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Thread: What RPM does the 3.0tdi turbo start to operate

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  1. What RPM does the 3.0tdi turbo start to operate 
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    Evening

    It's been a while since I posted on the forum. Have just recently renewed the turbo and wondering at what rpm the turbo should kick in. The range of the overhauled turbo has been set on the test bench and I believe that this is correct. However the turbo doesn't come on boost until about 1800 rpm....then its like a rocket ship.

    I think it should come in at around 1500 rpm and I always remember it having more oomph lower down before my original turbo actuator packed up. However after 230,000 miles the old turbo electronic actuator finally packed up hence the replacement. The cost of a new actuator was so expensive that a reconditioned turbo made more sense.

    Anyone have an exact figure that the turbo should start to come on boost please so that I can tweak it ever so slightly.

    Many thanks in advance.
    Audi A6 Avant - 3.0 tdi Quattro - S-line Le Mans edition
     
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  2. Re: What RPM does the 3.0tdi turbo start to operate 
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    Should be around 1400-1500rpm, floor it from 1000 rpm in fourth gear and pay attention to the revs you should feel it kick in around then and the car begin to pick up speed, it takes time for the turbo to spool so you may find you’re at 1800-2000 rpm by the time it’s spooled up fully.
     
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  3. Re: What RPM does the 3.0tdi turbo start to operate 
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    Thanks for the info. It appears to be starting to spool up approx 200rpm higher than the figures you provided so just need to tweak it ever so slightly. Then it will be perfect. Thank you
    Audi A6 Avant - 3.0 tdi Quattro - S-line Le Mans edition
     
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