unless your motor is ailing i wouldnt take it out. 2500 is enough for a supercharger...
and you do NOT have to get special headers for use with P heads.. big ugly rumor.. e-mail me for the secret...
Bar5516@aol.com.. hehe
p heads usually go for 400
put some good roller rockers on them 225
nice intake 500
tb 200
injectors 225
nitrous kit 500
11's easy!