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Type: Posts; User: Dunksterp

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  1. Replies
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    So the mixture is controlled by two (idle and WOT...

    So the mixture is controlled by two (idle and WOT basically) screws on the LPG mixer, that sits on top of the TBI unit. It works by vacuum as you open the throttle, the vacuum opens the LPG mixer...
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    Disabling IAC on 7747 for diagnostics??

    Hey guys,

    I've installed LPG on my Chevy G20, it's a 350 TBI, I'm using an Ostrich 2.0 (with socketbooster) to control the 7747 ECM (mainly the spark tables). I've also installed an Innovate LC1...
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    3,438

    The TPS Voltage looks ok to me? I live in a built...

    The TPS Voltage looks ok to me? I live in a built up area, so was only able to get up to about 30 mph at part throttle. The IAC steps on the other hand look crazy high and seem to just steadily rise....
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    Hey, Just managed to record a quick log file...

    Hey,

    Just managed to record a quick log file or idling, then going for a 5 minute drive down the road and back. It was idling high at 1000 rpm before, but once returned it wanted to sit at...
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    Advise tuning 7747 ECU on '92 Chevy Van

    Hey all,

    So after the debacle's previously, I'm now back at square one (almost). I now have a 7747 ECU, which I'm controlling using an Ostrich 2.0.

    Vehicle is a 92 Chevy G20 van, 5.7 700R4...
  6. I'm in the UK, so just swapping them isn't quite...

    I'm in the UK, so just swapping them isn't quite as easy for me. There's a guy in the UK who specialises in Chevy Vans, I've asked him what he's got, but still waiting on a reply.
  7. So I put my meter across those pins, and it tones...

    So I put my meter across those pins, and it tones instantly. Not a good sign I guess. This is a 299 ECM. But I guess they're pretty similar?
  8. The wires are because there are a couple of...

    The wires are because there are a couple of damaged tracks on the board. Which doesn't help matters.

    I'm not having much luck with this man. And to help matters further, I'm based in the UK so...
  9. Right, so I don't think it's actually recognising...

    Right, so I don't think it's actually recognising anything in the board. Either the chip or the Ostrich. I've just gone through and checked the soldering (I paid someone to do it) and two pins next...
  10. Help! Unable to datalog since Installing socket onto PCM.

    Hey all,

    Me again, sorry for flooding with posts but I'm trying to get to the bottom of all of this.

    Since I've put a socket onto my PCM (so I can use a socketbooster and ostrich 2.0) I'm not...
  11. Hey, are you able to share the bin file with me?...

    Hey, are you able to share the bin file with me? Be interested to give it a try.

    Many thanks
  12. Tuning help with Ostrich 2.0 and '92 Chevy G20 350 TBI with LPG installed...

    Hey guys,

    You helped me out in a previous post here and advised me to grab the Ostrich 2.0 and the required gubbins.
    ...
  13. I'm not sure if this will be seen here, or if...

    I'm not sure if this will be seen here, or if it'll just stay buried? Either way, I've just purchased the Ostrich 2.0 and all the various gubbins required to get it working with my PCM. I'd like to...
  14. OK, so I remove the original chip holder and...

    OK, so I remove the original chip holder and solder in the 24 pin DIP socket. Then do I just plug the Ostrich 2.0 into that socket? From there I assume I then need to load a tune, or base map into it...
  15. So list of things I need to buy : 1 x ZIF socket...

    So list of things I need to buy :
    1 x ZIF socket
    1 x Socket Booster 1.0
    1 x 'Ostrich 2.0

    Then do I do the soldering method on my own chip, or do I need the 27SF512 chip to convert my 16146299?
  16. I'm happy to solder, so long as we're not talking...

    I'm happy to solder, so long as we're not talking micro computer stuff. As long as I can do it with the naked eye, I'm good. Is there a guide anywhere I can read and see if I'm comfortable with the...
  17. Unless I'm reading you wrong, you said YES! but...

    Unless I'm reading you wrong, you said YES! but then described two methods that aren't plug and play? So what method would I use? Would be easiest?
  18. Hold the phone! So I could purchase that and tune...

    Hold the phone! So I could purchase that and tune on the fly? Like you can with say something from the 21st Century? That'd allow me to customise the spark table and, well the fuel table? It might...
  19. I do like the idea of being able to use the TBI...

    I do like the idea of being able to use the TBI ECM to control the timing, I assume it'd give me a hell of a lot more control than using a dizzy. I've already got an ALDL cable and use it with my...
  20. '92 Chevy G20 350 SBC TBI with LPG installed...

    Hey guys, I've converted my 92 Chevy G20 to LPG, I'm using an Impco 425 Mixer and it's running reasonably well, but I'm considering completely either ditching the TBI system for a throttle plate and...
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