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Modification of the NA engine
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<blockquote data-quote="chris2000" data-source="post: 1037027" data-attributes="member: 11855"><p>""Drag setup = maximum everything without thinking much of reliabity. We dont use big overlap cams for drag, we use high lift so that's the difference. FYI we running 4 throttle meaning that "airbox" is irrelevant.</p><p></p><p>llsaw,, running lean makes the "most" horsepower if you really want to know.""</p><p></p><p></p><p>Running 4 throttle doesn't mean an airbox is irrelevant eventhough it is meant for racing only. Have you seen that many race cars in Europe that runs Individual Throttle Body (ITB) aka 4 throttle for 4-cylinder engine, many have custom airbox made out of fiberglass or carbon fiber with a hose ducting cold fresh air from the outside. This is because the cooler the air the More Hosepower and also to reduce intake temp which in turns reduce ping/knock in an engine.</p><p></p><p>And who doesn't know that running a car lean will give more horsepower. There is only that small limit and margin of error, before high horsepower with ZERO reliability happens. That is why there is so many JUNK yard shop to sell you engine kosong when blow engine or melt a piston!! And mind you, I think "DRAG Setup = maximum power without thinking reliability" is rubbish! Every Drag car want to achieve highest power but not wanting it to blow at the drag strip! Don't tell me you built drag engines without thinking reliability and expect that it will blow during drag race.</p><p></p><p></p><p>""Running 12.5 comp wif 97 octane ?? horsepower must be down, not maximum enough. Perhaps suitable for track race.""</p><p></p><p>Like I said earlier the car is tune for max horsepower for 97 octane gas. So how to say horsepower is down and not maximum. Official sanctioned circuit race in Malaysia only allows 97 octane like a normal road car. Hence car is tune to maximum for use with 97 octane. </p><p></p><p>Of course if we were running some 100 octane or F1 or A1 race fuel, the tuning of the engine will be different to maximise more horsepower from these type of racing fuel.</p><p></p><p>What I am just trying to point out is that, No Matter What type of Fuel you are using, you will still be able to tune for MAXimum Power without knocking and pinging if the tuner has done everything right.</p></blockquote><p></p>
[QUOTE="chris2000, post: 1037027, member: 11855"] ""Drag setup = maximum everything without thinking much of reliabity. We dont use big overlap cams for drag, we use high lift so that's the difference. FYI we running 4 throttle meaning that "airbox" is irrelevant. llsaw,, running lean makes the "most" horsepower if you really want to know."" Running 4 throttle doesn't mean an airbox is irrelevant eventhough it is meant for racing only. Have you seen that many race cars in Europe that runs Individual Throttle Body (ITB) aka 4 throttle for 4-cylinder engine, many have custom airbox made out of fiberglass or carbon fiber with a hose ducting cold fresh air from the outside. This is because the cooler the air the More Hosepower and also to reduce intake temp which in turns reduce ping/knock in an engine. And who doesn't know that running a car lean will give more horsepower. There is only that small limit and margin of error, before high horsepower with ZERO reliability happens. That is why there is so many JUNK yard shop to sell you engine kosong when blow engine or melt a piston!! And mind you, I think "DRAG Setup = maximum power without thinking reliability" is rubbish! Every Drag car want to achieve highest power but not wanting it to blow at the drag strip! Don't tell me you built drag engines without thinking reliability and expect that it will blow during drag race. ""Running 12.5 comp wif 97 octane ?? horsepower must be down, not maximum enough. Perhaps suitable for track race."" Like I said earlier the car is tune for max horsepower for 97 octane gas. So how to say horsepower is down and not maximum. Official sanctioned circuit race in Malaysia only allows 97 octane like a normal road car. Hence car is tune to maximum for use with 97 octane. Of course if we were running some 100 octane or F1 or A1 race fuel, the tuning of the engine will be different to maximise more horsepower from these type of racing fuel. What I am just trying to point out is that, No Matter What type of Fuel you are using, you will still be able to tune for MAXimum Power without knocking and pinging if the tuner has done everything right. [/QUOTE]
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