autox setup with ground controls?
autox setup with ground controls? all my mods are in sig. i have the gc coils in the rear with a 150 spring rate. i no longer daily drive this car. so what would be a good match for the front spring rate.
Most guys run 500 to 600 lb/in for their front springs on a AX fbody running GC's and 150 rear. The trend lately has been to go with more; usually 550 or 600 lb/in. It will depend on your tires somewhat. The more grip your tires have, the stiffer the springs should be. I've had good results with 700F/175R running on 13 inch wide Goodyear slicks. For 275 Hoosiers, 600 lb/in would be all you would need. On a good street tire, 500 lb/in would probably be enough. Keep in mind there are other factors too like your shocks, the surface you AX on, and personal preference.
i guess ill start with the 500.. my former employer wants me to get into. so ill try this and see happens... since we/i was direct with ground controls and they are up the street from me its not a problem getting the parts.
Hoosiers are very stiff, and 600's are too much IMHO. I ran 500's with 315's Hoosier's and 600's with Kumho V710's.... FWIW, that's way more spring than your HD's can handle!
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www.stranoparts.com --814-849-3450
Results matter. Talk is cheap. We are miles beyond the success anyone else has had with the 4th gens, and C5, C6, C7 Corvettes,
10 SCCA Solo National Championships, 2008 Driver of they Year, 2012 Driver of Eminence
13 SCCA Pro Solo Nationals Championships
2023 UMI King of the Mountain Champion
I would go with whatever Sam suggests, he is more qualilfied in this area than I am.
I would also consider at least changing out your front Bils with Konis. You don't need as much shock in the rear, so the Bils might be OK back there, but I believe Sam can cheaply revalve those for you as well.
Shocks and tires are what will make or break a fbody AX car.
I would also consider at least changing out your front Bils with Konis. You don't need as much shock in the rear, so the Bils might be OK back there, but I believe Sam can cheaply revalve those for you as well.
Shocks and tires are what will make or break a fbody AX car.
Originally Posted by Sam Strano
Hoosiers are very stiff, and 600's are too much IMHO. I ran 500's with 315's Hoosier's and 600's with Kumho V710's.... FWIW, that's way more spring than your HD's can handle!
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Originally Posted by SVC707
how much to revalve my hd's... they are about three years old already
I know that Sam doesn't usually revalve "used" shocks. The reason is that if there is anything wrong with them internally and Bilstien has to do any repairs on them, it quickly becomes cheaper to buy new shocks. So, he typically revalves new shocks only (for that reason). I'm sure Sam will correct me if anything has changed, but you might do well to sell your old shocks to someone and use that money for revalves if you wish to go that way.
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