Are there any shops in your area that have a dyno and do tuning? Is there more than one shop?? Get a few days and check out the shop, request to view them while they tune.

4AG Major Port to Smaller Port adapter Machined aluminum port adapter. When switching from a huge port head to a small port head, but maintaining the first ingestion manifold, This can be the adapter you may need. Early model 4AG's were a major...

If it may possibly't then you would probably be finest off fitting a stock narrowband sensor and studying the AFR using your Denso with the wideband sensor previously fitted.

Sadly, it says that the HKS ECUs can only be tuned by dealers, so i can do absolutely nothing With all the HKS ECU, it arrived Along with the car or truck from Japan due to the fact i bought the vehicle

The OEM ECU includes a concentrate on rpm vs temp table, and adjusts the ISCV to provide the rpm on target. I'd personally assume the HKS ECU to complete a similar.

This implies an airbox is the only alternative. Other airbox solutions is making use of certainly one of our Nissan GTIR adapters, or an aftermarket airbox from Mekaru. Observe: the airbox from Mekaru unless glued shut will never seal off perfectly adequate to generally be compatible Together with the Silvertop airflow meter

They are not intended to be utilized to compensate for variances because of the incorrect adjustment on the throttle stop screw or linkages.

Ensure that the dashpot beneath the ITBs is hooked to the proper vacuum resource usually it will never suck the piston in and may keep the idle large. Make certain It truly is modified ideal so when vacuum actuates it the pin sucks in far sufficient for your throttles to rest within the difficult prevent. As OST said make sure each of the throttle plates are adjusted effectively.

In case the arms are to the stops, so pressing down and listening is one way to understand Should the throttle plate is remaining held open up by undesirable adjustment in the linkages.

Thanks very much, i apologize for not clarifying the mods. I'll reset the TB linkage considering the fact that i havent altered it immediately after i place it back on. I used to be checking the throttle cease to be certain it donest maintain the plates crack open, the minimal bolt doesnt touch the piston under it though idling, as well as vacuum line is hooked accurately. I have been hunting vacuum leak with no outcomes for while, it seriously frustrates me a good deal. I wish There's a vacuum leak someplace, so the challenge turns into clearer.

Just about every ITB is supplied with a adjustable end screw on which the throttle arm concerns rest. In essence, the throttle plate need website to appear into contact with the throttle bore at exactly the same time as the throttle arm hits the stop (zero clearance).

As such they don't seem to be interchangeable amongst each other Until the matching VVT pulley can also be equipped, as an example there are no difficulties with fitting the two the cam and VVT pulley supposed for the Blacktop engine together on to some Silvertop. Make sure you begin to see the write-up “Dealing with VVT” for more information.

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It was quick and immediate instead of a squander of time however as far as I am able to see but I’m continue to waiting on my quotation.