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Hi
Monty;
I'm using the Ford cores and I did just what you are
thinking. I drilled through the baffles with a 7/8" bit. Common wisdom seems to
say that the GM cores flow better than the Fords, but I believe that is because
someone cut one open at sometime and said "that can't flow enough",
and concluded that further testing was not needed. (sorta like
someone's official test of the EWP). I did some actual flow tests of the 2
different types using an EWP and a mag tube flowmeter and found slightly better
flow with the Ford cores. (the full report can be found in the
archives).
I believe I blew out the metal shavings using compressed
air and it took a little effort.
Todd
A gold mine of info. Actually after re-reading
and looking at Ed's pics of his evap cores with the tanks cut off, I have
decided the Ford units are perfect. They just need the baffles drilled out.
Instead of having 5 holes, they have a slot all the way across with turbulator
fins between the plates. I will post a pic tomorrow, to tired tonight.
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