1991 RS
383 cid LT1


HEAD VOLUME: 54cc


BORE: 4.030"


STROKE: 3.75"


HEAD GASKET COMPRESSED THICKNESS: 0.039"


GASKET BORE DIAMETER: 4.166"


DECK HEIGHTH: 0.012"


PISTON DISH DOME VOLUME: 16cc (16cc x 0.061"= 0.976")


HEAD VOLUME: 54cc x 0.061= 3.294"






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SWEPT VOLUME= 3.1416 x GASKET BORE x GASKET BORE x STROKE *
DIVIDED BY 4




TDC VOL.=HEAD VOL.+GASKET VOLUME+DECK VOL.+DISHDOME VOL.


HEAD VOL.= IS MEASURED AND OR PUBLISHED IN CUBIC CENTIMETERS



GASKET VOL=3.1416xGASK BORExGASK BORExCMP GASK THICKNESS
DIVIDED BY 4



DECK VOL= 3.1416 x BORE DIA x BORE DIA x DECK HEIGHTH *
DIVIDED BY 4



COMP. RATIO= SWEPT VOL+ TDC VOL DIVIDED BY TDC VOL

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DISH DOME VOLUME: 0.976" *


SWEPT VOLUME: 51.1" *


TDC VOLUME: 4.954" *


HEAD VOLUME: 3.294" *


GASKET VOLUME: 0.531" *


DECK VOLUME: 0.1530" *


COMPRESSION RATIO: 11.3-1