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Thread: 5.7L (350) EFI V8 engine

  1. #1
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    5.7L (350) EFI V8 engine

    My stepson just bought a 1994 Chevrolet Suburban and it says it has a 5.7L (350) EFI V8 engine but when he looked it had a carburetor, not being familar with chevys I was under the assumption that EFI meant it had a throttle body. Can anyone clarify this please. Thanks

  2. #2
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    bradrhale's Avatar
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    94 was TBI FI. it has 2 injectors in the throttle body unlike the 96 that has 8 different injectors located somewhere other than in the throttle body. it is possible someone has taken off the throttle body injection and went back with a carb. if this be the case, it was probably because they couldnt solve a problem and the only way out was to go with a carb setup.

  3. #3
    Senior Member Wyley87's Avatar
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    tb can appear to be a carb take the top of the air cleaner off should have two injectors if TBI
    96 GMC C1500 305 2WD
    K&N FIPK C.A.I.
    Rebuilt Motor and Trans
    Mobil 1 15w50/Mobil 1 Filter

    05 Nissan Xterra 4.0 V6
    Royal Purple 5w30/Mobil 1 Filter

    Cost money to go fast...How fast do you wanna go?

  4. #4
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    bradrhale's Avatar
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    beat ya by a minute.

  5. #5
    Senior Member Wyley87's Avatar
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    i would have had it there but i acidently hit my wireless button on my laptop and turn my internet off. :P
    96 GMC C1500 305 2WD
    K&N FIPK C.A.I.
    Rebuilt Motor and Trans
    Mobil 1 15w50/Mobil 1 Filter

    05 Nissan Xterra 4.0 V6
    Royal Purple 5w30/Mobil 1 Filter

    Cost money to go fast...How fast do you wanna go?

  6. #6
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    Thanks guys

  7. #7
    Senior Member Crmzendrgone's Avatar
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    TBI throttle body injection


    Should look like this for TBI

    Ha one up all you with pic.
    sig by crmzendrgone

  8. #8
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    Thanks for the pic mate, Im familar with throttle body injection just not with Chevy's

  9. #9
    Senior Member Wyley87's Avatar
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    yes they should look just like that just not a dirty
    96 GMC C1500 305 2WD
    K&N FIPK C.A.I.
    Rebuilt Motor and Trans
    Mobil 1 15w50/Mobil 1 Filter

    05 Nissan Xterra 4.0 V6
    Royal Purple 5w30/Mobil 1 Filter

    Cost money to go fast...How fast do you wanna go?

  10. #10
    Senior Member Crmzendrgone's Avatar
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    Ha had you thinking that was my TBI is is actually cyberpine's TBI trust me mine is clean.
    sig by crmzendrgone

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