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Pattey21

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About Pattey21

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    Rank: RB25DET
  • Birthday 05/21/1915

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  • Car(s)
    R33 S2 Skyline
  • Real Name
    Patrick

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  1. For those interested with return flows, attached are the results for pressure drop, test points turbo outlet and intake manifold. This was done on the road not a dyno so the results vary a bit but can see the drop increase above 5000rpm
  2. I'll definitely do another one before trying again. Spent a lot of time doing a pretty comprehensive boost leak test before. Pumped up to 20psi took 20seconds to drop to 15. Might be the limit of the turbo, turns out the result which netted 250 by Dr Drift had an ext gate, exh cam gear and maybe a ported manifold
  3. Had a chat with Dr Drift. His had a ext gate and adj cam gears. He did have a return flow though. Sent Tao a message about upgrading to a g3 with BB
  4. Hi Tao, Thanks for the response. when I was first bought the turbo you mentioned with the right supporting mods it could make 250kw. Reason for going g2 was wanting as close as possible to factory response as per your results below, where I seem to be making similar power but at 16-18psi instead of 13. Did you manage to achieve above 230 with this turbo? Guess I want to see if it's worth my while changing cooler and get the tune tidyed up a bit and try make close to 250. Kind regards Patrick
  5. Yeah right. Well the plazmaman street series is a bar and played and the hdi is tube and fin. Those are the two I'm looking at at this point as reasonable options
  6. Sorry put the question on the wrong thread, posted on hypergears
  7. Got my car tuned finally by DVS JEZ after having some issues with "less competent" tuners in Canberra. I know my setup is not ideal (return-flow) but was hesitant to spend money on restrictive parts if i needed to spend money first on fundamental running issues. Setup is as follows: R32 Nistune ECU EFI solutions Top fuel rail kit, stock FPR with Bosch 0 280 157 187 495cc Injectors Bosch Z32 AFM 3" Turbo back (bellmouth, port matched) 3" 100 cel 4" body Venom cat, straight through mufflers Hypergear G2 21U Highflow Greddy Profec OLED EBC Custom Hard 3" intake pipe joining to stock Airbox, Return Bov Return flow AVO Turboworld intercooler R32 10psi actuator pre-loaded 3mm GTR BOV NPC clutch SPlitfire coilpacks Standard Walbro 255 with the wiring mod. Overall result is pretty good but quoted from Jez couldn't get more out of it "too prone to detonation", note the 230kw run was abandoned. so running 223Kw on 16psi Now i know its running right i am looking to buy a new intercooler either HDI or Plazmaman and the 5" body 100cel 3" cat and then getting the tune tidied up a bit. My initial goal was to make the most responsive setup compared to stock turbo running 98 and airbox (hate the sound of pod filter) hence g2 profile choice. Can see my old tune in second pic of stock turbo and breathing mods. Tao what do you think of the result? Besides changing the above (intercooler and cat) and staying on 98 and an airbox (happy to modify it), is there anything else i can do to increase response/boost response. Kind regards Patrick
  8. Got my car tuned finally by DVS JEZ after having some issues with "less competent" tuners in Canberra. I know my setup is not ideal (return-flow) but was hesitant to spend money on restrictive parts if i needed to spend money first on fundamental running issues. Setup is as follows: R32 Nistune ECU EFI solutions Top fuel rail kit, stock FPR with Bosch 0 280 157 187 495cc Injectors Bosch Z32 AFM 3" Turbo back (bellmouth, port matched) 3" 100 cel 4" body Venom cat, straight through mufflers Hypergear G2 21U Highflow Greddy Profec OLED EBC Custom Hard 3" intake pipe joining to stock Airbox, Return Bov Return flow AVO Turboworld intercooler R32 10psi actuator pre-loaded 3mm GTR BOV NPC clutch SPlitfire coilpacks Standard Walbro 255 with the wiring mod. Overall result is pretty good but quoted from Jez couldn't get more out of it "too prone to detonation", note the 230kw run was abandoned. so running 223Kw on 16psi Now i know its running right i am looking to buy a new intercooler either HDI or Plazmaman and the 5" body 100cel 3" cat and then getting the tune tidied up a bit. My initial goal was to make the most responsive setup compared to stock turbo running 98 and airbox (hate the sound of pod filter) hence g2 profile choice. Can see my old tune in second pic of stock turbo and breathing mods. Tao what do you think of the result? Besides changing the above (intercooler and cat) and staying on 98 and an airbox (happy to modify it), is there anything else i can do to increase response/boost response. Kind regards Patrick
  9. Hey all, Got the car tuned by DVS JEZ, no issues with fundamental setup compared to previous attempt. Was hesitant to upgrade prior in case there was actually an issue but will now be looking at a new inter cooler and maybe a better cat as Jez couldn't get more out of it "too prone to detonation", note the 230kw run was abandoned.
  10. Good morning all, In preparation for my tune in a few weeks I was thinking of replacing my intercooler. The one I have pictured, is a AVO Turboworld, core size 450x295x87. 2.5" inlet and outlet. Does anyone know anything about them power handling or quality. As far as I'm aware they're not one of the cheap knock off brands but I can't find any info about their intercoolers for skylines. My setup will make best case make 230-250kw @ 14-18psi (R33 21U g2 350hp hypergear highflow) I know return flow tend to be restrictive but generally from 250kw onwards so may not be a issue for me. Just trying to justify spending $600-$1k On a new cooler if it won't yeild much benefit for my setup.
  11. Yes i know was wanting to stay as close to my old tune in terms of response and daily drive enjoyment (200rwkw with SAFC). New setup should make 230-250kW. Max injector cycle 57%. I've attached pics of AFR down peak. Boost response is close to stock turbo. Making boost threshold (currently 10psi) roughly 3000rpm in 4th.
  12. So on the weekend Matt from Nistune sent me a base map set with 495cc injectors and a Rb25AFM. Uploaded it and attached my stock RB25AFM and same thing, had to increase Kconst by around 55-60% to get it to run, could also do the same with TIM(Total injection Multiplier) Also did another pressure test with a more accurate gauge. 39PSI with Vacc line same as before 48PSI no Vacc(made a mistake in first gauge reading was increments of 2 not 1 so first gauge reading no vac was 46PSI). Slightly higher reading are not suprising, considering I'm running the wire mod to a walbro 255. Also applied 18psi to FPR and Fuel pressure gauge went up to 67PSI so pretty linear. Also swapped in another z32 afm this one a Genuine Nissan and needed less that 5% adjustment in Kconst between that and my Bosch. Did a few log runs and between genuine nissan z32AFM and Bosch z32AFM and nothing stood out (from my very limited experience/knowledge). Maybe the Nissan z32AFM, AFRs drop a bit faster when creating positive pressure compared too the Bosch but would have to do some more runs of tighter controls. Was thinking that maybe a scaling issue too. Welcome to trying educated ideas, or sending logs or maps too anyone who would be willing to help. Basically want to diagnose if there is a problem or if it was a tuner issue before spending $150-$200 a hour, get halfway through a tune to realise it won't work. Cheers
  13. Hey there, thanks for your response and taking the time to read. I did think that too and have looked at a few counterfeit threads including nistunes one. Bosch have produced a newer z32 afm with no logo in the box, which was updated in Nistunes Afm counterfeit PDF. I did also think to check with Paul's wiring diagram and that some z32 wiring plugs have 4 pins and hence to link wires c&d. However pins c&d are linked together on the z32 afm itself so essentially the same thing
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