Quote: I think you're on to something here, I never thought of it and it makes perfect sense in this scenario. The problem does seem to be inherited. Thank you Kernal.
Holy crap : Exhaust Flow Resonance
I've been troubleshooting this Pig Iron for 40 yrs and have never once considered this as a possible problem, maybe in a gas turbine that incounters supersonic inlet flow rates. Never in a slant 6 though I guess I missed out.:crybaby: Guess I better get out the hammer and start checking for critical frequencies. :cheers: Scotty to Engineering
