You are right on the nose Mike...I would have ask the same question like you too. Why spend money on an ECU management system and pump low grade petrol in my car. The reason I spend money on mods like electronic management system, headers, air filters etc... is too extract more torque and increase bhp on my car. Why would I defeat all this by pumping in lower grade petrol.Yong_5290,
u were saying perhaps can use management to retard timing.
i'd say the 'idea' is a bit naive. yes, of course u can use management to control that, BUT
i don't think that even worth the management. if i were to have management in my car,
i'd use it for other better purpose, NOT just for using it to compensate the timing because of using
ron95. and one fine day if u decided to use back ron97 (IF later gov down the prices.. * in all's dream * ), u gonna go set the timing again ? why the hassle ?
if one can spent few hundreds/thousands bucks in upgrades of his/her car, and yet want to save
the tiny-winny $ to use ron95, then i dono what to say already... hahaha
maybe one word 'Bengong"
YES..you can run the engine on RON95..but knocking will occur at high rev ie. when u floor the pedal.
I have a PowerFC installed in my car and YES I can have the timing retarded or tune to compensate for the RON95 petrol. But what is the point of spending money on the mods and tuning and in the end compromise on the end result. So I only use RON 97 and am not going to risk experimenting and waiting for the outcome of using RON 95..but at the end of the day it really depends on the owner.
Just my humble opinion.....