And then to make sure it has the correct mix, you can just buy one of
those $5.00 antifreeze testers. They suck up some and give you it's
strength with a float reading.

Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's

Al Bundy wrote:
>
> I like your thinking here as a labor saving idea. Remember, if you
> continue this program you will always have at least a tiny bit of the
> original fluid in there. I don't consider that critical though.
> Assuming the 1.5 liter tank is included in the 6 liter capacity then
> you are draining 25% and keeping 75%.
> First change = 75% left of original.
> Second change = .75X.75 or 56.25% of original.
> Third change = .75X .5625 or 42.19% of original.
> So at the end of the year you have less than half the original fluid
> left.
> In the case you describe I think it makes sense. Eventually you have
> almost none of the original.