I'm sure this has been asked in the past, and I am sorry if it a repeat, but
with all the new entrants and experiences I thought I would ask again.

I just put a newer 2.1L 91 Wasserboxer motor in my 84 Westy, and put in
Sierra Coolant.

New larger coolant pipes, new radiator too!

In the past I had always used Pentosin in my 1.9L 84 Wasserboxer.

So the big questions is. which is better and why do you think so?

Is there anything newer out there I should consider?

I have been told that the choice of antifreeze can play a critical role in
the head pitting.

Any thoughts?

Thanks for your input.

Jack

84 Wolfy, N. of Detroit