I want to do a compression test on my Gwagens 617na to find out if my loss of power is due to something internal to the engine and not the fuel system.

I am located in NW CT.

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1982 300GD Carmine Red (DB3535) Cabriolet Parting Out
1990 300SEL Smoke Silver (Parting out)
1991 350SDL Blackberry Metallic (481)

"The thing is Bob, its not that I'm lazy...its that I just don't care."