Block Family Bore
Stroke Cubic Inch Adv. Horsepower
Torque Ft.Lbs WeightSlant Six
3.40 3.175
170 115 @
4400 155
@ 2400 475
Slant Six
3.40 4.125
225 145 @
4000
145 @ 4000 475
Small Block 3.63
3.31 273
190 @ 4400
260 @ 200 525
Small Block 3.91
3.31 318
230 @ 4400
340 @ 2400 525
Small Block 4.04
3.31 340
275 @ 5000 340
@ 5000 525
Big Block
4.25 3.38
383
300 @ 4400 * 400 @
4000 620
Big Block
4.32 3.50
440
350 @ 5000
480 @ 3200 670
Big Block
* (325@ 4800)
Detuned to 300 due to restrictive exhaust manifolds in Dart
67 GTS
** Appox.
640 440 M Code Darts were produced
69 M Code