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Im currently building a Locost. Locost is a Lotus super Seven look a like. My plan is to use VEMS 3.3 on my Zetec engine. The new plan is to turbocharge it. I have bought a old garrett T3 (Sierra cosworth) and plan to use an Saab 900 (old generation) intercooler mounted in the rear end of the engine compartment. Futher more i plan to use water injection (DIY). ---- Engine info Ford Zetec '''4 cyl''' 4 stroke 16 valves 1800 cc 10:1 comp (will be lowerd) 170 cc injectors (will be upgraded to 357 cc Nissan 200 SX ones) 105 bhp narrow band O2 (??? why don't you use wideband ? That's the best investment before any tuning!) Yeah, I'm thinking of buying one. Earlier these WO2-sensors have been pretty expensive. ---- '''FAQ''' 1. I plan to use batch injection. How many Fets do need. All the injectors will be fired at the same time. * we always use 8 injector driver FETs, because they are useful for other stuff too (driving solenoids, relays, etc..) * Ok. After some talking with Emil (via a swedish forum) i have decided to use seq injection instead. 2.The Ford Zetec coil is used with the EDIS, now i want to use only the VEMS for ignition timing (wastefire) ** 4 power ignition driver (+4 logic-level: 4+4 option) recommended for any 4cyl (allows any type of ign later). 2 ingition drivers are the minimum, + 6 logiclevel (that is 2+6 option). ** 4 it is then :-) 3. can i use the standard Ford sensors? TPS, CTS, Crank trigger, MAT, etc * shouldn't be problem '''Vems BOM''' Vems 3.3 Card Wideband W02 Sensor 8 Fets plus spares 4 ignition drivers plus spares 2.5 kpa map sensor onboard LCD Green econoseal connectors ---- '''Questions''' Ford coils and dwell time My engine currently uses standard ECU with builtin EDIS. When i'm switching to Vems I plan to let Vems do the dwell calculating instead of the EDIS. Is it worth doing so, or should I get an standalone EDIS and let it handles the dwell calculation. Does anyone has info about the standard Ford coils that are used with EDIS-4? Some pictures can be found here [http://www.amanfamily.se/locost Website] [mailto:micael@amanfamily.se Email me]
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