Milner, I asked about the best cam choice for a 400 similar to yours. The Comp 60243 was recommended and the Summit 2802 (which is very close to it...
OF course the 068 and the SPC-7 can use stock springs.
The 2801, 2802, and the 60243 will not work with stock springs.
The 068 and 041 may have been designed to help keep detonation at bay with the higher compression engines used back then. I wish MR. McKellar was still around, he might be able to answer that...
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1977 Black Trans Am 180 HP Auto, essentially base model T/A.
I'm the original owner, purchased May 7, 1977.
Shut it off
Shut it off
Buddy, I just shut your Prius down... 
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