408 hyd roller, too much spring pressure?

Aussie Charger said
That 2.3 litre cam that spun to 9200rpm (stock cam???) with beehives was a .575" Schneider – a pretty hot cam for that engine.

Please read this again properly before you comment: Ford Lima 2300 cam help please - Don Terrill’s Speed-Talk

And I addressed this in an earlier post. And I explained it. Maybe you should read what I wrote properly. Or better yet, get over it. I have explained myself repeatedly here and you don’t like it. So move along.