Cm870 running on back 3 cylinders

[Rawze]

(06-26-2023 )Andre_The_Giant Wrote:  What did u guys do with the carbon? Pick/ scrap &vac it out? Or take head off

in the case for the carbon packed intake,
we ended up inframing it + putting a new head on it because once we cleaned out all the carbon and soot buildup, we found that intake valves were also not sealing any more and the engine was loosing compression real bad.