Re: [Amc-list] 'Flexible Flyers' (bias to radial tires)

[farna@xxxxxxx]

Armand, you need to change to radial tuned shocks, that's the main thing. Any new shocks are most likely valved for radials (which have softer sidewalls, so need different valving) unless you get shocks specifically designed for old cars -- not that just mount on them, but are specifiaclly stated to be valved for bias ply tires. Radial shocks are valved stiffer than bias types. I still had bias ply tires on a Rambler in the early 80s (when you still could get them easily) and put new radial tuned shocks on it. Rode very rough! Got new readial tires and it rode like a dream! Radials with bias ply valved shocks would probably wallow like a whale. I bet that turned a lot of people off radials when they first came out. 

Radials do want a bit more caster to track straight. 2-3 degrees more would be helpful driving down the interstate. I can only get 2.5-3 degrees from the old pre 70 trunnions (which were designed for ZERO degrees caster!). It helps a little, but the car is "darty" with a quick ratio rack and pinion. It would wander a little, especially in a cross wind, with standard GM type power steering. It's touchy now -- better pay attention and keep your hands on the wheel!! 


------------------------
Date: Tue, 3 Jul 2007 18:21:10 -0500
From: "Armand Eshleman" <aje1@xxxxxxxxxxxxxxx>


Now that we know the nuances of AMC front end geometry, I really wish I knew
what to do to convert my car to Radial tire technology. My 70 "Flexible
Flyer" Javelin still has bias ply tires on it.



--
Frank Swygert
Publisher, "American Motors Cars" 
Magazine (AMC)
For all AMC enthusiasts
http://farna.home.att.net/AMC.html
(free download available!)
_______________________________________________
Amc-list mailing list
Amc-list@xxxxxxxxxxxx
http://www.amc-list.com/mailman/listinfo/amc-list