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Chrysler first used LH threads in 1940. And they were bolts
back then, that fit into threaded holes in the drum. Only the driver's
(left) side of the car used LH threads.
Chrysler switched from bolts to nuts on studs during the 1950's, although
Chrysler of Canada used them through 1962 on cars equipped with Lockheed
brakes.
The last year Chrysler used LH threads on a production car was
1970.
Bill
Vancouver, BC
----- Original Message -----
Sent: Monday, March 31, 2003 12:07
PM
Subject: Re: [FWDLK] Left hand lug
nuts
Wow, hate to say he got it wrong, but according to more than
one article, and more than one source, the reason for left hand threaded lug
nuts was for NASCAR racing. They found that at high speed and long
distance the nuts would begin to back out. They remedied this with left
hand nuts. Since (at that time) cars had to be available in production
in order to compete, Chrysler did this on the whole line (so far as I
know). When they got out of NASCAR the left hand nuts disappeared
(1981-82-83?).
Just my pennies,
Charles.
P.S. our beloved fin
cars didn't use them did they?
From: Wayne Graefen
<wgraefen@xxxxxxxxxxxxxx>
Date: 2003/03/31 Mon AM 11:01:55 EST
To:
L-FORWARDLOOK@xxxxxxxxxxxxx
Subject: [FWDLK] Left hand lug
nuts
http://www.thecarconnection.com/index.asp?article=5895
has
a nicely written article regarding Chrysler's left hand threaded lug nuts and
explaining why the practice was dropped and where it came back
too!
Good reading.
Wayne
has a nicely written article regarding Chrysler's
left hand threaded lug nuts and explaining why the practice was dropped and
where it came back too!
Good reading.
Wayne
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