Sorry but not buying your reasoning. First, oil temp rises fairly rapidly upon just idling, high enough to burn of any condensation which I would imagine is a miniscule amount not worth worrying about anyway, imo. Second, cats need to reach temp before they become active. Below the activating temperature they just don't work very efficiently. Third, water is a product of combustion, so what you are seeing on a cold day, or first thing in the morning, is not condensation that has "built up" over night but rather H2O gas from the combustion condensing on a cold muffler/tailpipe. When the muffler/tailpipe heats up, it doesn't condense.

 

Quick ? - is 50 psi tire pressure really needed for 2 months of not driving? I currently have them to factory spec but wasn't sure about needing to put more in.

Thanks

 

i have seen air cooled race cars tape over their oil coolers on cold days because they are not getting enough temp on the track. they need to idle for a couple minutes to get any temp so. even a minuscule amount of condensation will add up over repeated cold starts. some cars that are not driven hard or only for short trips actually have water pour out for a fraction of a second before oil during an oil change. i agree cats need to get hot to become active, however the rich fuel mixture needed to start a cold engine gives the cat a lot of work to do. without airflow the cat gets real hot after start up to burn off the excess fuel. some owners manuals i have had say to start the car and drive off, do not allow to idle for prolonged periods. i know that h20 is a product of combustion. and it collects in the muffler. how certain are you that its all gone after a 5 minute idle? that's why you need to drive the car and everything rocket hot to burn it all off. i just don't think letting it idle or bliping the throttle accomplishes that.

 

Anytime you wanna go, just message me. I got my plugs, coilpacks, maf all sorted out so she's running much much stronger now..i might be able to stay a little closer this time..