Join Date: Nov 1999
Location: Central California, USA
Re: Hotchkis Leaf Springs
Hotchkis tunes their springs for high performance use. The front rate is twice what stock is, (600) and the rear is pretty close to twice stock too. Springs don't have a large effect on body roll angle, but do have a lot to to with front rise and dive as well as rear squat and rise under acceleration and braking.
If your car has below 400 horsepower, and uses regular sized tires and wheels, the need for springs this stiff is not all that great, the rear leafs can be used, which will control any wheel hop problems, but softer front coils may be a better choice for a smoother ride. The Moog 6308 (380 lbs) is a favorite among members here and works well for a small block Camaro, some heavier cars and 69's prefer a 6320, which will sit around 1/2" higher.
Check the sticky thread on springs for more info.
Stock arms work fine, tubular uppers allow setting more positive camber, which will help cornering, a nice improvement. either way, align the car to have as much positive caster as you can achieve, usually +3 or +3.5 with stock arms, and .25 to .5 degree neg camber. If you drive on the freeway most of the time use .25, if you drive a twisty road now and then the .5 works better. The Guldstrand mod is also a good mod, but if you aren't into cornering hard, it is optional.
I'd still get the Hotchkis front and rear anti roll bars to balance the handling.
Check my web page for First Gen Camaro suspension info:
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67 RS 327 original owner. 1965 Lola T-70