You'll get lotsa diff opinions on this but perhaps not many first-hand answers..
For ManY years I ran a Super B with an S&S velosity stack with only a fruit strainer that I had to only slightly bend and coax to fit totally over the mouth of the stack and fastened it with strips of old bicycle tire inner tube cut into kinda like big rubber-bands.. Of course I had to fashion a custom carb support too..
This was back in the 80's when we still had fairly good gas,, well, I had to run (trying to remember exactly) 2 sizes larger intermediate jet?? maybe only 1 size???? and I think 2 sizes larger main jet,, and oh yeah,, I got into that main jet alot baby..
My point--- I got very good performance outa the stack and NOT the motor (upper-end) destruction that I was lead to believe would happen.. If there was some, ah well, I didn't notice it.. Many years..!!
The fruit strainer's holes (I still have it but too lazy to find it) are about perhaps a 32nd of an inch, i.e. small enough to keep birds, rocks and kittens out of the intake but you know, not good in high dusty areas.. At that time I lived in the Bay area, not too dusty compared to here in the east Phoenix Valley where the dust is often choaking.. I'll bet that 80 mesh filter is alot smaller than that fruit strainer..
This is my experience with velosity stacks, yours, if you get the Wimmer, may be much diff..
Often, first-hand knowledge requires that you must experiment..
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Rooster Cogburn | 
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