Join Date: Nov 1999
Location: Central California, USA
Re: are shock extenders needed for QA1's
You need at least 3" of shock extension past the mount with the car on it's wheels.
With stiffer than stock springs, you might get by with less, like 2 1/2" but if the shocks ever top out under hard braking, the car will spin out - terminal oversteer.
If you ever let the rear axle hang down with no shocks, keep an eye on the brake hose to diff connection. The hose is short and may be torn apart. On a second gen Camaro, it's not a problem.
Check my web page for First Gen Camaro suspension info:
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67 RS 327 original owner. 1965 Lola T-70