We all know how good optimax is by now, but has anyone noticed anyside effects? My car seems to run considerably hotter since using it, and with the summer being as hot as it is, I am feeling a more than a little concerned now. I have checked my fan, and it is working fine, and the levels seems good in the radiator. I just seems to have some high readings on the temp gauge.
Anyone heard about this effect or is it just a coincidence?
