Join Date: Nov 1999
Location: Central California, USA
Re: Anti-roll bar or not?
I assume you are asking about adding a rear bar?
I've worked on a bunch of cars so far. All but one have had a rear sway bar. The one was Bad Penny, with the help of Global West Suspension, the setup was different on that car. A lot was done with the rear shocks to give the effect of a rear bar. In the end, we did put a smaller rear bar on the car to get the car balanced. Even with the shock tricks. Too much rear bar hurts on corner exit so you don't want to go crazy with rear bar rate. IF the rear roll center is high enough, you hardly need a rear bar, but that would take a very special suspension. If you have a suspension with watts link or Panhard bar, then as you raise them, the rear get's stiffer in roll. On Bad Penny, we raised the rear watts bellcrank which raised the rear roll center.
If you drive at max cornering G's around a fairly large sweeper, like a Freeway on ramp and find the front is understeering, then you need a rear bar or bigger rear bar. Or higher Panhard bar or Watts setting. If your rear tires are wider than the front, then more rear bar is needed.
Check my web page for First Gen Camaro suspension info:
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67 RS 327 original owner. 1965 Lola T-70
Last edited by davidpozzi; Jul 27th, 17 at 06:44 PM.