![]() ![]() If the MAF tubes are 69.5mm (2.75 inch) then enter 171. 4534/3419 1.326 or if you prefer ‘the 76mm MAF tubes have a 32 greater surface area’. ![]() Hope this answers your question about tuning and welcome to HCF. Now if we divide the new 76mm MAF housing surface area by the stock 66mm MAF housing surface area we get the percentage increment amount. ![]() Never rely on any basemap for any kind of real driving or high RPMs. A standalone ECU on the other hand has been designed from scratch specifically to provide complete control over the engine tuning. But in the aftermarket community, 'tuning' is all about making adjustments to your engine via the engine control unit (ECU). With newer software you can adjust fuel maps for each gear, amount of boost, control boost by gear, etc etc etcĪ basemap is just a fuel map that is just good enough to limp the car around to your tuner and to have it dyno tuned and a full map programmed. A 'tune-up' is a kind of preventative maintenance where basic parts are replaced and cleaned to keep the car running at peak performance. When you start modifying the internals and such you typically have to increase the fuel injector size, when you increase your fuel injector size you need to reprogram your fuel maps to compensate for this. any power gains from the chip are eliminated). , since these parts just render your 'new' ECU program obsolete and useless (ie. If you have any of these piggybacks or stand alones you can tune an engine although typically the only time tunes are done on engines are when you start getting behind your basic I/H/E mods. What is a Stage 1 ECU Remap Which Remap should you go with Welcome to another video where we explain what tuning is and specifically what is a stage 1 tune. First, don't chip too early There is no point in getting a new ECU program early in your engine build up and then later upgrading to bigger lift and duration cams, or larger injectors, bigger fuel pump, or an aftermarket IM/bigger bore TB, etc. Tuning is done with either some sort of piggy back fuel management or engine management or a stand alone fuel/ignition system. ![]()
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