Why not a turbo engine?

Seafoam is naptha.
A very harsh solvent which breaks a lot of stuff loose.
All the junk has to go by your turbo impeller as it exits the engine.
Possible to do damage to the turbine blade.

I would only use naptha in an engine that is junk...

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1971 280SL ROADSTER
1988 300CE TWIN TURBO WIDEBODY
1994 E320 CABRIOLET
1999 C43 AMG
2005 G55K AMG
2008 CLK63 AMG BLACK SERIES