BlownFogger540 Posted September 23, 2012 Report Share Posted September 23, 2012 (edited) I have a new set of gmpp LS3 821 casting CNC Ported Heads $1100 new price these come as shown with light weight valves and Z06 springs and are 68cc Valve Angle: 15-degree Combustion Chamber: 70cc* Intake Port Volume: 275cc* Exhaust port Volume: 99cc* Minimum Cylinder Bore Required: 4.000" * Approximate, Numbers are within +/- 2ccs Milling Information for Combustion Chamber Sizing: - Approximately 0.006 per 1-cc For 68-cc Chamber Remove 0.012 For 65-cc Chamber Remove 0.030 Specifications: Max Lift: 0.570" V/Springs: Stock LS3/LS6 Locks: 7-degree Retainers: Stock Flow Chart: Flowed @ 28 H20 Lift 0.100 0.200 0.300 0.400 0.500 0.600 0.650 Intake 70 153 225 280 324 350 358 Exhaust 52 118 180 201 217 230 236 Edited December 13, 2012 by BlownFogger540 (see edit history) Quote Link to comment Share on other sites More sharing options...
Downeast Johnny Posted September 24, 2012 Report Share Posted September 24, 2012 Man! That looks like Christmas morning, right there. Quote Link to comment Share on other sites More sharing options...
KrausMotorSports Posted September 24, 2012 Report Share Posted September 24, 2012 Amen! Haha Quote Link to comment Share on other sites More sharing options...
BlownFogger540 Posted September 24, 2012 Author Report Share Posted September 24, 2012 well buy them and open at xmas its not that far off lol Quote Link to comment Share on other sites More sharing options...
BlownFogger540 Posted December 1, 2012 Author Report Share Posted December 1, 2012 bump ! Quote Link to comment Share on other sites More sharing options...
BlownFogger540 Posted December 13, 2012 Author Report Share Posted December 13, 2012 $1100 new price Quote Link to comment Share on other sites More sharing options...
BlownFogger540 Posted January 13, 2013 Author Report Share Posted January 13, 2013 bump ! Quote Link to comment Share on other sites More sharing options...
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