R.T., IndyCar, and NASCAR teams) made these for Lou Gilotti's early G2 line. They will lower an f body approx. 1.4" front and rear, depending on weight/options. They are; 248-442 lbs. inch progressive front rates, and 73-183 lbs. inch progressive rear rates.
    These are powdercoated blue and have some slight rust in spots. They were on the car for about 15K miles. LGM was/is getting $260.00 + shipping/handling new, I'm asking $120.00 shipped. PM me if interested. Thanks for looking.

    Last edited by refusenik; 07-17-2007 at 01:19 PM. Reason: add pics

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    Junior Member tsench's Avatar
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    100 shipped? do u have anypic of the car lower down

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    I would have to get at least $115.00 for these shipped, as it seems that Fed Ex raises their rates DAILY (due to fuel costs they say), and it will probably cost me >$20.00 to ship these, even across town, let alone across the country!!
    No, sorry, I don't have any pics of the car when these springs were installed. My ride was never very "blingpimp"/special, so I never bothered with pics.

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    Compulsive F bomb dropper sgt0704's Avatar
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    how much to ship through usps? to 85365?

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    Quote Originally Posted by sgt0704 View Post
    how much to ship through usps? to 85365?
    I would have to check on that. If you could wait for them via parcel post there would be no additional charge, if not, and you need first class or priority, I would have to let you know.
    You cannot recieve FedEx??

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    Compulsive F bomb dropper sgt0704's Avatar
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    it's just usps is usually cheaper shipping wise.

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    Compulsive F bomb dropper sgt0704's Avatar
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    and from my experiences, faster.

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    Possibly faster, but certainly NOT less expensive (at least for Priority Mail).

    ~$53.00 Priority Mail

    ~$45.00 FedEx Home Delivery (by end of 4th day)

    ~$33.00 Parcel Post (who knows how long??)


    This is before any insurance or tracking fees. WOW, I have not shipped anything this heavy in a long time. These rates are EXORBITANT!!!

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    Compulsive F bomb dropper sgt0704's Avatar
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    hahah. are they too big for a flat rate box?

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    Yeah, it's a shame they are since that would be a GREAT shipping deal, but that would be like the proverbial "putting ten tons of s*** in a 5# bag"!

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    Actually, I just looked at the largest flat rate boxes (on USPS.com) and IF I could fit 2 springs in each box, I could ship in 2 separate boxes. It would still come out less $$ than any other way, and get there faster. I will get the boxes and check this out tomorrow AM.

    Thanks,
    Dave H.

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    It seems that the largest of the flat rate Priority Mail boxes are way too small for even 2 springs. (I just barely fit a Pro 5.0 shifter, in it's original box in one of these!)

    Oh well, I guess it's FedEx for these.

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    Senior Member clg82's Avatar
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    2000 Trans Am

    Quote Originally Posted by refusenik View Post
    ttt
    should you buy new shocks when using these or will my stock ones work? and are they easy to install?
    2000 Arctic White trans am, ws6 hood, ws6 air box, slp lid, slp smooth bellows, slp loudmouth exhaust,shift kit, rebuilt trans, LS6 intake, 3.73 gears, Shaner S3 p/p throttle body, and a tune . SFC. C6 ZO6 rims 18" in back 17" in front. Drilled and slotted rotors.

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    Quote Originally Posted by clg82 View Post
    should you buy new shocks when using these or will my stock ones work? and are they easy to install?
    They would work better with at least Bilstien HDs, (as would ALL aftermarket springs), but the rates are moderate enough to still work OK with the stock De Carbons (according to the techs at Hyperco).

    You will need a spring compressor tool (free loaner at Pep Boys) for the fronts. The rear springs can be put in by hand just by jacking up the body.

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    Quote Originally Posted by clg82 View Post
    should you buy new shocks when using these or will my stock ones work? and are they easy to install?
    Research it a little before you buy just springs as the bistien HD's are matched for stock springs not any aftermarket ones. There are shocks that will work however and bisteins can be revalved to match different spring rates.

    Sorry to Hyjack refusenik!

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    Quote Originally Posted by SexOnWheels View Post
    Research it a little before you buy just springs as the bistien HD's are matched for stock springs not any aftermarket ones. There are shocks that will work however and bisteins can be revalved to match different spring rates.

    Sorry to Hyjack refusenik!
    That's OK, but it's why I "disclaimered" with "at least Bilstien HDs". The Hyperco tech explained to me that these early G2s were not as "heavy" (stiff) as the later ones, and were meant to be more compatible with the stock De Carbon's valving, although alright with the HDs or even with Koni SA/DAs on the softer settings.

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    i am interested in these. i've been eyeing them for a few days. you don't happen to have a link for the specs on these do you? i tried searching, but kept coming up with nothing.

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