Personally, I'd think you'd get a lot more Bang for the Buck$ by jacking your initial timing setting up to about 15 deg BTDC and spending ~~$80 on a set of 1.6:1 roller-tipped rocker arms.

Just my $.02.........ed


'90 Troop 3.4 LS
'89 Troop RS (Has Valve Issues, needs Counseling)
HI, I'm Ed and I'm a Trooper-holic!
Keep On Troopin'......