It is a 340 with a Comp Cams Xtreme Energy XS282S (.520 / .540 lift and 244 / 252 duration at .050) and 10.5:1 compression. The trans is a 727 with stock gears and a 9.5" PTC 3500 rpm converter. I do a lot of street driving with the car as well.

Last edited by bigsbigelow; 01/06/11 02:16 PM.
Ryan "Bigs" '73 Duster (BLKDUST) - Black, 100% factory sheet metal, flat hood, 346 cid, J Heads, and a bench seat. http://s268.photobucket.com/albums/jj1/bigsbigelow/ Best to date: 12.40 @ 109 mph