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Message: <blockquote data-quote="jswong" data-source="post: 1013736" data-attributes="member: 8004">I have talked with some mechs who have done lots engine transplants and turbo conversions, and it's obvious that many of these people do it by "feel".. relying entirely on their experience. They hardly know any proper automotive engineering stuff, much less read books on AE and forced induction.You tell them that you wanna try a 0.3 bar light pressure turbo setup just for a more snappy throttle response, and they tell you that even for 0.3 bar, you need to change the pistons to low compression pistons, need to increase the fueling with uprated injectors, need to use external wastegate and BOV, etc. basically you're doing all the stuff that a high boost setup needs, only that you run on a low boost.These people have tried many setups through trial by error and have written off many setups as being "tak boleh jalan", when the simpler answer is that they haven't really analyzed it in detail from an engineering point of view. Someone who has done over 50 GSR-T or Evo transplants can be hailed as a 'sifu', and most of these sifus are so cocksure of themselves that they won't entertain any suggestions from the users. I know this guy who has worked for Aerotech (HKS tuner). He has many stories to tell about those so-called 'sifus' who claim to know a lot based on 'experience', but can't get a decent reliable setup that doesn't give you 200 km on a full tank.If you ask any turbo mech nowadays about light pressure setups, they'll tell you that your fuel consumption will be terrible. Ask them about high-boost setups, they'll tell you the same thing. But, if you go to a really knowledgeable tuner, that person may even tune your ride to give you better fuel consumption at cruising speeds.The thing lacking in our FI scene is not resources or equipment - these two are only limited by money. The main thing lacking is education and REAL knowledge.. not that 'agak-agak' knowledge with tons of guessworks from hundreds of trials by error.If JPJ allows Puspakom to validate turbocharged vehicles (especially bolt-on ones) as roadworthy, perhaps the scene will pick up further.If those Insurance Company bastards don't simply find excuses not to pay us (for instance, bolt-on turbos or superchargers will void the insurance policy instantly), more people will take up turbocharging and perhaps then, when it's mainstream, will every mechanic try and be competent at the science behind it. Nowadays, it's considered to be a fringe discipline, and REAL turbo 'sifus' are like practitioners of some black art.</blockquote>

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