Title says it all.If your car is running fine do you start to replace parts just because they are old? Or do you start to stock some replacement parts in advance of failure? The entire car ages at the same time,FPR,relays,t-stats,CPS,etc.If it ain't broke what do YOU do? I'm not talking about changing fluids and brake pads but if you changed everything that is working fine right now it seems a bit extreme.Until you are on the side of the road,I guess.So do the new parts go in and the old parts become the back-up?Just wondering.
Nelson
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