Ed Anderson wrote:

Hank,
    For what it is worth, there was an article in Contact! magazine a few
years ago where an individual  evaluated GM and Ford evaporator cores for
use as radiators.  He took apart the AC evaporator cores from a Ford and GM
vehicle.  His conclusion was that the Ford evaporator core was unsuitable
for use as a water radiator as the passages within the core were too small.
The GM evaporator on the other hand had larger (still small  around 1/8" dia
or so) and offered much less resistance to water flow than the Ford core.
His conclusion was stick to GM evaporator cores for radiators.

   So when I read you were using cores out of a Lincoln Town Car (Ford
product) I thought I would make you aware of what I had read.  I will try to
dig out the issue.

Ed
Ed Anderson
305 Reefton Rd
Matthews NC 28104-0569
eanderson@carolina.rr.com

I would be kind of easy to do a test. Mount a bucket of water
several feet above the core, plumb the bottom of the bucket to the core
and measure how fast the bucket empties through 
the core.

Paul Lamar
 
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