Now that’s a great question! It’s also a variable one for myself and truly dependent on my goal for the car itself. The burning question is how much street time will it actually honestly see?
Example #1! My ‘71 strip Duster. Will see very limited street time.
The build is set up for a stroker W2 and a cam of or at a north of 260*’s at 050, lots of stall and gear, the goal is 9 seconds.
Example #2! Street strip ‘74 Duster. Will built very similar with W2 heads. This is a car that will see approximately a 50/50 thing. The cam and compression will be smaller and less, not so brutal of a cam stick. Gearing will be 4.30’s. I’ll cruise around these Florida back roads and minor arteries at a max of 40/45 mph.
Example #3! Wife ‘67, total street car. 11.3-1, 360 w/TF heads, RPM intake, 750, TTI exhaust stem to stern, small hydraulic roller cam with .573 lift, tight converter and 3.55’s. It has hauled the mail above 140 mph on the Hwy. Track times yet to be sorted out. I need to get back to the track but I’m piled up with garbage.