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I just stuck some fingers into some wheel wells 'round here. Right at the top of the tire and straight into the well so as to "measure" "gap":
- 718T (SPASM) ~1.5 fingers
- 991.1 S (PASM) ~ 2 fingers.
- 991.1 TT (PASM) ~ 2.75 fingers.
Yours looks like it would take 3.5 to 4 fingers.
Curious. FAL was 'down?'
Curious that the 991.1 S sits ~7-10mm lower than the 991.1 TT.
Perhaps PDDC gets a bit more ride height because with the sway bar links "flacid" it can produce/tolerate/need more suspension travel?
Maybe the .2 FAL cars get a bit more default ride height than the .1s?
Dunno.
Curious these unscientific "finger" observations.
Posted a pic with FAL up, and down.
As far as Stone conversion is concerned, about 257 for your 991.
Apologies for the huge pictures, didn't feel like re-sizing. Anyway, for reference, this is the before after using the Eibach springs. Rear "C" clip is on the lowest notch (was one notch up from bottom from factory), I'd imagine they'll settle a tiny bit more, only been on the ground for about a week. No change in ride quality that I could detect. I do have a DSC module and I went in and zero'd the ride height after install.
I really wish I could help with some input on "before" & "after" shots and how much the gap changed with H&R springs.
But like I said I bought mine dropped and to add to the difference my car also has 21in wheels...have not checked the tire radius as compared to stock???
But you can see the gap in the rear is not much at all I can barely get a finger in there when cleaning...but on the front I can get one finger in there for sure.
NOTE: And my car came with the clear side markers but I thought they were good for 3 mph in the 1/2 mile??? LOL
^ Installation shop I use for suspension work told me that their preference is to install H&R springs on Porsche vehicles. I asked them what their thoughts were on Eibach and they advised that they have experienced a loss of spring rate over time with that brand - never heard of that before? I still prefer the EIbachs for my install but they are the experts and that observation was unexpected.
The Eibachs put you at roughly GT3 height, which is a pretty nice sport suspension look. My driveway is pretty rough, I was afraid H&R's would be a little low for me.
11-01-2021, 06:10 PM
