We ran 11.5:1 on both engines

I think we would have seen a fairly dramatic drop in mid range torque if we had reduced the compression to 10:1. Also this engine ran fine on 92 octane 10% ethanol pump gas, so I would consider it a streetable engine.

Jay Brown
1968 Shelby GT 500 Convertible, 492" 667 HP FE
1969 R code Mach 1, 490" supercharged FE, 9.35 @ 151.20, 2007 Drag Week Runner Up, Power Adder Big Block
2005 Ford GT, 2006 Drag Week Winner, 12.0 Daily Driver
1969 Ford Galaxie XL, 460 (Ho Hum....)
1964 Ford Galaxie 500, 510" SOHC