As some of you know I was experiencing problems with cold and hot starts. And the motor sounding as if it was running on one rotor for the first couple of sec about 10-30secs after startup. So I thought it was the seals. But I had very little coolant loss (about 1/4 cup every 2-4weeks) and very little white smoke on startup (about no more than 10sec worth).
So I was going to try the O-ring fix with CRC block weld. I flushed the coolant, and there is no oil. Coolant was a nice green color. It looked like brand new. I then added pure distilled water. The next day the car starts up really good not running on one rotor. Starts up when hot and cold now. And especially, there is no more water rushing sound from the heater core. This from multiple times trying to get rid of this noise with the coolant mix. (I even used the coolant funnel mentioned on the forum)
How could the car go from starting horrible to decent just from adding distilled water with no coolant. Should I even consider doing the CRC fix. Also, freezing is not a problem here.

 

Ethylene-glycol coolant is known to be much more likely to find leak points than plain water, so maybe that's the reason.

You still have to add something to the water to keep everything inside the cooling system from corroding. Valvoline offers a "Super-Coolant", VV858, I think, available at NAPA stores.

 

could I use Redline water-wetter, if so how many bottles.

 

This is just my personal opinion, but I have not had good luck with water-wetter IN MY RACE CAR. On the other hand, The V-V858 with distilled water works great (absolutely no corrosion) in my racecar. I use a 50-50 AF-distilled water mix in the FD.