Don't Fix It If It Ain't Broke?
Aside from the ISM/RMS, what things on these cars do you proactively replace during maintenance intervals, rather than waiting for them to fail?
Crank Position Sensor?
Chain Ramps/Tensioners?
Other?
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1998 Porsche Boxster - Ocean Jade Metallic
1985 Porsche Carrera Targa - Guards Red
1978 Porsche 911SC Euro Non-Sunroof - Grand Prix White
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