Well, tried the 577s today, and have to say I am unhappy with the low end performance. Its not bad, it doesnt do anything wrong, and it does pull harder up top, but I was spoiled before with all the grunt. They would probably work ok if I switch from the stock head gaskets to the .030s, but I'm sick of working on this thing. I think I'll put the cranes back in, and switch to a larger throttle body next, and see what happens...

 

well, now we know.

I think Ill just stick with my current cams and just add some displacment instead.
thanks for the heads up.

 

We have street engines cranking at 225 ccp.
It's all how you set 'em up.