Not Ranked
As others have said, it will be tire specific. When I race my cobra with Hoosier Vintage TDR's I run 17 lbs in the front and 16 lbs in the rear, but they are biased ply tires. Just be careful and slowly build up speed. Bias ply tires will let you know when you are losing grip, radials have better grip, but they either have grip or they don't. You may not know when you are on the edge of the tires breaking loose. I wold ask other people at the track who are running the same tire, or post here which brand you are using.
Jim
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