Re: ITB Conversion on sixteen valve 4AGE really? maybe i ought to get yourself a new one particular then? at this time i get about seven.5L/100km for my really normal ae92 SX? (roughly 450km's between fuel lights) i havn't experienced mine plugged in for more than 6 months due to the fact redoing the exhaust right before xmas! (snapped it off)
– 1 side on the VVT solenoid has a relentless optimistic ability resource, so by shorting out the second wire it's going to ground the cable and activate the solenoid. If the engine smoothness or idle revs don’t alter then There's a fault inside the procedure.
There exists a issue mentioned Together with the 20v crank angle sensor where the engine will likely not rev previous 7000 RPM, the deal with is resolved in this article.
– As previously mentioned but on a dyno and a power operate with and without the solenoid linked. There must be an important dip in mid choice of the facility curve in between the VVT enabled and disabled dyno operate.
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The 5 valve head is Toyota's reward towards the 4AG once the 4AGZE went absent. With the additional valve and unbiased throttle bodies- the 4AG 20 valve is a novel head design. This head unfortunately has numerous proprietary items and the only strategy to do a conversion to your 5 valve is simply with a whole engine.
You will discover as several tuning theories as there are tuning stores. The main move in getting ready an engine should be to finalize the exact established-up prior to obtaining any component. Displacement raise that doesn't influence the bore / stroke ratio, to the detriment of RPM likely will provide the engine the sting.
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As a information the VVT will be turned on early while in the rev range off at about 6000RPM. These figures are nearly always different among engines because of their distinctive combination of areas.
predicting tendencies in electric power up/down when switching cams, etcetera. It is also imperative that you realise that you must
Apparently the engine Take note also completely altered. The raspy exhaust Notice was replaced by using a lessen pitch extra even ‘roar’. This was because of the a lot more Innovative ignition timing.
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