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THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCH3 month storage of P-car
Reported or suspected cause
good idea
Suggestion or failed attempt
No successful repair reported for this finding.
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Identified cause
1
Suspected cause
0
Reported fixes
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Suspected cause
Depending on who else has access to the car, locking is probably a good idea.
Leading evidence: 'good idea' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, the most frequently mentioned possible cause is 'good idea' (1 discussions; 0 report identifying it and 1 suggest it). The most frequently discussed action is 'Check trunk, engine compartment' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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Suggestion
Give the car a good walk around inspection, checking the trunk, engine compartment for any obvious signs of something amiss.
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Suggestion
I filled the tank up with Shell V-Power 91 octane (the engine requires premium gas and I'm sure the family member was using if not Shell a premium gasoline) and afterwards the transformation of the engine was quite remarkable.
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Suggestion
Change oil and filter (get all that acidic oil off the aluminum parts), fill and treat gas tank with Stabil fuel stablizer, fully inflate tires to max pressure, run AC to distro oil in system one last time (not a bike task), wash/wax/cover and connect battery tender as well.
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.
Suggestion
I filled the tank up with Shell V-Power 91 octane (the engine requires premium gas and I'm sure the family member was using if not Shell a premium gasoline) and afterwards the transformation of the engine was quite remarkable.
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.
Suggestion
Change oil and filter (get all that acidic oil off the aluminum parts), fill and treat gas tank with Stabil fuel stablizer, fully inflate tires to max pressure, run AC to distro oil in system one last time (not a bike task), wash/wax/cover and connect battery tender as well.
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.
Suggestion
Change oil and filter (get all that acidic oil off the aluminum parts), fill and treat gas tank with Stabil fuel stablizer, fully inflate tires to max pressure, run AC to distro oil in system one last time (not a bike task), wash/wax/cover and connect battery tender as well.
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16 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
Rennlist: 1 discussions
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I'm going to do the same as my motorcycles... Change oil and filter (get all that acidic oil off the aluminum parts), fill and treat gas tank with Stabil fuel stablizer, fully inflate tires to max pressure, run AC to distro oil in system one last time (not a bike task), wash/wax/cover and connect battery tender as well.
Cheers
3 months really isn't that long. I'd just fill up the gas tank, pump up the tires a bit, put it on a battery tender and, if you're afraid of critters, block up the tailpipes.
-Eric
Long Term Storage on Jack Stands:
Pro- avoiding flat spots and spring wear?
Con- Exposes the full shock shafts to corrosion/pitting. Maybe spray some corrosion inhibitor on them if you agree with this.
If you live in an area with high humidity I'd cap the air intake before the throttle body and the tail pipes too soon after running. This will keep humid air and condensation out of your combustion chamber. I'm taking a break from working on a motor to type this BTW.
Your call, but I see more motor related damage from sitting than running. My roadrace motorcycle sat for 3 months without being started, then on a preseason tear down I found rust pitting rings on the cylinder bore from where moisture had condensed and collected. It warranted a rebore, oversized pistons, rings, gaskets. Some time and just under $1K. Not this cheap on a P car. Oh and I live in the driest state in the union.
After 5 days of non-use, the receiver for the remote stops working to conserve battery power. However, I believe the interior motion detector remains on, so that would draw a bit of current which you wouldn't have if you didn't lock. In any case, if you're using a battery tender, that should not be a problem. Depending on who else has access to the car, locking is probably a good idea.
With all the preparation you are planning you should be fine. Have a friend stop by on a sunny day and take the car out for a 30 minute drive once a month or so.
Have the oil/filter fresh. Old oil contaminated with unburned fuel and water will develop layers of highly corrosive compounds in the oil as the car sits.
Do not fill the gas tank completely full. Over that 3 months the gas will get stale so you want to have some free space to add some fresh gas. This 1/4th or 1/3rd tank of fresh gas will not bring the entire contents of the tank back to fresh but diminish the risk of stale gas causing any problems as you drive the car and burn the stale gas.
You might consider a fuel additive. Your Porsche dealer might be able to recommend one.
Also, in some areas gas is seasonal and if you put the car away with summer blend gasoline when you start the engine up 3 months later the gas is summer gas but the car could be in the grip of cold winter weather. Even if the gas were fresh the engine may not be too happy with it.
At some point though you want to get the gas level down so you can add say at least 2/3rds to 3/4ths tank of fresh/seasonal gas.
On a related note, I had a chance to drive a family member's car after it had sat for months of little use -- I would start the engine and let it idle until fully warmed up but I didn't drive the car (I do not like to drive other peoples's cars) with gas bought last November and the engine felt very flat. I attributed this as a characteristic of the engine (a V6 in an Infiniti EX35), sort of doubting the stale gas thing (even though I have come across reports of stale gas from other sources).
Anyhow, I drove the car enough to run the tank level down to the point the low fuel light came on. I filled the tank up with Shell V-Power 91 octane (the engine requires premium gas and I'm sure the family member was using if not Shell a premium gasoline) and afterwards the transformation of the engine was quite remarkable.
Fill up the tires to their max. cold inflation pressures.
Do not lift the car and support it on jack stands.
Do not set the hand brake.
Leave the manual in neutral.
Leave the Tip in Park.
Block the tires!
Do not lock the car if you do not have to.
You can jam steel wool into the exhaust pipes but the mice will probably never go near that area of the car.
They like the cabin just like you and me.
Not sure what you can do to prevent rodents from getting into the car but you need to find out and do it for almost certainly -- no matter where you live -- mice (at least) will visit the car and set up housekeeping with disastrous results.
Can't help you with battery storage. There are plenty of people though that know this so I defer to their recommendations.
After the months are up, be sure you undo the steel wool in the exhaust pipe and bring the tires pressures down to where they should be.
Give the car a good walk around inspection, checking the trunk, engine compartment for any obvious signs of something amiss.
Look under the car for any fluid leaks.
Upon engine start be sure all vital signs are ok and the engine idles and runs good. Be sure all warning lights come on then go off as you start the engine.
On the road try the brakes and such to be sure all safety critical systems are working.
As soon as you can exercise the tranmission, the A/C/heater controls, etc.
Sincerely,
Macster.
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