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2005 GT break in time...


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Friends w/ STI said to wait until 2500 miles to go over 4,000 rpms, dealer said 1500. Is there any reason to wait until 2500? Also, best synthetic to get? Everyone says to go synthetic, but this is my first turbo and car worth caring...
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1,000 plus miles = breakin. Common logic is total breakin would be a liitle longer. Id be moderate a little longer to be safer. As for syn oil. I use Mobil 1 and 5k change intervals. There are more expensive /harder to get oils that may be even better. Not worth the added bother to me unless you intend to go for lasting forever (300,000+) or operate under extreme conditions.
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Well, if you could control your adrenaline, then by all means, keep that right foot light! The more time you spend breaking in, the better your car will serve you. I've been breaking in my cars for 3,000 miles before I go higher RPM (or step harder on the gas pedal), and the engine has been nice to me in return. (smoother, less noisy, more powerful) Have you noticed that the most rental car engines make a lot of noise?:eek:

One magazine said that they specifically took time to break in one (a G35 I think) of their test cars, and it turned out to have the fastest test time! But there are others who think that 1,000 miles is good enough. It's your car, so it's your call!

I wouldn't put synthetic oil until 7,500 miles. Castrol Syntec felt better than the Mobil 1, when I still had my Celica (small 2.0 liter engine). Mercedes recommends Mobile 1, BMW OEM Castrol Syntec... so you can't go wrong either way. But I'd think twice about using synthetic, for the extra cost, considering how advanced they've made the conventional oil now...

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Here's the exact opposite advice for ya, that should make things nice and easy...

 

I did about halfway between this and the manual's suggestion, in that I figure that avoiding hard acceleration is more important than staying below 4k rpm.

 

http://www.mototuneusa.com/break_in_secrets.htm

 

Andy

 

+1 something inbetween the two extremes is really the best. Waiting 1500 or 2500 miles is just silly - no need to be that cautious.

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Drive it like you will want it to perform. If you are going to baby it and never push it then obey the 1000 mile rule. If you are going to drive it free-spiritedly then do so now. No need to be extra cautious. Just use common sense.
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Break-in or no break-in? Democrat or Republican? Predestination or free-will? Ice cream or frozen yogurt? All have something in common. They can never be decided. Everyone will have a different opinion and will make their own decisions.;)

 

Personally, I run my cars hard right off the dealer parking lot. I prolly do this for the same reason I don't buy the extended warranty. I won't be keeping the car for 10 years/100,000 miles and I will be adding mods that void it anyway. So, I say stop babying your LGT and give her the full throttle, high RPM, kickass fun she is dying to give you from day one.:D

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Driving hard puts more stress on all the vehicles components, engine, tranny, brakes, and suspension. So their long term life will be reduced and if you try to maintain the car for 10yrs/100,000miles, you will hit a point where it is cheaper to dump the car/get a new car than to replace the parts.
I keed I keeed
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