Not Ranked
Gene,
I'm using a Griffin radiator and a Summit brand 16" puller (P/N SUM-G4904). The only difference between this and a Be Cool is the outer box (BCI-75042). My friend has the Be-Cool.
I have no shrouding other than that on the fan.
The hottest I get, just off the highway at a stop light is 205 F. ANY other time I'm at 185-190.
I used the metal one as you've shown - as a pusher, without proper shrouding. I ran much hotter. The blade also flew off once!
I've seen the dual fans used also. They work fine. The SPF cars use a similar arrangement.
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