To those with 3.2s, Can I use the engine compartment fan switch |
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To those with 3.2s, Can I use the engine compartment fan switch |
worn |
Jun 28 2015, 07:51 PM
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can't remember Group: Members Posts: 3,156 Joined: 3-June 11 From: Madison, WI Member No.: 13,152 Region Association: Upper MidWest |
I finished making connections between '72 914 and '84? 911 3.2 using weather sealed Deutsch connectors from JEGs in place of the 14 pin plug for which I had no corresponding make plugs at either end.
One thing that puzzled me was a sender switch on the plate for venting the case on the engine. After a lot of poking around this would have stayed in the on position if the engine were hot,turning on the heater fan, forcing air through the shroud and the heat exchagers. It is labeled as engine compartment fan, but it also delivers the heat on those crisp days in the Alps. Once I figured that one out, I realized it could be used to instead operate the fans for my remote oil cooler mounted under trunk, ala the immortal build thread for Mike Wills. So, I know this did not show up in many model years, but has anyone done it, and more important, does it work. Apparently the switch drives a relay that turns the fan on when the oil warms up to drive the fan. I have a relay, and a fan, and by God I hope to warm the oil this year! Please help if you know what I am talking about, or even if you don't. |
Madswede |
Jun 29 2015, 12:12 PM
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Flat Out Driver Group: Members Posts: 853 Joined: 13-September 06 From: Rio Rancho NM Member No.: 6,831 Region Association: Rocky Mountains |
(IMG:style_emoticons/default/agree.gif)
I have a "non-stock" 3.2 in my car with a GT-style front oil cooler but no fan. So far, I've not seen temps above 215-220F based on logging with the laptop, but until I get actual gauge readings while driving it's hard to tell. I worry a bit about those hot days in New Mexico like yesterday when it was just below 100 outside. I agree with the mantra that it's much better to keep cool than try to cool down afterwards. I can't help you with your specific question, but I am thinking that automatic or manual fan control would be conducive to longevity. (IMG:style_emoticons/default/sunglasses.gif) |
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