[W126 Coupe] rough idle

[Jonathan]

GS sells CIS Flowtech so you're fine.

If the plugs have an R in them they're wrong.  You can get NGK BP6ES and 
that will get you set there.  Run them @ .042


Jonathan
Tim Graney wrote:

> I bought the FD from German Star...? I did replace all the rubber 

> gaskets in the plenum. vacuum stays nice and steady but does hiccup 

> every once in a while. I have looked till the cows come home for any 

> vacuum leaks. where does one get the right spark plugs...these are 

> Bosch plugs. what gap should they be? Thanks again


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