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nkaminar · 06-30-2024, 04:17 PM

Pressure depends on the weight of the car. 35 psi may be OK for a light phaeton but may be too low for a heavy Fordor. The tires should not get so hot after 20 minutes of driving at 50 mph that you cannot hold your hand on the sidewalls.

The radial tires flex different than the bias ply tires and run hotter so the tubes are made differently. If you are not running the tires too hot then the standard tubes may be OK. The only difference I can see is that the radial tubes are about twice as thick.

Running them tubeless may be OK. I have a friend that does that with his 19 inch radial tires. A lot depends on the condition of the wheels. Pitted wheels may not hold the air.

06-30-2024, 04:17 PM	#19
nkaminar Senior Member Join Date: Jan 2012 Location: Western North Carolina Posts: 5,846	Re: American Classic Radial Tires Pressure depends on the weight of the car. 35 psi may be OK for a light phaeton but may be too low for a heavy Fordor. The tires should not get so hot after 20 minutes of driving at 50 mph that you cannot hold your hand on the sidewalls. The radial tires flex different than the bias ply tires and run hotter so the tubes are made differently. If you are not running the tires too hot then the standard tubes may be OK. The only difference I can see is that the radial tubes are about twice as thick. Running them tubeless may be OK. I have a friend that does that with his 19 inch radial tires. A lot depends on the condition of the wheels. Pitted wheels may not hold the air. __________________ A is for apple, green as the sky. Step on the gas, for tomorrow I die. Forget the brakes, they really don't work. The clutch always sticks, and starts with a jerk. My car grows red hair, and flies through the air. Driving's a blast, a blast from the past.