Compression Ignition Addict
Join Date: Oct 2013
Location: Torrance, California
Thanked 87 Times in 84 Posts
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When I installed my coolant filter I drilled and tapped an 1/8" FPT hole above the black-hose nipple and the filter returns to the bottle. So my system has more circulation through the degas bottle than a stock set-up does.
I drive mine about a week before I test. There's no real hurry, I wait until its been driven several warm up cycles so I know it's well-mixed. I bought a bottle of 25 test strips a few years ago. I keep them behind the seat with a pair of medical forceps taped to the bottle to use to suspend the strip in the degass bottle. I check the coolant every oil change which is about once a year. I haven't had to mess with the SCA or coolant for about 5 years now. the strips have an expiration date, but they still seem to function for me even though mine are about 2 years out of date.
Where did the "don't use green" come from? That's what was in the 7.3's when new. If that's all that has ever been in it, why would not flushing or continuing to use green be a problem? The test strips tell you freeze protection level too, which is a function of the water to coolant ratio.
Last edited by DaveP.; 08-04-2019 at 09:06 AM.