<VV> FC Tire pressure question
HallGrenn at aol.com
HallGrenn at aol.com
Wed Oct 28 10:47:32 EDT 2009
In a message dated 10/28/2009 8:56:10 AM Eastern Daylight Time,
dkdewald at pasty.net writes:
If you wish to use the P205/75R14 standard load index 95 passenger car
tires be aware that they are likely to be overloaded in certain
situations. Therefore I would recommend inflating them to the full
sidewall listed pressure [35 or 44psi depending on manufacturer] for the
rear and about 5 psi less on the front. This is essentially what GM did
for the base 4-ply tire.
Dale Dewald
Hancock, MI
Thanks for the feedback Dale. You are right--I had used the '61 FC specs
and not my '64 supplement. I have heard several conflicting points of view
on how to best compare a modern radial tire to the bias ply truck tires
available when the FC came out. When I have a light load, or for everyday
use I run at the 30psi front and rear I noted, but if I am going to haul
anything near the close to 3/4 ton capacity (passengers or cargo) I also raise
the pressures to 35 psi all around. I'll try the slightly lower front
tire pressures listed on the '64 supplement this weekend (I used these
pressures when I first bought the '64 GB 25 years ago) to see if I want to go
back to them.
I wonder what the owners who autocross their FCs run for tires and tire
pressures?
Bob Hall
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