Sack87
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Everything posted by Sack87
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Yeah apparently this one has the daughter board in it already
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Using the tune Matt has online and C-Red to clean it up. No one else will really touch the EMU
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Some time lapse vids of engine being built. YouCut_20190614_173628543.mp4 YouCut_20190615_200644077.mp4 YouCut_20190622_164922903.mp4
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So, I got the motor pretty much buttoned up on the weekend. Got screwed around with rods bolts not being available for two suppliers and ended up paying 3x as much to get them from over east. EMU was purchased and I just finished sorting out it's harness tonight. Deutsch plugged it so it can be removed easily if needed and labelled all the wires relevant to run. Still need to do the engine harness to match now. Got a Kinugawa dual port gate coming, innovate LC2 wideband, silicone coolant hoses, new catch can to modify and a fuel pump. Need to buy injectors, new coil packs, plugs, Greddy MAP sensor and looking at possibly getting a stall as well.
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Supertech end up cheaper than stock and they're better. https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.ebay.com.au%2Fulk%2Fitm%2F272798735032 Amayama and Partsouq have no rod bolts so you have to pay 3x as much to get them from Melbourne. In saying that though, I got them overnight instead of 3 weeks
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Yeah same for mains. You can buy single pistons from Nissan, which I did to replace number 6 and bought another set of rings. All the bores got honed so it's fresh again. They're both headache savers but Amamaya's processing time is a bit slow. Everything is in Australia for this order yet it takes 3 weeks to get it.
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You can only get OEM bearings for these. ACL and King Bearings are wrong, full stop. Do not believe anybody who has a listing as fitting VQ25DET, as they don't.
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Crank went back in yesterday after getting block back from honing at machine shop. Now I play the waiting game with parts from Amayama. Mid June they reckon
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New motor is getting, EMU tune, bigger pump, bigger injectors and the wideband setup. Hopefully safer and with more to boot.
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I hadn't got around to welding in another bung or buying a sensor. I was going off what Hobdrive was reading from the factory sensor which according to it, it never went lean. The sample rate must be too slow though. Overboost function was set up but it didn't work. Maybe it needs a bigger range than .5psi to react quick enough.
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Took it to work and hot washed the majority of parts. Honed all the bores and deburred number 6 as that had piston melted to the wall. They all came out good but there is slight imperfection on 6 so I will be taking to to my machinist to get it sorted out. No metal went through the oiling system so all bearings and journals are good to go. I dodged a bullet here I reckon.
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Flash tune but looking at buying EMU so I can get it cleaned up. Haltech will work but that is $$$
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Yeah, but trying to find someone who will tune anything but a Haltech over here is difficult
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New rings and it'll go again
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Stock pump still. Christian asked me what pump I was running when I was looking at his flash tune at the time, but it seems we missed out relaying that info to each other. Note to self, stock pump is no good for 18psi.
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Got one head off to look at number 6. It's definitely gone lean, you can just see some detonation on the crown of the piston and at the very top of the bore. Then it's just scraped away at the bore and likely the piston skirt. I might be able to plate hone it out to the limit but I think it may have been pretty close when I originally honed it.
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Itsrom flash tune, tuned for 18psi. Saw a peak reading of 18.7 on boost controller so it's most likely leaned out over the quarter mile.
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Productive 2hrs. Should have it done by Friday.
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Round 2
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I'm pretty sure it's piston and the grey paste is cylinder lining or rings
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Not a good sign
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It's up on jacks and I've almost got the rad support off. Just plodding along with it when I feel like, no motivation haha
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They were made to work with our cars comms, so they can display a lot more data, you can do data logging, fuel tracking etc. Hobdrive does work with the cheap ones but a lot of the data display isn't configured.
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I should be alright. I drove it back home from the plex so hopefully I can just gone and re ring it. I still have the original motor here too so worst case I just build up another short block.
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Number 6 rings from what I can gather so far. Spewing oil out the catch can too
