Unless you've got the timing card that came with the cam, the only way to evaluate it will be with a degree wheel and a dial indicator. Anything approaching 300 degrees of duration on either intake or exhaust is probably too hot for regular street driving.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!