Compressio Ratio
Standard Duratec - 9.7 to 1
SVT Duratec (98, 98.5, 99) - 10 to 1
SVT Duratec (00) - 10.25 to 1
Standard 3L Duratec - 10 to 1
3L / 2.5L Hybrid - ~11.2 to 1 (no cylinder head changes)
HP/TQ - Flywheel Ratings
Std Duratec - 170/165
SVT Duratec (98, 98.5) - 195/167
SVT Duratec (99, 00) - 200/169 (DH UIM, 3L LIM, EH on primary head ports)
Std 3L Duratec - 200/200
Hybrid 3L - ~240/~200
Bore, Stroke, & Displacement
2.5L Duratec (95-99) - 82.4mm x 79.5mm = 2544cc
2.5L Duratec (00+) - 81.67mm x 79.5mm = 2499cc
3L Duratec - 89mm x 79.5mm = 2967cc