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Tire pressure

stevolwevol

Well-known member
Joined
May 28, 2015
Messages
250
Location
Michigan
Corvette
1977 light blue
I have noticed for a while the owners manual (77 Vette) calls for 20 lbs of pressure in the front, and 25 lbs in the back. This just doesn't seem right. It seems under inflated. Input would be helpful.
 

LLC5

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Joined
Sep 28, 2004
Messages
2,299
Location
Wa.
Corvette
98 black 6spd convert.
On a stock OEM tire size or close to it I would not go below 28 psi cold.
 

Antz81

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Joined
Dec 21, 2013
Messages
936
Location
Auckland, New Zealand
Corvette
1981 4 speed
On a stock OEM tire size or close to it I would not go below 28 psi cold.

The recommended pressure for an '81 is 35psi front and rear.
some people prefer lower but very few like them as low as the OP's manual recommends regardless of what year they have.
 

stevolwevol

Well-known member
Joined
May 28, 2015
Messages
250
Location
Michigan
Corvette
1977 light blue
The recommended pressure for an '81 is 35psi front and rear.
some people prefer lower but very few like them as low as the OP's manual recommends regardless of what year they have.

Sorry I'm late to answer this post, it went to my spam for some reason. So If they recommend 35 psi in 81, was it because of radial tires? Why would it be so drastically different otherwise?
 

Antz81

Well-known member
Joined
Dec 21, 2013
Messages
936
Location
Auckland, New Zealand
Corvette
1981 4 speed
Sorry I'm late to answer this post, it went to my spam for some reason. So If they recommend 35 psi in 81, was it because of radial tires? Why would it be so drastically different otherwise?

Yes the change to radial tires required a higher pressure.
It seems when radials were first fitted they recommended a lower pressure but this only lasted a few years.
 

stevolwevol

Well-known member
Joined
May 28, 2015
Messages
250
Location
Michigan
Corvette
1977 light blue
I put 35 psi in each tire. Looks good, rides great, handles great with no harshness = right thing to do.
 

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