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Old 07-17-2012, 12:25 PM   #26
Marin
Scraping Paint
 
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Join Date: Oct 2007
Posts: 13,745
Quote:
Originally Posted by FF View Post

However the recovery tank is a required part of the system.

Not with the FL120--- they did not have them as fitted stock. Don't confuse an automotive-style recovery tank--- the usually plastic remote bottle or tank that takes the overflow from the engine's cooling system when the engine heats up and then allows it to be pulled back into the engine as the engine cools down---- with the metal header or expansion tank on the front of every FL120. The header tank is a required component as it serves as the reservoir for the coolant, same as the upper chamber of a vehicle's radiator.

A recovery tank is an aftermarket add-on for the FL120 and requires some modification of the engine's header tank to use. It is not a requirement for the engine and offers no benefits to the actual cooling process. All it does is eliminate the need to top off the coolant periodically since the way the header tank deals with coolant expansion is to simply blow the excess out the overflow pipe into the drip pan or bilge.
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