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Message: <blockquote data-quote="DanPromote" data-source="post: 6726" data-attributes="member: 1834"><p>Just went for to dyno test my car yesterday as I want to sort out any problems before my quest for power begins. I noticed some problems during my outstation trips as the engine starts misfiring from 140-160kmh & goes out of breath at 160kmh.  Just as I suspected the dyno test graph revealed that the power goes down after 4800rpm and seems to be running on 3 cylinder at times instead of 4. It is possible that either the coils need replacement or worse come to worse, a top overhaul. Since the coils cost RM100+ I'll replace that and see if it helps. I've also changed the spark plugs to check if it was due to this but the problem persists. Any one faced the same problems that I'm facing before? Btw don't ask for my dyno results.. very malu to show..kekeke wait till I've solved the problems first. Estimated power on wheel for a perfect working condition one is around +/- 80-90hp (considering it is 115 on paper) Some recent dyno tests done (power on wheel) :- Myvi - 65hp (stock)Proton Neo - 96hp (stock)BMW e36 318 with turbo kit (no piggyback ecu, only fuel regulator) - 130hpBMW e36 with 1JZ conversion (stock 1JZ without mods) - 260hp!!! Mazda 6 2 litre (stock) - 112hp IF the worst of my fears are true then it's a toss between a top overhaul, complete overhaul or a 1JZ conversion... strongly being pulled into a 1JZ conversion by my tuner if I need to spend that kind of money to overhaul my engine (suppsed to be trouble free, quiet and damn powderful ie.stock engine internals can withstand up to 600hp!)</p></blockquote><p></p>

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