GTR-Ben
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Check resistances etc for the AAC and Bypass valves and make sure they are actually working correctly. Does anyone know if the Air Bypass Valves are the same across models or do they have different ranges??
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Has a look yesterday while replacing my heater hose which decided to blow.. (thankfully after the dyno run and at home!) I used the small holes next to the ones the RB30 knock sensors came off. There was nothing in them to stop the bolts going in.. This may not be the ideal place. But they appear to be working fine. If you are really concerned use a helicoil in the correct holes..
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Could have a slightly damaged valve? only becoming a problem at peak load?
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Wheel sensor plug will be on the other side. That small one is for the Air con if that loom wraps around to the front. I would be looking at the fuel pump control circuit first, something maybe earthing there when it tries to turn on.
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Well thats what I recall doing.. I used a bolt and a washer on each GTR knock sensor when I mounted them to the RB30 block. Maybe I didn't use the original holes for the RB30 knock sensors but ones close. The knock sensor worked fine today on the dyno however.
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Did another tune on mine. Made 467hp with a bit of time spent on the cam gears etc. Could get more, but this is more than enough in a street car. Lots of fun
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Washer + bolt. Worked fine for me..
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I have had a few of those... never got them to work. Just bin it and get a late model boost controller in my opinion.
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Damn. This reminds me of a friend doing exactly that on his GTR.. ended up getting a police escort home due to the amount of smoke!
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I have experienced the cut at 5000 rpm or so in 5th, speed cut removed but it use to always cut for a few seconds when doing a timed flying quater.. was quite annoying.
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Apex'i Ecv Or Similar, Anyone Used One?
GTR-Ben replied to floody's topic in Engines & Forced Induction
Any muffler will cause restriction.. but not like having a butterfly that turns your 3" exhaust into a 1" pee shooter The Varex atleast lets the gas flow around through a conventional muffler setup. -
With the right ECU/Tune you should be able to get more out of your current AFM. I always see people talking about Z32 AFMs etc but I have seen so many high powered cars running stock AFM's.. it makes me really wonder. In fact I have seen a high powered GTR with a single AFM probe plugged in post intercooler in a 2.5" pipe.. Seems confusing at times..
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Can finally get my final tune now. Can't wait
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Follow the bottom radiator hose to the block. Remove the hose. There will be a thing with 3 bolts that the hose attaches to. Unbolt it and you will see the thermostat. Give it a tug and remove it. Clean up the hole it came from, install the new one. Reseal and install the flange. Refit hose, fill with water and bleed.
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Apex'i Ecv Or Similar, Anyone Used One?
GTR-Ben replied to floody's topic in Engines & Forced Induction
I would imagine things would heat up due to the restriction.. but other than that it just wouldn't not be able to make the required boost..