That is definately a lean situation, something is leaking air, check your carburetor base plate to body screws, see if you can wiggle it sometimes...
If you put the seal in with the open end of the lip facing outwards (backwards) and it didnt get any worse, they must have cut the crank down, and...
The pcv valve will suck that much oil without baffles, you have to have a baffle or it will not stop.
265-400ci. sbc intakes will all interchange with the exception of the vortec.
I have a 3 row in my suburban with a 325hp 350 and it runs at 180 degress, 190 idling around town in 90 degree heat. I even only have a flex fan...
I have some factory mid 80's white spokes off a blazer that are 15x8" with some cooper cobra 255/70/15 tires on them and they work nice. These...
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