EZ Heating System
 Installation Cost          Operation        Installation    Fan Speed Control

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Installation Costs:

The cost to upgrade your heat system is minimal.  

• You’ll need a small capacity oil cooler (mine was left over from my engine upgrade),
• West Marine bilge blower ($60),
• A rotary switch,
• Some relays, connectors, wire, fuses.
• Nichrome wire if you want to make your own resistor network for fan speed control. 
• Finally some fitting and hose for the oil
• Perma-cool external vernither website   Install Instructions (.pdf)

Most of the items I already had sitting around the shop.  The Perma-cool remote oil thermostat to regulate the amount of cooling provided by the external cooler so the interior heater remains at a constant 185F.  It is critical for cold weather operation as you excessively cool the engine oil with both units in operation.