Not a BBM, but
That must work for SBMs too. It seemed to me that the HE2430AL Hughes cam I once installed
(270/276/110;223/
[email protected]) in at 0 advance (180psi cylinder pressure, .034Q;
Ran nearly as good as the Hughes HE3038AL
(276/286/110;230/
[email protected]) in at 4* advanced, with same pressure and Q...