aftermarket injection
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aftermarket injection

  1. #1
    Senior Member jet pilot's Avatar
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    Default aftermarket injection

    I would like to replace the 850cfm edelbrock with an aftermarket injection system but with so many out there I'm not sure what to get. I'm running a bone stock 454 oval port heads and single carb. what do you all recommend. on this boat in my avitar.

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    Senior Member jet pilot's Avatar
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    bump

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    Senior Member wolfie's Avatar
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    Once I get a little money ahead, i was planning on going with this setup. Gotta have some sort of setup for the O2 sensors though. I think Lightning has sensor bungs. There's a few people here that have switched and can give some input.

    Carb-to-EFI Conversion Has Never Been EZer

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    Senior Member Futs's Avatar
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    Question is why? What are you looking to gain? Its a jet boat with a stock engine.

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    The Man cordog009's Avatar
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    As far as EFI, FAST is up at the top of the list IMO. I kinda wanna try EFI one of these days. Most of them seem to max out around 600hp for a single TB setup though.


    1984 Youngblood TX-19 SOLD

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    Senior Member moneysucker's Avatar
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    Quote Originally Posted by Futs View Post
    Question is why? What are you looking to gain? Its a jet boat with a stock engine.
    Why do you have to ruin a thread with logic? When you get some HP and need a bunch of air and fuel, I recomend Enderle. I think that the correct carb propperly set up will leave you with enough left over to do some upgrades elsewhere.

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  9. #7
    Senior Member wolfie's Avatar
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    My only reason for it is so I wouldn't have to rejet going to different lakes within and hour of here. Utah Lake is 4500' whereas Jordanelle Reservoir is 6100', and Strawberry is 7600'. It probably doesn't matter with my garbage scow though.

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    21 Daytona Outlaw's Avatar
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    Quote Originally Posted by wolfie View Post
    My only reason for it is so I wouldn't have to rejet going to different lakes within and hour of here. Utah Lake is 4500' whereas Jordanelle Reservoir is 6100', and Strawberry is 7600'. It probably doesn't matter with my garbage scow though.
    thats the biggest reason I went with EFI
    #55

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    Senior Member HomeBlown57's Avatar
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    I have about $4k in my unit on my boat. I am running turbos. I have also converted my 57 chevy which is also turbo'd. IMHO I would not efi unless I were going to turbo it.
    If you are actually fine tuning with a wideband on your carb. I would purchase adjustable metering blocks and tune for three elevations, one for each elevation record and adjust accordingly. If you are not using a wideband to tune the carbs then I say the tune would not be close enough to matter. There are a lot of advantages to the efi. Cost and complexity are NOT the advantages. I love my efi, but a properly tuned carb is VERY effective.

    IMHO
    Real tuning requires a wideband.
    Efi N/A is not cost effective.

  12. #10
    Senior Member HomeBlown57's Avatar
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    Metering blocks on a Holley, I believe the Holleys are much more tunable than an edelbrock.

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    Senior Member jet pilot's Avatar
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    the only reason I want to go fuel injection is the changes in elevation, the lakes around here range from 1000' to 6500' also looking for reliability and fuel consumption not really any HP gains.

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    Senior Member jet pilot's Avatar
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    what do you all think about Holly and Edelbrocks fuel injection systems.

  15. #13
    Senior Member HomeBlown57's Avatar
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    I am not sure of the edelbrock system. The Holley system is very effective for what you are doing. They have a few shortcomings for the performance world, but I say up to 450HP in your application would be great. Make sure that you get the closed loop addition when you order it. I don't know how familiar you are with efi. The closed loop portion is what will get you the mileage.

  16. #14
    Head Janitor FormulaZR's Avatar
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    This seems pretty cheap. You'd still need injectors (not that much $$$) and a fuel pump, return line, etc...but I don't know the quality of this setup in general...


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