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Roman

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Everything posted by Roman

  1. Haha. Yeah fan blows in correct direction, when car is idling you can see it pulling stacks of heat out of the cooler and there's a 10 deg drop across the sensors. Instead of cooling system reacing saturation point and fan coming on, car stays at 87deg and fan never comes on. So it's definitely doing something, but I dont have any oil temp data from beforehand to compare to. The sensors are both brand new and using same cal table in the ECU, when car is first warming up they both read the same until there starts being a temp difference across the core. In order to fit my sensors (they are quite deep and bottom out in the AN fittings) I've had to use a 1/8th > 1/4 NPT fitting then a 1/4 > 1/8 NPT back again. So the tip of sensor is sitting in oil but they're not completely immersed so it's possible they're prone to heat soak from external sources.
  2. Yeah especially if you can run wideband etc over can bus
  3. Haha yeah sweet power now Glenn! Good rev range for powerband too. What else changed about the motor to get you over that 200kw mark? More compression?
  4. Okay so who wants to try explain this one for me? Orange line is engine temp. Red line is oil temp before the oil cooler. Blue line is oil temp after the cooler. At a certain point of track day run, my oil cooler appears to be heating the oil hahaha. I am wondering if exhaust heat is influencing the reading of the "After cooler" sensor, as it's line of sight to exhaust manifold. The "before" sensor isnt line of sight to exhaust as it's on far side of oil cooler adaptor.
  5. If you think there's even the slightest possibility of changing spring rates later on. I'd go adjustable seat and 62 or 65mm ID springs. As they're common sizes so springs are cheap, got a pair of mine brand new for a box of beer. Vs paying $200 per set for oddball sizes. One thing that determines spring rate is the total length of wire in the spring. So a common way to manufacture the different spring rates for coilovers is to use same wire thickness but then shorter overall length/height for higher spring rate. If you have an adjustable height spring seat and set it up for springs that are on the soft side, you'll be able to switch to stiffer springs without dramas if you need to so long as the spring seat can wind up to suit. but good to have some available spring seat movement both up and down. I find that my car is on the border of too stiff for road with 5kgmm and 3.5kgmm springs, when doing some backroad doorts the front wheels start to skip off the road on undulations.
  6. Haha for sure. Some of the guys in street class have openly said that their cars are too delicate/stiffly sprung/etc to drive them long distance on the road at all. Trailered to and from events, wof and reg "street class" cars that only ever drive on track haha.
  7. My idea for a combined trackday/camping trip... Hmmmm maybe not the best. It was annoying having tools and tyres etc in the car while trying to go camping, then vice versa for trackday, and just generally speaking a car stuffed completely full of stuff! Had an awesome time at the Riverglen camp ground where Nats was in the Cormandel for a few days though. Superlap round 2 at Taupo was a mission! Clutch Master cyl packed up on the way down. Replacement one didnt fit so rebuilt old one with guts of new one. Then staged injection not working properly so retuned for primaries only. Then i had a session where everything went well! And managed a 1.51.6 which I was really happy with, huge improvement over last time and everything felt great. Rear tyres were getting slippery at end of session at 32psi hot so dropped them to 30 hot. Next session after that, e-throttle fault! Which cleared after turning car off and on again, but I'll need to look through logs to see why this might have happened. But decided to just head into the pits and call it a day. On the whole pretty happy with the weekend, and happy that I made it home alright. But I'll also be pretty happy to just park it in the garage for a while and do some other stuff for a while! It was a weekend of frustrating mechanical issues with a small spritz of success in the middle haha.
  8. Hahaha awesome. Down at Taupo at the moment. I ran a 1:52.6 today which is a fair bit quicker than previous best of 1.53.8. Only had 4 laps too, other 4 sessions are tomorrow and GPS is showing a few corners where there's a big stack of time to cut. Also found that incorrect knock sensor setting was pulling 5 deg timing out of the entire powerband haha... So should feel a bit more lively tomorrow! Cant wait! R888s are awesome I was able to take turn 4 without any braking.
  9. I post things that are interesting to me. Feel free to add me to your ignore list.
  10. I was planning to do the next round of superlap with just a temperature probe fitted to the existing setup to get a baseline of what the oil temps get to. Buuuutttt smashing the windscreen brough plans forward a bit! As I had to pull most of the dash out anyway so it makes sense to get wiring changes etc done sooner than later. I have finished building a shroud for the oil cooler fan and the brackets to hold it in place. Unfortunately the cooler is too damn big to fit anywhere except for ahead of the radiator panel, but I've placed it behind the bumper / numberplate and quite far forward so it shouldnt get too much airflow through the core without the fan going. Also I chose black AN fittings where possible and put some fibreglass heat sleeving stuff over them. Mainly because it looks a bit nicer I reckon. Nearly finished the physical install of it, then just the wiring to sort out. Dad has provided me with a PWM fan controller, it's really easy to setup so that should be cool to have a play with! Markku has loaned me another speedo drive to test with, hopefully this makes everything work nice again and cruise control will be back up in running in time for the next Superlap round at Taupo.
  11. Best thing you can do, if there is an EFI version of your car, have a scout around and find a tank from one of those and swap them over. I'm sure there's an EFI 3T or whatever from that year? Saves 10 million headaches and you know the baffles etc are going to be good. In other news I suspect it might have been Seedy Al who posted about EFI converting a tank.
  12. Figured out how to record video with thermal imaging camera, need to stream it via USB to Laptop. It's friggen sweet!
  13. What's the scoop thingy for? EDIT: Nevermind just read that link
  14. He'd have to actually work on some of his projects to improve the ratio
  15. He'll put it in other projects after he attends his first meet in it
  16. I remember someone telling me that these came with an RB motor, but I never believed it. Very cool! Nissan Z cars win at 2 seaters and fails so hard on the 2+2s
  17. Yeah I think I'll keep eyes peeled for a 2nd tank, and then get it dipped / repainted / etc then swap them over.
  18. Engine has been running EXCELLENT post injector setup (and I fixed a vaccuum leak, well spotted (heard?) Clint cheers) Full power is back! woot! So I decided to go for a tootle up north. Coming around a corner on the Brenderwyns, truck coming the other way and then BOOM! Windscreen instantly shattered, presumably by a flicked up rock. Managed to pull over to the side of the road safely and inspect the damage... I'm so glad there was that area in the middle that I could see out of! Seeing how I was about 2 1/2 hours north of Home, I was at a bit of a loss what to do! I flicked a txt to a few people to show them for a laugh, then my old man called me back... Basically saying "Stop being a pussy, break it out and just drive back home. it will be sweet" haha. So that's what I did! Including an absolute clusterfuck when trying not to get glass in the cabin... Had a few bees and insects fly into the cabin, didnt get pulled over or anything... Made it home safe! I've got a new screen arranged already, just need to organize with a glazier or whatever to get it fitted. And then spend about a week vacuuming glass out of the car...
  19. It's a factory 4 door one too! I never knew such things existed. Damn cool car (Even though too many doors)
  20. Now using an OEM fuel filter instead of shit spec repco one or whatever. Might make a difference perhaps.
  21. Yeah it's a well quantified thing, with a lot of the more common injectors people can tell you what CC rating you end up at. Mighty Car Mods ran some tests on CC rating, cant remember exact numbers but definitely a big difference with caps off. I found some particulate in my fuel rail, so it's possible that since I'm running 60psi it's enough to push some of the junk through the filter? So the pintle caps would have been getting sand blasted by 60psi of fuel + grit haha. I've got some new caps on, everything reassembled and wideband is turning up today. So will give it a hoon, if it's running rich or lean from here I'll pull all injectors back out and flow test them / replace any which look bad.
  22. Apparently it makes quite a difference to CC rating if you remove them.
  23. Okay so the FPR looks to be performing well enough, after looking at how it runs with a fuel pressure sensor tapped in . When you've got a vacuum referenced 1:1 rising rate fuel pressure regulator, the pressure differential between manifold and fuel should stay the same. (The white line should be as straight as possible) So it seems like it's working well enough, it's not dropping to 20psi or anything like that. So I decided I probably just need to start pulling stuff apart and check things piece by peice, when I found... WTF? Haha. Two of the pintle caps on the 1000cc injectors have blasted themselves out to a bigger diameter. (as per on the right) Possibly because I'm using the longer pintle caps, and 60psi fuel pressure? Maybe cheap china plastic? Weird! Increasing the diameter of this hole has a dramatic effect on the CC rating on the injector, so it's possible two of my injectors have been operating as something along lines of a 1400cc or 1500cc injector. So overfueling like crazy, enough to make it misfire and down on power? Hopefully fixing this sorts it! Off to Petroject to get some more pintle caps, then bang it all back together with fingers crossed P.S. Here's some proof my car actually left the garage!
  24. A HUGELY FUN but disappointing OS drag day event for Team Beams Markku was out of action early in the day with suspected piston ring problems on number 2. My car was just still down on power as per last wekeend at Hampton. I was coming up 6mph short across the line, and 0.7 seconds slower even though my launches were a lot better on new tyres. During the day I did a few runs to get some data for virtual dyno. In 3rd gear I did a run with 3deg timing pulled, normal timing, and then 3 deg advanced. None of which appears to be particularly consequential seeing how I'm so far down on power compared to normal. At the drag day I had somewhat resigned to the fact that maybe it's just getting tired or has lost compression on one cylinder, or something like that. However everything I've tested so far, including compression test (Thanks Cam) has come up fine. My current suspicion is that I have issues with the fuel pressure regulator. To test this I have replaced the gauge on the FPR with a sensor. I've got it all wired in and tested, but wont drive the car again until I've got a new wideband and some fresh spark plugs. Hopefully there's juts something simple wrong that I've overlooked
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