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Old 02-28-2014, 12:48 PM   #3
krulux
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Join Date: Oct 2013
Drives: 2013 Scion FRS
Location: Middle, Ga.
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Garage
Quote:
Originally Posted by shiv@vishnu View Post
There is no mechanical implication of running optimal VVT timing to minimize torque dip. If it's not something you want, just get a UEL header and run an appropriate UEL tune. Noise and dip gone.

I can second that first-hand. On the stage1 tune there was always rasp during that time. Since I've installed the header and moved to the stage2 tune.. there is no dip and no noise... but it is replaced with - oh sh!t this thing is moving!!!

The header is beautiful sounding in fact - can't help but run it through the gears every time to 5K or so... )

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The Following 3 Users Say Thank You to krulux For This Useful Post:
Shiv@Openflash (02-28-2014), skye67 (05-17-2014), tracerit (02-09-2015)