Originally Posted by Montclaire
The roller cam in the 360/300 magnum crate motors was the same one used in the LA 360 TBI motors. However, the magnum rocker ratio amplified the lift. I thought the 360/380 engines used a different grind, although it's been a long time since I looked into these. I know at the time I had searched the pn for the 360/380 cam and came up empty.
I posted the exact numbers from MP above. It's not aligned very well, but you can see the specs on each. Just the cam is different and single plane versus dual plane M1 intake.

Here's the link. Scroll down to bottom just above the ads: https://www.hotrod.com/articles/hrdp-9809-magnum-and-non-magnum-parts-exchange/

Last edited by larrymopar360; 04/10/21 06:46 PM.
Facts are stubborn things.