I am using this plug cable on my 4G15 VDO engine.
The resistance test i got from this cable is quite promising. I compare it with Proton Stock Cable and Bosch Super Sport Cable.
Unfortunately i dont have other cable to test with(exp. NGK Power Plug or NGK R8).

You can read my review here :
http://tictac-4g15.blogspot.com/2011/08/pr...plug-cable.html

I installed it on my car. No RFI noted when i switch on my radio. No problem revving it up to 6800 rpm (rev cut). So i think i will be using this cable for my trackday. If i got time i will try to install my new ECU and test this cable up to 8000 rpm.

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Added on September 18, 2011, 7:50 amOn 11 September 2011. The cable was tested during the track day and proven to rev my small little 4G15 engine up to 8000rpm only using stock ignition coil.
Video Link: http://www.youtube.com/watch?v=7D-kiPCtk1Q

This post has been edited by tictac: Sep 18 2011, 07:50 AM

Me still using this plug cable. No problem after 1 year of motorsport activities already.
Highly recommended plug cable.