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RNUMUK

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  1. RNUMUK
    Interesting, I've had conflicting opinions which started from one of the guys at Haltech stating that I'll "forever be chasing my tail trying to get it right" where another firend of mine has told me the same thing you did. I know think it's lack of experience on my behalf and will definitely persist with the 4 port. Any hints will be appreciated. 14 psi spring in wastegate
  2. RNUMUK
    The problem you were experiencing is quite common with rotaries.........your engine was down on 6 pistons I have just managed to get the boost control to regulate at 21psi through the rev range, coming on at 2700 and holding.......4 port has been quite tricky. from 16-18degrees it increased by 40kw which is an indication it could take more timing - can't quite remember torque without pulling the screen up. At this point it was making 620 hp and 850nm. Just need to now work on upping and holding boost at 28psi to continue to tune.
  3. RNUMUK
    Thanks for all your advice and info. I have started to make some progress with tuning, still struggling to regulate boost as I'm running a 4 port solenoid which I'll be changing to a 3 port to simplify things. The best so far is 620hp - 820nm at 21psi. Once the boost is sorted I can then get some more boost in her(29psi max) and fine tune the fuel map. Hoping to see over 800hp. Will keep you posted.
  4. RNUMUK
    Hope this works https://www.dropbox.com/s/lmktugytb7e7gut/IMG_3003.jpg?dl=0tly
  5. RNUMUK
    7.4 should be my target lamda however power increase is not responding with timing and other adjustments so trying to keep it on the rich side for now. best power so far was 440kw with 1250nm of torque.......something here is not adding up. I’m assuming either the torque or power reading is incorrect. When I started to wind boost in the dyno actually started to lift at the rear showing the torque numbers are actually up there. I’m going to try and get the car on another dyno (preferably a hub) and see what happens. If it’s roller slip it will be obvious. dyno is a mainline 2wd600L
  6. RNUMUK
    Was trying to last night, couldn’t work out how to post with the required URL?? Please let me know how to post video/photo and I’ll flick some over
  7. RNUMUK
    Dyno is there for diesel tunes and upgrades. However never really take on petrol jobs due to lack of knowledge. Now that the cortina is done, I’m wanting to get my head around the haltech system and also the non diesel/boost tuning. I know this forum has a lot of experienced guys so assumed I’d be able to get some base info from.
  8. RNUMUK
    Totally agree with trying to get help through a tune shop. I have my own dyno and would like to get this process done on my own.....even with paid help from a tune shop. Unfortunately it seems like it’s majic they’re not willing to give the secret to. I understand that you tune using the MBT method starting from a safe 10 degrees or less under boost. At the moment I am tuning to 26psi and have changed timing from 12 to 14 with no change at all with afr at 7 the whole way through the rev range which I think is bang on however no increase in power or torque. No knock since fuel is E85 but am assuming that it should be able to take more timing. So instead of possibly “sending Rodney to the moon” I’m trying to get some other examples of timing to ensure that is where my max timing advance is. It just seems low with E85.
  9. RNUMUK
    Thanks for the info gents, I haven’t given all the info as this is my first time posting. tuning platform is an haltech elite 2500 and my tuning Backround is diesel and still fairly limited. I’ll post some pictures of the car
  10. RNUMUK
    Thanks for the reply and info. Any other ideas/suggestions would be appreciated. I’m trying to have a base limit from responses to avoid maybe overcooking it and sound damage. First time dyno and petrol tuner.
  11. RNUMUK
    Hi all, I’m new to the forum and have started up my bf atomic built Barra in a Te cortina. I have this on the dyno and I’m not real sure on ignition timing since my Backround mechanical knowledge is in the diesel field. Mods are listed below: Atomic built 698kw engine bosch 2200cc injectors twin Bosch 535 running E85 precision 76/75 PWR W2A cooler FG intake custom exhaust manifold turbosmart 60mm waste gate turbosmart bov 2 speed glide 4500 stall 3:5 9inch any help would be appreciated. Any tuning tips especially with timing. Thanks in advance.
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