with that cam you should though. even with a ton of timing that much overlap literally dumps fuel out the exhaust port. so if you dont your lean. get a infra-red temp gun. measure your headers. they should be close in temp and below 600 at idle. tough to say exactly what they "should" with out more knowledge of that particular engine. but a stock motor is in the 3-400 range.
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1998 Firebird:buncha parts thats used to make it go fast..... not so much anymore. 
BAAAAAA!!!!!!
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