Now as the the 996TT's are starting to get pretty old(6+ years old), what is the longevity of the stock turbos? Have there been many stock or mildly modded turbo failures? I know when I had my Audi the turbos would typically last 50-60k miles before they gave out. Is this a problem with the 996TT's? I'll be looking into getting a used 996TT with stock turbos and am wondering if I'm gonna run into this problem and have to pull the engine to replace the turbos. Thanks for the info.

 

A 996TT is not a B5 S4. The turbos in the P-car are heartier and better located for accessibility.
1. I haven't heard of a pair of stock K16s grenading and
2. If they do, it's 5-8 hrs of work to swap them (no engine removal required). If your handy with a wrench, you can do them yourself in a day.

 

My buddies car had 70k+ miles on it with about 40k of those miles chipped. Not so much as an oil leak. B5 s4's these cars are not.

 

I owned a B5 S4.. it's NOT a Porsche. There is a post-your-high-mileage thread here and 1 user has 212K miles. He said all he had to replace was a clutch. No major issues.

 

A lot of the turbo's longevity can be attributed to a proper cool down. If you've been out experiencing mach tuck then come back home only to shut her down you're killing your turbos. When I get back from zooming around I always let my car idle for one minute.

 

I haven't heard of any Turbos going on these cars yet. I'm actually surprised myself. Maybe it's because not many ppl over boost them as much as the average turbo car. Most of the common turbo cars like Talons.. Supras... sr20det's blow often but most of them run much higher boost than stock maybe?

I was replacing my spark plugs and noticed oil on my drivers side intercooler piping? So maybe mine's going? is that a sign that my seals are going?

 

me it was the tubo shaft which was lose to the touch bad bushing i guess. i replaced both of them so as not to worry when the nex one was going to depart

 

Even if they do let go - it's a good reason to upgrade

 

Kevin at UMW suggested to me 2 minutes is optimum for cool down. I try to do 2 minutes every time...he rebuilds them for a living. This has been noted here before. Bottom line, if you take care of them (cool down for x time...we debate 1 minute, 2 minutes, etc.), they are very robust.

Jeff

 

I am just about to roll past 215,000 miles, stock original turbo's, daily driven 6+ track days/year, change the oil every 5000 miles religiously

 

I ran 1.5bar+ on my K16's for 2yrs (15k miles) and it never missed a beat. New owner reports car still running perfectly at 40k+ miles.

 

Wow, that's a lot of boost. What octane were you using?

 

102 ron

 

They were stock K16's Jimmer? Did you have a boost controller? What WHP?

Sounds interesting.

I have 59K on my car and stock turbo's and my car still runs hard.

 

Wow great to hear that these cars hold up so well. Its like the honda of supercars lol