Ed- i had the same thoughts and questions also onthe cc's ,deck height. gaskets etc......i just pulled up Shafiorffs pump gas 632 motors and posted the spec's...looks like they are bringing their motors in at 10.75 to 1......
again i am speaking of cruise inn, Saturday night Speacials.....
Below is the specs on Shafiroffs 632 ULTRA STREET
Horsepower 900 @ 6200 RPM
Torque 845 @ 4600 RPM
Bore & Stroke 4.600 x 4.750
Comp Ratio 10.75 - 1
Block Blueprinted Dart Big "M" 10.2" Tall Deck w/4 Bolt Splayed Caps
Heads SSRE/CFE 385cc Fully CNC Ported Aluminum
Valves 2.300/1.880 Severe Duty Stainless Steel
Crank Callies 4340 Magnum Pro Series
Rods Lunati Pro Mod 6.660" w/220,000 PSI Bolts /
Crower Big Block Sportsman
Pistons JE/SSRE Custom 10.75 - 1 Aluminum
Camshaft Comp Cams Custom "Street Roller"
Lifters Comp Cams Solid Roller
Timing Set Cloyes Tru Roller w/Torrington Bearing
Rocker Arms Crane Gold Series Aluminum Roller Rockers
Intake Manifold New Merlin "X" 10.2 Dominator
Valve Covers Polished Cast Aluminum w/Logo
Oil Pan Moroso/SSRE Pro Windage Series
Dyno Yes. Actual Dyno Sheet Provide
__________________
Bjuice..
"I'M YOUR HUCKLEBERRY ! "