[shortymac83]

Buddy of mine built the 250 in his 73 omega before throwing in a 455. He scrounged up a dirt track cylinder head and threw that on (sorry, no specs), 4 bbl intake with a Holley somewhere in the 350 CFM range, headers, dual exhaust, .030 overbore, 10:1 compression. I wish I could be of more help, but he just told me the basics and I'm planning on leaving my truck more or less stock. He said that with those parts and a hot cam, he got his car into the 13's with 4.11's in the pumpkin and a TH350 tranny...Seems a bit of a stretch, but what the hey...