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997 Turbo Springs

4Scargo
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4Scargo Member

4Scargo

Posted
Posted

Help. Does anyone know if 997 Turbo springs fit an '03 C4S? I have a chance to buy some Cargraphic's, made by H&R, but not completly sure they will fit. I know that the Porsche numbers don't match, but they don't match for the 996 C4S and the 996 Turbo. But, these are interchangable and do work. How about it....997TT springs fit a 996 C4S.

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Loren Member

Loren

Posted
  • Admin
Posted

Fit - yes.

Correct spring rate - no.

Porsche springs (and struts) are matched to the car's weight, body style, and transmission weight. So, even the 6 speed will have different springs than the Tiptronic.

For example:

Turbo coupe, 6 speed weight = 3394 lbs.

C4S coupe, 6 speed weight = 3020 lbs.

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Loren Member

Loren

Posted
  • Admin
Posted

Is it possible to change the springs so they fit C4S? What springs would be best to choose?

What are you going to do to the springs - cut them, rebend then and then adjust their length? Not likely.

It is best to buy springs that are already made ("tuned") to the specs of your car. Remember this as you are taking a high speed turn at 100 plus MPH.

Porsche tunes their suspensions for a reason - to make the cars fast and to try to keep you alive.

autoconnoisseur Member

autoconnoisseur

Posted
Posted

Is it possible to change the springs so they fit C4S? What springs would be best to choose?

What are you going to do to the springs - cut them, rebend then and then adjust their length? Not likely.

It is best to buy springs that are already made ("tuned") to the specs of your car. Remember this as you are taking a high speed turn at 100 plus MPH.

Porsche tunes their suspensions for a reason - to make the cars fast and to try to keep you alive.

Sorry for not being accurate in my question. What I meant was that if you could buy other springs like H&R to fit the 997 strut? Or maybe its better/more convenient to just buy H&R for my stock C4S struts...

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Loren Member

Loren

Posted
  • Admin
Posted

My point is about matching springs for the exact car - the is how to maximize both performance and safety.

Yes, H&R will work as long as they are spec'ed for your car.

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