So today was really nice outside - I cleaned the garage and around noon, got the Busa on the lift and started to tear her down...
For those who may not know, I've been hunting down a coolant leak for 4 years now! I've taken the head out twice already, have had it checked and decked - cylinders, too! Well, it's still leaking!
I *know* it's leaking into #2 - I've seen the condensation in #2 throttle body. - also leakdown test confirms this.
OK - so back today, I get it all apart and find this in #2 - again, it was expected:
I start poking around some more and guess what I find on one of the intake valves??
Yup - you got it, that's Engine Ice ON TOP of one of the intake valves!!! Now, I'm no expert, but I can think of only ONE way that it got there....and that's a crack up there!
This seems to explain why my oil isn't getting contaminated - it burns off - and what is there just sits until I start her up again!
So, unless someone can find the crack and fix it - I think I'm gonna need anudda head!
Anyone got a known-good head??
For those who may not know, I've been hunting down a coolant leak for 4 years now! I've taken the head out twice already, have had it checked and decked - cylinders, too! Well, it's still leaking!
OK - so back today, I get it all apart and find this in #2 - again, it was expected:
I start poking around some more and guess what I find on one of the intake valves??
Yup - you got it, that's Engine Ice ON TOP of one of the intake valves!!! Now, I'm no expert, but I can think of only ONE way that it got there....and that's a crack up there!
This seems to explain why my oil isn't getting contaminated - it burns off - and what is there just sits until I start her up again!
So, unless someone can find the crack and fix it - I think I'm gonna need anudda head!
Anyone got a known-good head??