Quote:
Originally Posted by vas930
Does anyone have any documented evidence that the GT spools faster than the K27?
I always read that some people feel it does.
Then I see Brian say he has not seen this to be the case.
I listen to what all you guys say. I have great respect for Brians knowledge.
Surely after all this time someone has done a documented test.
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All my documentation went when I sold my car. Since it's EFI, you can get the GT to spool faster from idle (I proved it) but where the GT shines is in throttle response. The K27 center sections (bushings) can't spool up as fast as ball bearings and the vane technology that's on the GT. This is assuming you've tuned the motor well but to be fair, if you're looking for a dramatic difference, there isn't one. You get it down low quicker and in quick changes to throttle position.
I thought it was cool when I shut my motor off (it had a GT35R), the turbo would continue to spin for something like 45 seconds. The K27 stopped in 10 - 15 seconds from idle.
The ball-bearing vs. bushing turbo discussion is ALMOST as bad as one on which oil is better.