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Old 01-28-2014, 08:56 PM   #1
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IMS 'preventative driving' ????

So I've read multiple threads about those to track their Box/Cayman regularly and never have IMS issues plus those who generally drive their cars hard and have also never had IMS issue.

I've also spoken to a couple Independants that are like...'Rev Her Up!!! Take her on the freeway once a week and hold her at 6K for 10 minutes'.............

I've started driving both my Box and Cayman with higher revs in general. Like cruising around town at 3-4K. Shifting around the 4.5K area and then random trips up to 6K.

All that will GENTLE acceleration. No crazyness....just waiting on the up shifts.

Any thoughts? Good? Bad??

I have to say....with my Cayman...she 'feels' much more aggressive after about two weeks of this. She really seems to want to 'go' now. Can't feel a change in the Box.

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Old 01-28-2014, 09:02 PM   #2
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As I understand it, no need for gentle acceleration. Hit the gas, stay above 3k when possible and when cruising.
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Old 01-29-2014, 03:48 AM   #3
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I don't know about the IMS and driving style but I suspect trying not to jerk all those chains around inside is in the back of my mind. Trying for smooth transition shifts, no pedal stomping acceleration and lifting. Definitely up to temp. oil, mid 4's shifts and runs to mid 6's make my boxster run so much better. It is just killing me to have it sit in the garage. On the other hand it's nice not to see it covered in Salt and slush
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Old 01-29-2014, 05:23 AM   #4
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Good question. I have read about somebody tracking their car and still getting an Ims failure. However I do believe keeping the revs up is good and the above poster suggesting smooth shifting so you don't rattle the chains as much is good too.

In winter I find with more slippery roads it is risky to go too fast but keeping the revs up in the lower gears I think is good. Avoid lugging the motor as in 2k rpm in 4th gear is an example.

Of course if you are worried about the ims grenading then replace it or as I have done get the IMS Guardian. Of course regular and frequent driving I think is good for the car overall. Driving year round including the snowy/winter season I am sure is not good for car's body but is good for my mind. Happy motoring!
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Old 01-29-2014, 05:34 AM   #5
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What would y'all suggest In a tip? I leave my car in automatic about 40% of the time and it rarely gets above 3500 while usually staying at 2300 to 2700. When I do use manual I drive the car as the rest of you above 3000 with stints to near redline. Is my car eating away at its life expectancy when in automatic? I haven't heard of many tip ims issues but this could be because most people that would go on the forum would refuse a tip (only got mine because of a price 2k under what we felt my specific box was worth)
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Old 01-29-2014, 08:02 AM   #6
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For the larger displacement engines (3.6-3.8L) Tips it was determined that full throttle at low RMPs is a bad idea....refer to the photos of the piston skirt wear. Not sure if/how that applies to our lower torque, lower displacement motors. Tip or manual, I never put the engine under full load at low (e.g. under 3k) RPMs.
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Old 01-29-2014, 08:12 AM   #7
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in my experience it takes these cars a good while before the temps are up to the "safe to drive hard" zone.
The Japanese in WWII had a sub that carried two or three Mitsubishi fighter planes. While under water they devised an oil warming system so that when the sub surfaced the planes' engines could be started immediately and take off. I often think of those planes when I see how long it takes for the temps to come up on the Boxster.

Also, the IMS is not really the main issue at stake when you're discussing how you should drive the car and what's best for the engine.
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Old 01-29-2014, 08:27 AM   #8
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With all these treads on good RPM ranges, I was always curious what the Auto was doing. From the single response here, the auto appears to run the flat 6 at a much lower RPM range then most suggest.
Since the Auto's shift points can be programmed by the Porsche Engineers, can one infer that lower RPMs for general driving are expected?????

I would like to see more Auto owner's observations.

Does the PDK behave the same with respect to automatic shift point RPM ranges???

I have always been of the opinion that being in to low of a gear, low RPMs, puts a lot of stress on the clutch and the motor - Auto or Manual

Like riding a bike up a hill:
Higher gear, sit and spin - slower up but less stressful
Lower gear, stand and thump those pedals (better be fit for this) - faster up but a lot more stressful
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Old 01-29-2014, 10:24 AM   #9
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i have had the auto drop beneath 2200 before without downshifting... this area has many 55 mph back roads, so i travel around 65 (likely less considering our speedos seem to always read high) but this puts my car in 5th gear and as i aproach a turn and slow to a lower speed it takes a very low speed for the car to shift down into 4th . I have to commemorate our cars for having such great low end tourque though because the car can always pull away easy even when in low rpm. Also the auto never uses 1rst gear which i found odd at first, but 1rst gear is so short that it makes sense.
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Old 01-29-2014, 10:42 AM   #10
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Quote:
Originally Posted by Perfectlap View Post
in my experience it takes these cars a good while before the temps are up to the "safe to drive hard" zone.
The Japanese in WWII had a sub that carried two or three Mitsubishi fighter planes. While under water they devised an oil warming system so that when the sub surfaced the planes' engines could be started immediately and take off. I often think of those planes when I see how long it takes for the temps to come up on the Boxster.
When watching a NASCAR race, note that when cars first appear on pit road prior to the start, there's a big box on wheels next to each one. That's a motor oil heater.

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