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The Mafia

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The Mafia last won the day on February 7 2011

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About The Mafia

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    2 x HKS2530 @ ???awkw
  • Birthday 10/05/1981

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    Mackay

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    Jono

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  1. I was thinking the same thing. I would love to see the timing map / AFRs. GTRSean, can you post a screen shot of your timing map / AFR?
  2. I emailed GCG about putting 0.63 rear housings on these. This was their response: Thanks for the enquiry. We can supply these with an 0.64a/r, which would definitely bring them on earlier, although our testing did show the test vehicle surging under light throttle. However, we haven’t tested these with the new surge slotting on the compressor housings, so it’s something that could possibly work, as long as the engine is capable of handling the airflow that the turbochargers provide. The issue we had originally is the GTX turbochargers push a HEAP of air into the cylinders, but the engine just could not handle the excessive flow, and this is where surge occurred. If the cylinder head is modified is the right way, and you have a nice big volume plenum, the issue shouldn’t present itself. Keep in mind we cannot guarantee they will not surge. You also need a big BOV if you’re planning on running these (Turbosmart Race Port 50mm should do the job)
  3. I emailed them and got this: Thanks for the enquiry. We can supply these with an 0.64a/r, which would definitely bring them on earlier, although our testing did show the test vehicle surging under light throttle. However, we haven’t tested these with the new surge slotting on the compressor housings, so it’s something that could possibly work, as long as the engine is capable of handling the airflow that the turbochargers provide. The issue we had originally is the GTX turbochargers push a HEAP of air into the cylinders, but the engine just could not handle the excessive flow, and this is where surge occurred. If the cylinder head is modified is the right way, and you have a nice big volume plenum, the issue shouldn’t present itself. Keep in mind we cannot guarantee they will not surge. You also need a big BOV if you’re planning on running these (Turbosmart Race Port 50mm should do the job)
  4. Okay I missed those posts. I thought they would have performed better. Those ones above look interesting. I wonder if you can put smaller rear housings on them, like a 0.63
  5. not sure what drugs you guys are on, but GTX turbos will be much better than -5s. keen to see the results.
  6. Vipec and Link are the same thing / same hardware. Vipec is actually gone now, absorbed back into Link. Vipec "V" series = Link G4 Vipec "i" series = Link G4+ You want the model of vipec or link that fits the GTR. It also fits the RB20. (It's a one ECU fits all) The GTRLink / GTRVipec fits everything except for the Neo as that has a different plug.
  7. Hi mate you only have 2 sort of easy choices here. 1. Remove the loom, and install a RB25 NEO loom to run with the Neo Vipec. 2. Get a GTRLink / Vipec. These fit all GTR models, and the R32 and R33 GTS-T. Any other way will only be a huge bitch. You could get yourself a brand new wiring specialties Neo harness. Would cost about $1k but then you have a new loom. Personally, since later model Neos have fairly new looms in then, just grab a factory one of those nice and cheap
  8. You should never tune beyond 80% injector duty cycle. Same goes for the fuel pump - it should have about 20% headroom too. You won't have any of this headroom trying to make that much power with those parts.
  9. On E85 yes. The pump won't flow enough or be near it's limit, and the injectors will be almost maxed.
  10. had a look and a search and nothing came up. Do you have a link you can share? thanks
  11. Hi everyone I want to buy a set of injectors they are larger than 700cc, and will straight swap a R33 RB25. Need to be genuine and decent, no hi flows or fakes. Thanks
  12. I posted pics on the previous page. It's a stock pump I'm pretty sure
  13. Sort of just happened over time I think. Stock pump, not N1. All standard pulleys. I have since flushed everything, put in new coolant, sealed the radiator right around tight, and installed a thermo. Seems to idle nicely at 82 degrees (I have the thermo coming on at 50% at 84 degrees.) Hoping this has it all fixed
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