To much cam??

I helped a guy put the 508 cam in a STOCK 318 in a 89 W150 years ago. It had 35s on it and 4.10 gears. The truck was stone STOCK. Well, it did have headers. We also did a valve job, but we did no performance upgrades other than matching springs for the cam. I installed it 6* advanced and I couldn't believe myself how much it had down low. He just HAD to have that big joker in there. It sounded good as hell too. lol