I've used Syntec 5 50 for many many years.
Thin cold but retains it's viscosity hot!
in later years just added a zinc additive.

hears another that is good. Break in
http://www.hughesengines.com/Index/products.php?partid=26202

to run in your syntec
http://www.hughesengines.com/Index/produ...mp;partid=23942

Last edited by Dodgem; 05/05/11 01:14 PM.