Jul 25 2011, 05:13 PM
QUOTE(OKLY @ Jul 25 2011, 03:52 PM)
Haven't brought it to the highway for high speed testing but for a normal road drive, I feel that pickup feels steady, don't really know how to describe in words but the feel is much better. It claims to improve a little on acceleration but I did not feel it, anyway they claimed the acceleration to be improved by about 0.7 seconds but can't really be felt since I'm not driving like I'm in a drag race competition. 
Also, I've read some feedback stating that overall, you won't be able to see much difference but a lot felt while cruising at higher speeds, it's easier to go even faster with iridium plugs.
Anyway, no harm putting something better since the price already justifies its estimated lifespan of about 100,000KM or so.
Just a friendly note, make sure your mech install the correct Iridium plug number for Vios eg, IK16 for Vios (Denso). Wrong temperature rating for the plug will damage its electrode and damage the engine in the long run. Also, I've read some feedback stating that overall, you won't be able to see much difference but a lot felt while cruising at higher speeds, it's easier to go even faster with iridium plugs.
Anyway, no harm putting something better since the price already justifies its estimated lifespan of about 100,000KM or so.
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