Quote:
Originally Posted by zloca944
I have a 140(1,4bar) cap,put a 120(1,2bar) and still no change,but I am O.K. until i start to loose coolant  . |
Yup exactly what I did. The important bit is how much pressure do you have in the system the next morning. With 140 cap my upper rad hose was still solid in the morning, with 120 cap its not. Theres no hiss when I open the cap. I know combustion gases are leaking into the cooling system with the #14 head but it seems manageable. It doesn't consume any coolant. I've put 20k miles on it like this so far. I keep telling myself this summer I'll swap in the #17 head that's been sitting in my garage since 2012. This summer I'll do it... for sure... scouts honor
Theres a lot you can do to mitigate any cooling issues like run a colder thermostat (71c in my case), electric cooling fans triggered early (87c), smaller water pump pulley off an M103 (spins the water pump 15% faster) and run 2/3 water.