Coolant Capacity?

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Old Apr 1, 2013 | 09:11 AM
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Coolant Capacity?

Wondering how much coolant a dry 20b needs? My heater core is bone dry, big 3" thick rad is bone dry, and the engine of course. Reason I'm wondering is I want to buy Evans NPG+C and not sure how much I need. I'm thinking 3-4 jugs.

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Old Apr 1, 2013 | 10:32 AM
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From: https://www2.mazda.com/en/100th/
well the FSM says the 13B cosmo has 9 liters of coolant, and the 20B-REW is 12L
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Old Apr 2, 2013 | 01:48 AM
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4 Jugs it is then to be on the safe side and have some spare ^_^. Thanks.

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Old Apr 5, 2013 | 10:51 PM
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Well I filled the 20b engine with coolant just cause I had nothing better to do. I have the Xtreme Rotaries electric water pump adapter so it was easy to do without the coolant hoses connected etc. It took about 6-7 liters, just the block. Once everything is properly connected, still gotta fill the 3" rad, heater core, and hoses of course. Wonder how much more it will take.

On a side note the oil pan took a whole 6 liters too

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