[Biturbos4] smoke at high revs

[Grant Lenahan]

is it more a function of rpm or full throttle?

Can you describe the roughness/sound better?

I have never experienced it personally, but i'm wondering about failing turbos. 200k, hgih boost, smoke.....

Grant

On Feb 20, 2010, at 10:01 AM, mike wrote:

> A bit of list wisdom needed please gents.....
> 
> Car is ’99 S4, 200k miles. Problem is lots of smoke at full throttle above about 4.5k, it’s sudden rather than gradual onset
> 
> Runs & pulls fine otherwise (but obviously staying below 4.5k), it might be paranoia but I think I’ve also got a slight roughness/unusual noise on the first start of the day but that clears after 20 secs 
> 
> Any & all thoughts welcome
> 
> 
> 
> 
> 
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