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- Newsgroups: rec.autos.tech
- Path: sparky!uunet!rde!gator!towers!mwhhlaw!jim
- From: jim@mwhhlaw (James P. Cavanaugh III)
- Subject: Re: Radials on '60s era cars?
- Message-ID: <1992Oct9.124651.1494@mwhhlaw.uucp>
- Sender: jim@mwhhlaw.uucp
- Organization: Martin Wade Hartley & Hollingsworth
- References: <1992Oct7.214440.4916@clipper.ingr.com>
- Date: Fri, 9 Oct 1992 12:46:51 GMT
- Lines: 44
-
- In article <1992Oct7.214440.4916@clipper.ingr.com>
- greeven@clipper.ingr.com (John Greeven) writes:
- > I have a '66 Buick with Bias Ply tires which are all but worn out.
- > Replacements are available though quite expensive due to their
- > increasing rarity. I'm considering putting on radial tires but
- > am concerned of potential incompatibility. Although I've seen
- > many '60s era cars with radials I've also heard that the suspensions
- > were not designed for radials and the combination can be bad or
- > even dangerous. At the very least I would only consider putting on
- > 4 new radials and not mixing radial and bias ply tires, right?
- >
- > A second factor is that the old bias ply tires had relatively low
- tread
- > wear. I'm not sure whether this is more due to the tire type
- (probably)
- > than to the weight of the car (4000+ lbs).
- >
- > Any thoughts or personal experience with this would be greatly
- > appreciated.
- >
- >
- > John
- > greeven@clipper.ingr.com
-
- I can heartily recommend radials on older cars. My first
- experience was with a 71 plymouth Scamp. I had always heard that, at
- most, the problems would be a low speed noise or ride harshness. I
- have never found any such problem. Anyone with Valiant/Dart experience
- will tell you that a good ride was not among their many attributes.
- (Especially when they have over 100k miles.) After the radials went
- on, that car rode like a Cadillac, by comparison. The greater flex in
- the sidewalls absorbed a lot of road shock that previously reached the
- drivers seat. The only other side effect is that the radials are much
- "stickier". With bias ply tires, you will run out of tire traction
- before you run out of suspension travel. With radials, the increase in
- traction may make your suspension seem overly soft. I generally went
- with somewhat stiffer shocks to help the suspension take better
- advantage of the better tires.
- The results with my 66 Fury III were pretty much the same.
- Rode smoother, but leaned over more in hard turns (which would have had
- tires sliding previously). I never noticed any unusual noise or
- harshness.
-
- Jim Cavanaugh
-