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  1. Bill USN-1

    Have any of you guys installed any of the fuel injected system carbs?

    Did you click on the link I provided? It shows the DIY TBI system. Complete bolt on TBI system with fuel and timing control is $1399.95 www.Hamiltonfuelinjection.com
  2. Bill USN-1

    Have any of you guys installed any of the fuel injected system carbs?

    Fuel injection can be expensive or economical. I have been showing guys how to convert from a carb for years. The difference can be night and day. There are really no more tune ups if the system is set up correctly. Only the changing of bad parts like filters, plugs and wires. Tune up intervals...
  3. Bill USN-1

    Fuel injection questions

    If you have any questions, don't be afraid to log in and post up over on the BP. I don't care what engine the TBI is bolted to and the ECM doesn't care either. Tuning is a very important part of an EFI conversion along with parts availability. I hate chevys but chose to use the GM EFI due to...
  4. Bill USN-1

    Torker II MPFI Build

    If your leaving the bung full length...I would be curious what injector you have chosen. There are many types with varying spray patterns. if a standard conical spray I would be concerned with it just dripping down the sides of the bung. kind of defeats the whole reason they atomize the fuel...
  5. Bill USN-1

    return line for EFI conversion

    OK you win... LOL Other than the specific flow rate of each inline pump, everything you describe with that pump applies to all inline "EFI" pumps. The pump is fine. It works and the prices are coming down on it now that there are so many others on the market. You can do a quick search for some...
  6. Bill USN-1

    return line for EFI conversion

    It works either way. I normally just return mine to wherever is convenient. But some recommend returning below the fuel like in most newer EFI tanks with intank pumps so there is less aireation and vapor as the fuel splashes back in the tank. But as you pointed out, the higher fuel level the...
  7. Bill USN-1

    return line for EFI conversion

    The TBI system operates on 13+-psi other than the 94-95 454 TBI which doubled the pressure and used smaller injectors for a little better atomization of the fuel. IIRC that regulator is about 35psi. The TBI has the regualtor built into the return side of the injectors in the throttle body...
  8. Bill USN-1

    return line for EFI conversion

    Unless referring to a specific Walbro pump...they are just another gerotor pump like most all EFI pumps. (GSL-392) The only difference in all of them is the flow rate and the inlet and outlet fittings. Nothing I know of makes them any better at lifting fuel. Most electric EFI pumps are listed...
  9. Bill USN-1

    return line for EFI conversion

    There are many ways to plumb these. I recommend a new 3/8 feed line and a 5/16 return. For the return back to the tank you have a couple choices. You can T into the filler vent tube but extreme caution must be taken to NOT cause any restriction for the vent or you will never get it filled at the...
  10. Bill USN-1

    Anyone know Holley Commander 950's? programming?

    I'm no engineer but I have been installing and running EFI for the last 14yrs. The pumps that are used for EFI are made for pushing fuel not lifting or drawing fuel. So they work best mounted as close to the tank and as low as possible. This allow the fuel to syphon feed to the pump so it does...
  11. Bill USN-1

    Anyone know Holley Commander 950's? programming?

    Now you know why they are always for sale on ebay and they are cheap. Using the throttle body as an upgrade for the factory GM throttle body was the only thing worth grabbing but even then you had to drill for the IAC and install the stock GM/Delphi injector pod on the Holley base to make it...
  12. Bill USN-1

    Anyone know Holley Commander 950's? programming?

    Some people think EFI is vehicle/engine specific but the system has no idea what it is bolted to so it can be used on any engine. i have used it on my classic mini cooper with DIS and on V8's with MPFI. Lots of options.
  13. Bill USN-1

    Anyone know Holley Commander 950's? programming?

    Sequential is kind of over hyped. On our engines designed for a carb it's sort of like putting lipstick on a pig. it makes it look better but your not really going to see any improvement. MPFI does improve the throttle response just like TBI improves over a carb. But sequential is just not going...
  14. Bill USN-1

    Anyone know Holley Commander 950's? programming?

    IMHO- you would be money ahead if you started with a GM based EFI system. It can be put together most of the time for less then buying those old holley systems and you will have a completely tuneable timing and fuel control system. WBO2 is nice but certainly isn't required. If you were...
  15. Bill USN-1

    opinions needed regarding available EFI for a small block

    Complete step by step installation and parts required to install GM TBI on most any engine is avail here. Including jkirks thread helping him sort his out. http://www.binderplanet.com/forums/forumdisplay.php?f=75 Just hit the faq's and find out what is needed and what isn't. After helping...
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