Camshaft Specifications

From OpenGK
2.7L Delta Camshafts
Manufacturer Part # Lift Duration Separation Overlap In Open In Close Ex Open Ex Close Notes
OEM .316 232° Adv. 110° 14° 6° BTDC 46° ABDC 44° BBDC 8° ATDC
Colt Tri-Flow .340 Int1

.335 Int2

.340 Exh

211° @0.050"

201° @0.050"

211° @0.050"

N/A Stage 1
Colt Tri-Flow .365 Int1

.355 Int2

.365 Exh

218° @0.050"

210° @0.050"

218° @0.050"

N/A Stage 2
Crower E64012 .340 210° @0.050" 110° 10° 1° BTDC 31° ABDC 39° BBDC 9° ATDC N/A Stage 1
Crower F20688 .342 210° @0.050" 114° 5° BTDC 35° ABDC 43° BBDC 13° ATDC F/I Stage 1
Crower E65701 .349 214° @0.050" 114° 3º BTDC 37º ABDC 45º BBDC 11º ATDC F/I Stage 2 (Duffer)
Crower F5782

F2418

.349 210° @0.050" 110° 10° 1º BTDC 31º ABDC 39º BBDC 9º ATDC N/A Stage 2 alternative
Crower F12413

F7589

.351 210° @0.050" 110° 10° 1° BTDC 31° ABDC 39° BBDC 9° ATDC N/A Stage 2 alternative
Crower ??? .399 264° Adv.

198° @0.050"

Still gathering details on this

custom grind.

Crane STG 1 .341 202º @0.050 110º NGM's N/A Stage 1
Crane STG 2 .370 216º @0.050 117º NGM's F/I Stage 2
PROSS HiCam

9.2mm

.362 to

.368

260º Adv. Unknown
PROSS HiCam

10.7mm

.421 to

.428

270º Adv. Unknown