Hmmm.... it's starting to sound like the question about which oil is best.
Has anyone done a scientific study on this with data to support the conclusion?
JFP in PA, do you have any details you can share?
I haven't warmed up a car in decades since fuel injection has been common with no ill effects to any of my cars that I am aware of. May have something to with having always lived in moderate weather states. I don't know but would love to see evidence of which is better. If the facts show something different I'm happy to change my mind.
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03 Carrera
02 Boxster S Guards Red, black interior with matching hardtop
89 Carrera 4
89 944 S2
78 911SC
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