I didn't take it on plane as I did not to possibly risk serious damage.
I have since cleaned the throttle body and replaced gaskets and o rings along with o rings.
Also replaced the injectors.
Seems to run and idle smoother but still get the random clunking.
Could this be timing?
Hello, I purchased a Cobalt 233 with a mercrusier 5.7 L and it started with the boot and ran good and quiet.
When I got it in the water and put it under load it started to make a clunking noise.
I was told that it ran good last time it was in the water 2 yrs ago.
I have since changed out the...