|
Putting miles on 67, 402bbc VS 67 V6 305E
Amazed how much better this GMC drives after pulling 305E and upgrading to 402 BBC. conversion.
Drives like a car, smooth, V6 was unique, but seriously under powered.
305E V6 7.5mpg. 170hp
402 bbc 12mpg. 310hp
|