BF Goodrich Drag Radial Tire Pressure

Hi Guys
I've just started racing my 73 duster. I run 165 radials on the front with 36psi. My question is I'm running 275/50/15 Drag Radials on the rear, a good friend of mine said I should run 24psi. Now I've been looking through the forum and everyone goes from 14psi to 22 psi..I'd like to get my 60 foot times down at the moment it about 1.9..
Any help greatly appreciated

Tim
I took my car out to the track to try my BF Drag RAdials P325/50R15's. I was running 11.60's and my car would usually run 11.50 with MT ET streets so I gave up on them. Later that week I found out my new throttle bracket wouldn't give me wide open throttle. I want to go back and try them again this summer. I can't remember what pressure I was running so you have to experiment with it. Maybe start at 20psi and go down from there. Jysnflem