Summit cam for a 318 LA

I LOOOOOVE those 66-67 2 door HT B-Bodies. Glad you came onto FABO!

With this 318's CR actually being in the low 8's, and not the 9.2 Mopar advertised CR, and with the heavier car, and low gear number, I would certainly expect this car to be boggier off the line with the 6901 cam. At least the wide LSA and slow ramps will help the overlap to not be too much, so the mid-range will come back on quicker than one might expect. How much vacuum it will give is something I do not know.

FWIW, I personally would go with something more like this: https://www.summitracing.com/parts/sum-k6900/overview/make/dodge

Or, better yet, like this: https://www.summitracing.com/parts/crn-693902/overview/make/dodge

Either of these will be better at lower RPM's, work better with a stock TC, and give higher vacuum for the power brakes. I would prefer to shift the torque band down in RPM range for this car, gearing, TC, etc.

If you do use the 6901 cam, then yes, for sure, degree it in but I personally would advance the cam timing another 4 degrees to help lessen the bog. (I am assuming that the 6901 has 4 degrees of cam advance already ground in so total advance would end up at 8 degrees; ICL would end up at 106 degrees.)

And you may already know this: Whatever cam you select OP, since this is your first cam swap, be sure to read up on ZDDP levels and oil selection, and on proper break-in procedures for a new cam. Both topics are vital to understand, and will save you from a lot of grief.... like a ruined new cam, and perhaps tearing down the motor to clean out the particles of cam/lifter metal that would result.