Rennteam 2.0 - EN - Forum - Re: First time Porsche Owner - Page1

May 13, 2007 2:10:58 AM

sasco: Newbie; Loc: Houston, TX; Posts: 2, Gallery; Registered on: May 12, 2007

First time Porsche Owner

Ok so I'm still waiting on my 2007 Turbo (it's been waiting to ship from Germany since April 16). Meteor Gray with Natural Gray interior. Can't wait til it's here and in the meantime I was wondering about a few things after reading a bunch of threads here:

*Turbo Lag - Any way to mod the car in the aftermarket to get rid of or reduce this?

*What's the best interval to change the oil?

*The car should arrive in the first week of June and I'm planning a road trip in mid June. Bad idea to do this during the break-in stages?

Thanks in advance for your opinions!

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May 13, 2007 6:03:06 AM

Whoopsy: Rennteam Moderator; Loc: Vancouver,BC , Canada; Posts: 16151, Gallery; Registered on: Sep 19, 2006; Reply to: sasco

Re: First time Porsche Owner

Welcome to this baord sasco. Hope you are gonna get your car soon.

Turbo Lag - According to this board alone, you can have your choice of replacing the stock exhaust, re-program the computer, different driving style, etc. Depending on the driving style the turbo lag may or may not be bothering, and in stock form it really doesn't bother me.

Oil Change interval - Again, many different ways of thinking, some will tell you do it according to Porsche's handbook, or do one at 500, 1000, 5000 miles or various interval in between. There is really no 'right' way to do it, it's all about peace of mind. I did a 500 mile one and that's it.

Road trip - it's not gonna hurt your car even if you do your road trip so early. Just remember to vary the rpm and do not stay in a constant rpm for a extended period of time. Some will tell you to baby it for the 1st 1500 miles, while other will tell you to just open it up and let it ripe. Different theories on break-in. I did a 400+ mile round trip the 2nd day I got my car but I did vary the rpm a lot during the trip. Personally I keep the engine under 5500 rpm for the first 1000 miles, but I didn't not baby the throttle, I subscribe to the break it in hard theory.

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May 13, 2007 6:05:31 AM

atomic80: Rennteam Pro; Loc: Bellevue, WA USA , United States; Posts: 2596, Gallery; Registered on: Feb 9, 2006; Reply to: Whoopsy

Re: First time Porsche Owner

I took my Turbo on a 4 day road trip from Seattle to San Jose for a friend's birthday the day after I took delivery. I put 2225 miles on her making sure to break her in properly. It was all worth it when I finally crossed the 2000 mile threshold and was able to let loose. Definitely worthwhile!

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May 13, 2007 5:13:55 PM

MMD: Rennteam VIP; Loc: usa; Posts: 9652, Gallery; Registered on: Dec 16, 2004; Reply to: atomic80

Re: First time Porsche Owner

Here's one of those things which nobody has disproven nor argued strongly against. The crankcase casting gets "seasoned" (broken in) by repeated stone-cold-to-hot-to-stone-cold cycles. The casting flexes and shifts until it's done flexing and shifting. It would be smart to have the internal parts do all their seating and wearing in while the case is still adjusting itself to it's final shape. You could put 2000 miles on the internal parts during one (varied-speed) cross country trip but the crankcase would have only two or three cold-hot-cold cycles.

Something I heard, I'm kinda "superstitious" I guess; it's certainly not something I would strictly endorse (I'm just an amateur), but when I get a new car I avoid just a few looooooong trips and allow for as many non-short-trip c-h-c cycles as I can at the beginning.

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May 14, 2007 1:23:45 AM

devo: Veteran; Loc: NY , United States; Posts: 1107, Gallery; Registered on: Jan 31, 2006; Reply to: MMD

Re: First time Porsche Owner

The heat cycle issue seems not to apply so much to late model engines. In a perfect world you'd break in the engine in one 2000 mile trip; like some of the aforementioned have posted. The reason being is that cold starts are any engines WORST nightmare; especially a new one which has not yet been broken in. So, do like you stated and go on that long trip, vary the throttle and pick an easy or hard theory. (Personally, I subscribe to the easy -occasional moderately hard one), but whatever you do keep the restart/cold starts to a minimum. (The Porsche manual confirms this) Change the oil when you can; 500, 2000, whatever, just do it well before Porsche's recommendation. Bossine should chime in soon about the fairy coming out of the tailpipe at 2k. He may be right, but the 2k break in is just a reference. P.S. A new engine with less restarts will have less of a likelyhood of RMS issues.

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May 15, 2007 2:59:28 PM

roadtrip: Veteran; Loc: new mexico, usa; Posts: 1172, Gallery; Registered on: May 31, 2006; Reply to: devo

Re: First time Porsche Owner

like others i broke mine in by the book...prior to anything i had a 3m clear bra installed which was a must given my break-in plan...i took a total of seven great trips of varying length all of which involved blu roads in rural, minimal traffic areas with great scenery....none of my early driving involved errand type trips where the car dosent get to operating temperature or is slogging around in traffic which for me in this car is a definite buzzkill...when i completed my last trip i got the oil and filter changed

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May 15, 2007 3:00:32 PM

roadtrip: Veteran; Loc: new mexico, usa; Posts: 1172, Gallery; Registered on: May 31, 2006; Reply to: roadtrip

Re: First time Porsche Owner

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May 15, 2007 3:01:32 PM

roadtrip: Veteran; Loc: new mexico, usa; Posts: 1172, Gallery; Registered on: May 31, 2006; Reply to: roadtrip

Re: First time Porsche Owner

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May 15, 2007 3:23:59 PM

Singularity: Veteran; Loc: Germany , Germany; Posts: 1013, Gallery; Registered on: Dec 19, 2005; Reply to: sasco

Re: First time Porsche Owner

Quote:
sasco said:
Ok so I'm still waiting on my 2007 Turbo (it's been waiting to ship from Germany since April 16). Meteor Gray with Natural Gray interior. Can't wait til it's here and in the meantime I was wondering about a few things after reading a bunch of threads here:

*Turbo Lag - Any way to mod the car in the aftermarket to get rid of or reduce this?

*What's the best interval to change the oil?

*The car should arrive in the first week of June and I'm planning a road trip in mid June. Bad idea to do this during the break-in stages?

Thanks in advance for your opinions!

Hello sasco,

which turbo lag are you concerned of?

I changed my old 996 TT C last week and now i'm fine with my all new 997 TT (Tiptronic, basalt-black-metallic, black leather, PCCB, ++).

With the old 996 TT there really was a turbo lag (below 3500 U/min) but with the new 997 TT VTG (variable turbine geometry) there is no such thing ... as far as my oppinion is concerned ... but i'm still learning and trying to get my first 1000 km done.

And for sure, there is no kick-down till now and end-velocity is and will be below 220 km/h for the next 1000 km.

Congrats to your great decision - meteor grey is great

Greets &

Sin

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May 15, 2007 3:57:12 PM

Singularity: Veteran; Loc: Germany , Germany; Posts: 1013, Gallery; Registered on: Dec 19, 2005; Reply to: sasco

Re: First time Porsche Owner

Variable Turbine Geometry (VTG) Turbocharging Technology
The 997 Turbo is the first gasoline engine operated car in the world equipped with this technology.
The core elements of this technology are adjustable guide blades inside the turbo chargers.
Due to the resulting very high exhaust gas temperatures, this technology has proved to be very problematic in gasoline engines.

Advantages: a turbocharger with variable turbine geometry combines the respective advantages of a small and a large turbocharger.
Small turbo chargers have a good response, resulting in a small turbo-lag but they cause a lot of exhaust backpressure, resulting in less maximum engine power.
Large turbochargers have a poor response, resulting in a large turbo-lag but they provide a higher maximum engine power.

The variable turbine technology somehow "simulates" small turbochargers with closed guide blades and large turbochargers with open guide blades.
Combining the both, variable turbine geometry allows both a very good response with high torque values at low speeds as well as high power values at high speeds. High torque is thus available over a much broader rev range.

Since the adjustment of the guide blades is electronically controlled (software mapping), it allows engineers to find an almost perfect combination of desired setups.

The boost pressure in the new 997 Turbo is controlled without a waste-gate but via adjustment of the guide blades. The advantages are the fast response time, the control quality for the desired boost pressure setup and of course improved diagnostics and fault detection.

(see official Porsche 997 TT FAQ by RC in this forum)

Greets &

Sin

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May 15, 2007 8:33:15 PM

gradyex: Pilot; Loc: S.F. Bay Area, CA.; Posts: 334, Gallery; Registered on: Nov 21, 2004; Reply to: Singularity

Re: First time Porsche Owner

Not a bad idea at all to do a road trip, just vary the rpms and gradually take it to redline. At 250 miles I let her loose and the car felt much better after taking it to redline several times. I'll do an oil change at 1000 miles (about 400 miles from now). The car is a different beast when you don't have restrictions on rpm and for what its worth these engines are pre-broken in at the factory. The reccomendation for the 2000 mile breakin in the US has more to do with the entire car and drivetrain setteling in and getting familiar with your car. Minimizing initial oil consumption could be another reason for the recomendation although I find it to be the opposite. This has been discussed ad nauseum so just to a search. I have about 650 miles on it now and my oil level has just dropped one bar from the top since delivery. I also noticed less carbon on the tips compared to my 997S. FYI, I did the proper 2000 mile breakin on my 997S and it consumed about 1 quart per 1000 miles. I am not saying this is a direct result of my different approaches to breakin with the 2 cars. This could all just be a coincidence? I just am reporting my experiences and wouldn't be too concerned passing 4500 rpm early on. So far I am pleased with the upgrade.

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May 16, 2007 7:38:44 PM

sasco: Newbie; Loc: Houston, TX; Posts: 2, Gallery; Registered on: May 12, 2007; Reply to: gradyex

Re: First time Porsche Owner

Hey everyone, thanks for all the comments. They've been very helpful.

Just got a call today that she's finally on the boat now. Only 3 more weeks :P

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