Jeremy, You never get that cold in Vancouver. We hit regularly –25 C - -30 C, at least for part of the winter. But I would not sleep at night if I used only 5 l of AF in the engine. Purists take a sample out of the exhaust and check it with refractometer. I did it once and I know that after a full bucket (5 gal/25 l), my engine is well winterised. As I said, that extra $5-$10 (for an extra jug or two) is a very cheap insurance.
Marek From: Jeremy Ralph via CnC-List Sent: Tuesday, December 13, 2016 14:21 To: cnc-list@cnc-list.com Cc: Jeremy Ralph Subject: Re: Stus-List freeze proofing We poured it into the sea strainer with the engine running and pumping it through the system. Poured about 5L in until it came out the exhaust (I think). I do have concern though if the thermostat was routing it into the block. I did warm up the engine first for ~20min under load with hopes that the thermostat would route the water to the block. Based on what Markek is suggesting, I may not have used enough AF... On Dec 13, 2016, at 10:50 AM, Joel Aronson <joel.aron...@gmail.com> wrote: Adding AF to the sea strainer is not going to winterize the block or muffler. As Marek suggested, you need several bottles. Stay warm! Joel
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