The 7 gets much love from 2nd owner - coolant flush (rainbow pic)
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scotty305 (04-02-19)
#2
RX-7 Bad Ass
iTrader: (55)
WOW. That was SERIOUSLY overdue!
I recommend everyone change coolant out once a year. Doesn't take much time or cost much but makes a HUGE difference.
Dale
I recommend everyone change coolant out once a year. Doesn't take much time or cost much but makes a HUGE difference.
Dale
#4
Racecar - Formula 2000
I've been changing ~50% of mine every year - I drain the radiator and refill with 50/50 green AF and distilled water. That way the anti-corrosion additives get replenished every year. I've been doing that for ~20 years now on both the FD and my '74 Chevy Van that is my F2000 racecar's tow vehicle. Doing it this way is very quick, easy, and seems to be effective. The coolant always looks new when I drain it.
Last edited by DaveW; 03-31-19 at 07:05 PM.
#7
Lol
Unless he used prune juice for coolant
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#8
43 yrs of driving My 7's
iTrader: (1)
I just flushed my system with Thermocure, which is a chelating agent that binds iron(rust) into solution, and it turns black just like this. It did make a difference in cooling efficiency. Likely cleaned some of the old corrosion and rust, particularly for the side iron cooling channels on my 15 year old keg.
Mike
Mike
#9
needs more track time
iTrader: (16)
Looks a lot like mine but you got a better pic
Took me 14 gallons
https://www.rx7club.com/3rd-generati...lushes-977577/
Took me 14 gallons
https://www.rx7club.com/3rd-generati...lushes-977577/
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