I'm slowly learning about suspension setup. Working on the ride height on my '75 again tonight, I was running some numbers through Wil Ferch's height calculations, on paper and with Thom's calculator, and thinking about the reasoning behind his method. I just want to say, Wil has saved a lot of people a lot of time, and really given something to the DIY 911 crowd.
My car has 21/26 bars, and I was going for fender heights of 24.5" rear, 25" front.
With an estimated 40/60 split at 2300(car) + 200(driver) lbs, it predicted 26-27 degrees of droop. That gave a height about 5/16" too low...I think the actual distribution on my car with the 930 engine and FG front end is more like 35/65.
The magic number turned out to be 28.1 degrees for my situation. To be able to get that in three tries just seems like magic to me.
I can't imagine what it would be like to do this setup blind, without any up front math predictions.
Thanks Wil!!!
Now on to the corner balance and alignment!
