Turbo 616 powered Astro Van build
Turbo 616 powered Astro Van build
wow check this out-
just about ready to fill the cooling system on the 617 and popped the overflow tank cap.
Looks like the 616 must have developed some kind of secret head gasket problem. No running issues, ran really well and at about 165 degrees average no matter the load. Started in really cold temp no problem also.
Also weird as no brown gunk in the radiator cap either and the coolant looked good. I know this is new because this tank was clean when I first did the conversion.
It has to be motor oil, there is nothing else it can really be. Kinda messes up my plans for that motor, but its on a stand, so replacing the head gasket can come with replacing all the leaking seals and timing chain as well I guess.