Pelican Parts Forums

Pelican Parts Forums (http://forums.pelicanparts.com/)
-   Porsche 911 Technical Forum (http://forums.pelicanparts.com/porsche-911-technical-forum/)
-   -   Caster angle changes from build year to year? (http://forums.pelicanparts.com/porsche-911-technical-forum/369166-caster-angle-changes-build-year-year.html)

avendlerdp 09-26-2007 07:46 PM

Caster angle changes from build year to year?
 
I have had a few 911's. Several long hoods and a Carrera. My 1984 Carrera's steering effort was MUCH heavier then any longhood car I have driven. I can't see how it could be just a weight issue. Are the stock caster angles for all years of 911 the same? The 84 dove like it had a lot more caster. It was very stable at high speeds but was a bear in town. Could one lighten up the steering of the later car by removing some caster? I like the later car but the heavy steering is a drag.


Thoughts?

stlrj 09-26-2007 08:07 PM

Caster is pretty much the same from long to short hood. The difference you are feeling is likely the result of excessive negative camber from lowering and bigger low profile rubber.

Chuck Moreland 09-26-2007 08:49 PM

Lots of things have an effect on steering feel. Tire size, wheel offset, tire pressure, and alignment settings are some of the heavy hitters.

Provide details on these items and detail any other suspension mods.

jluetjen 09-27-2007 04:27 AM

Actually, the castor was increased slightly from 1969 to 1970. To elaborate on what Chuck said, as tires and wheels got wider, this would have increased the offset between the center of the contact patch and the steering axis, which would increase the steering effort too.

304065 09-27-2007 06:13 AM

Quote:

Originally Posted by jluetjen (Post 3500792)
Actually, the castor was increased slightly from 1969 to 1970. To elaborate on what Chuck said, as tires and wheels got wider, this would have increased the offset between the center of the contact patch and the steering axis, which would increase the steering effort too.

http://forums.pelicanparts.com/uploa...1190902522.jpg

avendlerdp 09-28-2007 01:26 PM

Thanks for the thoughts. The two cars had the same size tires. I wonder if the offsets of deep six's and the Carrera 15x6's are different?


All times are GMT -8. The time now is 01:27 PM.

Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2025, vBulletin Solutions, Inc.
Search Engine Optimization by vBSEO 3.6.0
Copyright 2025 Pelican Parts, LLC - Posts may be archived for display on the Pelican Parts Website


DTO Garage Plus vBulletin Plugins by Drive Thru Online, Inc.