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improvedae86
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Location:
Melbourne
Registered:
January 2003

Re: Aftermarket ECU's for 20 valve N/A (silvertop)

Thu, 06 January 2005 09:54

shinybluesteel wrote on Thu, 06 January 2005 02:48

just a quick one, i think this has ben answered before but i dont remember the reply,

can you run a 16 valve 4age with quad throttle bodies with the standard 16 valve computer?

As far to the knowledge of most people its not possible , But some very smart person in japan has apparently carried this off will good results . The car in question is due to arrive the end of this week or early next week . As soon as its here after getting it running again i will be researching what there have done and checking it's tune and power output on the dyno . The vehicle has dyno sheets from japan with a output of 135rwhp and the engine is apparently stock internally , so this i have to see .

As far as your Ecu questions i haven't never seen a quad throttled engine ever run correctly on a non sequential 3d system , so that really rules out most . Sure most system might be able to run the engine and be tuned with the a higher output than the standard factory ecu at the upmost of the rev range . But most will not be able to be tuned in the mid range area ! . At this point the vacuum fluctuations from the reverberation of multi throttle set ups will have the air fuel ratios constantly variating at a rate most ecus will not be able to handle , with there simple mapping . Then if later you want to go to forced induction on a multi throttle engine this with the added pressure makes this problem worst . If drivability not just full throttle/full load is what you are after then you really have to go to a sequential system .

As far as the Autronic there is some really cheap ealier units out there secondhand $600-$800, all these units can be reconfigured with the latest software ie: sm4 software. If you thought the other brands of software was impressive then you better think again . The level of the self tune as well as being able to create the tuning screen from a plan screen and add with areas you want to see . As well the bringing to your attention readings moving trouble area which you have preset{ remember most are window on window screens so when a problem occurs you don't see it }. And all the other real time run replaying features and thats just for tuning , as far as the unit features i think that the level of people using this speaks for its self . Ahh also the traction control can be added to the early large box units too .When these unit become available to the general public i think these will be poping up everywhere in all kinds of vehicles .

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