[vector1]

alright here are the numbers used and the power figures since there was lots of conversation on the 429/460 site. thought all of you might find this of interest, it is from eap computer simulation program of course. i'll try to make it readable.

4.24 bore x 3.78 stroke, 426.98cid

2.09" intake, 1.625 exhaust

compression 12.5 chamber volume 76.1

dual plane manifold, 1 780 cfm carb.

headers with open exhaust

solid flat camshaft intake 244 102 c/l, exhaust 244 102c/l, lash .025 both, rocker arm ratio 1.76, lobe seperation 102, gross valve lift .5 both,

primary exhaust pipe dia. 2.15", collector length 25"

pk tq 512 @ 5000, pk hp 510 @ 5500, avg tq 449, avg hp 364

10.8" idle vacuum