Unchained "Mark"?
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Unchained "Mark"?

  1. #1
    Senior Member steveo143's Avatar
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    Default Unchained "Mark"?

    How many and what size injectors are you running on your build on E-85? My build is a 622cu. BBC and I need to plumb an intake. Was thinking I will need 16 120lb. injectors for E-85 @ 6500 rpm. Maybe even 160lbs. Will be using a Richard Lee intercooler which has a tunnelram base.
    steveo143 AKA DiMarco 21 II



    Now totally Green on E-85, saving the world one ear of corn at a time!
    RIP Davey B and Denis and Chris and Bob GN7

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  3. #2
    Senior Member Hass828's Avatar
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    I believe that he is running eight 160lb injectors, but I'm sure that he will chime in and let us know for sure.
    From what I understand , if you go with the smaller injectors, the idle quality will be much better, then if you run 16 of 'em you'll have plenty fuel for big hp. Mark would be the one to say for sure though.

  4. #3
    Highaboosta Unchained's Avatar
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    Hey Steveo,
    I've been running the same set of eight 160# injectors for 6 seasons.
    I ran gas for 5 seasons and changed the fuel map to run E85.
    Eight 160 # injectors have enough flow for 1800 hp on E85 and 2000 hp on gas at 42psi fuel pressure. Fuel pressure can be increased to get more out of them.
    What HP level are you trying to achieve? How much boost are you going to run? It adds a significant level of cost and complexity running 16 injectors. Who recommended that to you?

    Like Hass said, too large or too many injectors will make the pulse width so small that idle quality can suffer.

    Here's a good thread to read through,
    http://www.theturboforums.com/smf/in...topic=119213.0

    Mark
    616 813 7237

    Twin Turbo 1800 HP V-Drive lake boat

    http://s621.photobucket.com/albums/t...t=MAH05771.mp4

    Quote Originally Posted by Trigger View Post
    No one cares about your buddies old antiquated garden hose technology.
    Quote Originally Posted by MAXIMUS View Post
    I think I could run more boost but it's a real hand full right now

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    Senior Member steveo143's Avatar
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    Thanks Mark. I have read through that thread several times and there seems to be some conflicted opinions. At 622cu.in. I thought I would be on the upper end of the duty cycle. I plan on using BS3 injection which supposedly has a good driver for multiple injectors. Was going to try for 25lbs. boost which should make 2500+hp. with twin GT4788's. Haven't bought turbos yet, still tossing around options and looking for a deal.
    steveo143 AKA DiMarco 21 II



    Now totally Green on E-85, saving the world one ear of corn at a time!
    RIP Davey B and Denis and Chris and Bob GN7

  7. #5
    Highaboosta Unchained's Avatar
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    Quote Originally Posted by steveo143 View Post
    Thanks Mark. I have read through that thread several times and there seems to be some conflicted opinions. At 622cu.in. I thought I would be on the upper end of the duty cycle. I plan on using BS3 injection which supposedly has a good driver for multiple injectors. Was going to try for 25lbs. boost which should make 2500+hp. with twin GT4788's. Haven't bought turbos yet, still tossing around options and looking for a deal.
    That engine will be a monster at that HP level. I see the dilemma on the injector size now. Is this going to be in a lake boat ?

    I'd really like to see someone else make a big turbo / EFI statement around here. The BS3 will make you a nice EFI system too.

    Twin Turbo 1800 HP V-Drive lake boat

    http://s621.photobucket.com/albums/t...t=MAH05771.mp4

    Quote Originally Posted by Trigger View Post
    No one cares about your buddies old antiquated garden hose technology.
    Quote Originally Posted by MAXIMUS View Post
    I think I could run more boost but it's a real hand full right now

  8. #6
    Senior Member steveo143's Avatar
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    Just a little lake boat, yes. I do plan on running it in the Parker 300, the wackers have to be put down. I was thinking that 8 212's would be enough but really haven't run the numbers yet. If 16 120's or 160's will do it the cost is the same or less and I wouldn't be pushing the upper end of the duty cycle or the fuel pressures. The problem with us boat guys is we need to make stuff work for more than a 1/4 mi. Most of the guys on the turbo forums are drag racers and don't understand what we need and don't need in a boat. We don't need a trans brake, we've got lots of water to control our hookup with gears and prop choices. I wish we could run a boat and a car on the same track with equal power, it would be interesting. I guess my main question is whether 16 120's or 160's would be the better choice. With E-85 and a R Lee intercooler I can probably push this safely to 25lbs. and 3000hp. This should push the boat to at least 130mph which for a 12* v-bottom daycruiser is a lot. I am doing several bottom mods and platemods to accomodate these changes as none of these bottoms were ever designed to go this fast. Twin outboard rudders are also being considered. Testing them on my 1/10 scale model rc boat, so far twin rudders rule.
    steveo143 AKA DiMarco 21 II



    Now totally Green on E-85, saving the world one ear of corn at a time!
    RIP Davey B and Denis and Chris and Bob GN7

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    Senior Member Jim W's Avatar
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    Does anyone have any input on running E-85 with the typical Enderle pump and a hat?

    I have a Biesemeyer flatty on methanol and am buying a 21' day cruiser and have an interest in putting it on E-85.

    Jim
    GN7
    Do you guys ever read anything I post, or just go straight for the throat?


    Got it wet on 6/15/10-------->finally......



    E-85 I'm saving the world--->8 thumps at a time

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    Hondo Jet blown540's Avatar
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    Dude...your nutz And I mean that as a compliment!

  11. #9
    Highaboosta Unchained's Avatar
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    With that much new equipment in the engine package you may want to consider setting the manifold up for two sets of injectors but just running one set for the first season or until all the bugs are worked out.
    That will also give you some time to see how the hull likes 1500 hp until you crank it up to the stratosphere.
    The life expectancy of a motor at the 2500+ HP level is not going to be real long.

    Twin Turbo 1800 HP V-Drive lake boat

    http://s621.photobucket.com/albums/t...t=MAH05771.mp4

    Quote Originally Posted by Trigger View Post
    No one cares about your buddies old antiquated garden hose technology.
    Quote Originally Posted by MAXIMUS View Post
    I think I could run more boost but it's a real hand full right now

  12. #10
    Senior Member steveo143's Avatar
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    Yeah, I agree. I will plumb for 16 injectors and start out conservatively for sure. Mark, what are you using for fuel pump and regulator?
    steveo143 AKA DiMarco 21 II



    Now totally Green on E-85, saving the world one ear of corn at a time!
    RIP Davey B and Denis and Chris and Bob GN7

  13. #11
    Highaboosta Unchained's Avatar
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    Quote Originally Posted by steveo143 View Post
    Yeah, I agree. I will plumb for 16 injectors and start out conservatively for sure. Mark, what are you using for fuel pump and regulator?
    I have been real happy with the cam drive Aeromotive pump. They make the same pump in belt drive or cam drive.
    I like mechanical fuel pumps because the flow changes with the rpm.
    Electrics flow the same at idle as WOT.
    That's a lot of fuel to bypass at idle.
    I have the fuel pump stacked on top of a Kuhl RR water pump.
    The Kuhl water pump is real...........so so.
    A belt drive mercruiser water pump might have been a better choice.

    With EFI you will need a small electric fuel pump for easy starting. A basic electric pump plumbed into the feed and pressure line with a check valve on the pressure line works fine. I have a button on the dash to put some pressure in the fuel rails and it will start in 1 revolution.

    The regulator I have is nothing special. It has worked OK but I probably should have gone with an Aeromotive from the start.

    Twin Turbo 1800 HP V-Drive lake boat

    http://s621.photobucket.com/albums/t...t=MAH05771.mp4

    Quote Originally Posted by Trigger View Post
    No one cares about your buddies old antiquated garden hose technology.
    Quote Originally Posted by MAXIMUS View Post
    I think I could run more boost but it's a real hand full right now

  14. #12
    Senior Member Hallett's Avatar
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    Thumbs up

    Your a good man Mark always willing to help out I sure enjoy your post's.
    you have some great info.

  15. #13
    Senior Member badbug3's Avatar
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    Quote Originally Posted by steveo143 View Post
    How many and what size injectors are you running on your build on E-85? My build is a 622cu. BBC and I need to plumb an intake. Was thinking I will need 16 120lb. injectors for E-85 @ 6500 rpm. Maybe even 160lbs. Will be using a Richard Lee intercooler which has a tunnelram base.
    what are u going to use for throttle bodies on the richard lee intercooler? Do u have a picture of them.

  16. #14
    Senior Member steveo143's Avatar
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    Quote Originally Posted by badbug3 View Post
    what are u going to use for throttle bodies on the richard lee intercooler? Do u have a picture of them.
    I plan on adapting an injector hat to serve as a throttlebody. Lots of plumbing to fabricate.
    steveo143 AKA DiMarco 21 II



    Now totally Green on E-85, saving the world one ear of corn at a time!
    RIP Davey B and Denis and Chris and Bob GN7

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