Something to be careful of ... and that's that undiluted antifreeze will
freeze.  I don't know what kind of magic occurs when it's mixed with
water but that's the way it works.

Mike
Houlton, Maine

Jeff Gellman wrote:
> my heating system decided to not blow out hot air on the day it is
> into the single digits...the only thing i can think of that i did is
> last week i filled up my antifreeze and after about 1 quart realized
> that i did not dilute it with 50/50 water to antifreeze, so is it
> possible that too much concentrated coolant is doing this...my engine
> heat gauge stays way below cold and does not even creep up after
> driving for an hour
>
> Jeff
>