Steve C. Has a 505 combo, I am sure he has some experience to help.
My knowledge gained here, and from others...a dual plane intake loses its advantage over a single plane, the larger the cubes are...a 505 needs the T2.
I wonder what others think the choke point is on your current combo?
I really don't think it is the cam......
The cam core availability situation would push me away from a cam change, at least until things improve. If...
Don't get too crazy the the HP..
Might be too much, when you're running your mudgrips!!!
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1977 Black Trans Am 180 HP Auto, essentially base model T/A.
I'm the original owner, purchased May 7, 1977.
Shut it off
Shut it off
Buddy, I just shut your Prius down... 
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