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How to use lift?

3.8K views 16 replies 8 participants last post by  xrs22  
#1 ·
This is a very basic question from a new owner of a 2005 XRS.

Could someone explain, or point me to a site that explains how to optimize shifting with lift to get the most speed? :confused:

It seems that revving the engine to 7000 rpm to get a second or two of lift before I shift is rather inefficient.

I here people talking about 'landing in lift' when they shift. Is that to say that they manage to keep the rpm high enough to stay in lift after they have shifted? If so, how do you do that?

I know not to race the engine too hard for the first 1000 k or so, but I am looking forward to trying it in the near future.

Thanks
 
#13 ·
I figured it out, i got the "Super Street: 2005 buyers guide". It has aritcles on the VVT-i and VVTL-i and explains what the lift is and what rpm range it's located to get. I has a lot of stuff broken in to diff. categories and sites to get the info. from for all your performance needs:) .
 
#2 ·
Landing in lift is exactly how you described it...managing to keep the rpm high enough to stay in lift after shifting.

First off, the cam changeover or 'lift' has changed from 03 XRS to 04 XRS and apparently changed again in the 05 XRS.
03 = 6200rpm
04 = 6500rpm (approx.)
05 = 6500rpm (approx. Some say even as high as 6800rpm) 05 XRS owners can confirm that

As you can see, it's easiest in the 03's to 'stay in lift' because the 'lift' begins at a lower RPM so as you shift it gives you that much more slack as the rpms drop between the shift. The 1-2 shift is the most difficult (but not impossible). You have to shift quick & smooth and rev it to where you think it's going to hit the limiter. You'll probably end up bouncing the limiter at times but it also allows you just exactly when to shift. I've hit the limiter many times. The rev limiter is approx. 8200rpm. Some say it's exactly at 8350rpm. And there have been times when I've looked down at the tach and I've reached 8400rpm w/o hitting the limiter. If you can do the 1-2 shift, every other shift is easier i.e. 2-3 and 3-4, etc.

Now since lift engages so high in the 04 & 05's it makes it even more difficult to land the 1-2. Unless you're going downhill and let gravity help you! You can feel the cam change best if you floor it.