4.3 S10 Turbo

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Thread: 4.3 S10 Turbo

  1. #1
    5.3 Liter Vortec V8 fenderbender's Avatar
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    4.3 S10 Turbo

    Has anyone ever done that before? I mean a pretty simple turbo kit, pushing around 250-300hp, enough to move pretty quick, but not to much to tear the truck to shreads.

    I've come into some money and was thinking about doing this.

    I know some of you will say just put in a 350, but I've heard some horror stories about that at the dealership where I work, real pain in the groin as I've been told.

    Would it be just as easy to buy a turbo and do it myself? I'm fairly mechanically inclinded, all I don't know a whole lot about is what injectors to use and how to reprogram the computer.

    Thanks for all the help in advance!
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    4.4 Liter Supercharged Northstar bouda's Avatar
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    Re: 4.3 S10 Turbo

    I don't know if anyone makes a turbo kit for you. It shouldn't be that hard to find a supercharger though it wont be cheap. A turbo is more efficent, a supercharger is easier to install. A supercharger is better for low end power; it's better for a truck.

    That's the thing that made me mad about my '94 Zr2 I had, not enough power and ****ty MPG's.

    That being said I've been looking into a turbo for my four cylinder.

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    6.2 Liter LS9 Supercharged V8 Slideways's Avatar
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    Re: 4.3 S10 Turbo

    Try asking the guys at syty.net. Syclone and Typhoon motors are nothing to sneeze at. The best way to know how your engine is going to perform is to copy one that's already been built, and they'll probaly have the info you need.

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    Chevrolet VOLT F14CRAZY's Avatar
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    Re: 4.3 S10 Turbo

    I'd look into a remote turbo setup. It seems simple enough to engineer yourself
    '07 Subaru Forester 2.5X 5MT. Bought new. 164k miles. '05 Dodge Durango Limited Hemi AWD. Mom bought new. 90k miles. '74 Buick LeSabre Luxus convertible. 455/7.5L, Quadrajet, dual exhaust. '89 Buick Reatta. 3800 SII L67/F40 six speed swap to be completed someday.

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    4.4 Liter Supercharged Northstar bouda's Avatar
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    Re: 4.3 S10 Turbo

    I wonder if a supercharger from a 3.8 would bolt up yo the 4.3. They're both 90deg engines correct?

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    Chevrolet VOLT F14CRAZY's Avatar
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    Re: 4.3 S10 Turbo

    That is true but the 3800 is a "Buick V6" not a "SBC"
    '07 Subaru Forester 2.5X 5MT. Bought new. 164k miles. '05 Dodge Durango Limited Hemi AWD. Mom bought new. 90k miles. '74 Buick LeSabre Luxus convertible. 455/7.5L, Quadrajet, dual exhaust. '89 Buick Reatta. 3800 SII L67/F40 six speed swap to be completed someday.

    '87 BMW K75. Pichler V1 fairing. '87 Kawasaki 650SX. '85 Bayliner Capri 1952. 3.0L OMC. Restored. '71 Chris Craft Coho 33'. Twin 327QA's. Basketcase but restoration in progress. '70? Amphicat 6x6 AATV. 13 hp Honda swap.

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    GMI Staff Member Premium Member shadams's Avatar
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    Re: 4.3 S10 Turbo

    I would look at a bolt on Vortech Supercharger rather then a turbo, at least as far as ease of install and reliability. I havent seen a turbo "kit" for the 4.3, everything I have seen has been modded from something else to work, and there is a lot of tinkering to do to get it all right. A Vortech would bolt on and be designed for that engine.

    But yea, there are forums all over the place with people that could better answer your question, as I am sure you know. Good luck!
    "Contrary to common belief, planning is complicated and is not run by complete idiots, so you'll just have to trust that the decisions were made on good information that's not made available to you."

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    6.0 Liter L76 V8 61BelAir's Avatar
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    Re: 4.3 S10 Turbo

    Gotta love those old Syclones, they were bad ass for their time. Have you checked with STS to see if they have an application?

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    3.6 Liter SIDI V6 SuperSS27's Avatar
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    Re: 4.3 S10 Turbo

    If you are looking for a nice 4.3L Turbo setup cruise over to S10forum.com They have a few turbo builds going on over there. Personally id recommend a remote turbo. Fueling is the main issue with the 4.3L. There are no aftermarket injectors you can upgrade to.

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    Re: 4.3 S10 Turbo

    Quote Originally Posted by SuperSS27 View Post
    If you are looking for a nice 4.3L Turbo setup cruise over to S10forum.com They have a few turbo builds going on over there. Personally id recommend a remote turbo. Fueling is the main issue with the 4.3L. There are no aftermarket injectors you can upgrade to.
    hehe- get one of these :

    http://farm4.static.flickr.com/3191/...0fa2a9c9_o.jpg

    http://farm3.static.flickr.com/2238/...9e6f1094_o.jpg

    http://farm4.static.flickr.com/3259/...ee7dd8bf_o.jpg

    http://farm3.static.flickr.com/2317/...88dd21c9_o.jpg

    Picked one off ebay for $200- you can upgrade the injectors. Fits all new vortech motors. Just have to make a few changes. They put these intakes on the Mercrusier boats.

    The Spider injectors sucks, very expensive

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    3.0 Liter SIDI V6
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    Re: 4.3 S10 Turbo

    Quote Originally Posted by fenderbender View Post
    Has anyone ever done that before?
    Yes, it's been done... Here's the high points:

    Relocate battery
    Walbro fuel pump
    Marine intake manifold
    SyTy exhaust manifolds
    SyTy turbocharger
    Custom downpipe
    HPTuners PCM tune

    Sorry to revive an old thread, I came across it on Google.
    Thought I might interject the highlights for folks interested.
    Turbocharged 4.3 S10

  13. #12
    3.0 Liter SIDI V6
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    Re: 4.3 S10 Turbo

    Quote Originally Posted by SuperSS27 View Post
    Fueling is the main issue with the 4.3L. There are no aftermarket injectors you can upgrade to.
    The marine intake swap isn't too bad.
    I run some overkill MotoTrons on mine.
    Turbocharged 4.3 S10

  14. #13
    R2-D2 Astromech Droid Smaart Aas Saabr's Avatar
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    Re: 4.3 S10 Turbo

    If no other injectors fit couldn't you just drill the holes bigger or sleeve them down?

  15. #14
    3.0 Liter SIDI V6
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    Re: 4.3 S10 Turbo

    Quote Originally Posted by Smaart Aas Saabr View Post
    If no other injectors fit couldn't you just drill the holes bigger or sleeve them down?
    I don't think so, have you ever seen a 4.3 injector setup?
    Turbocharged 4.3 S10

  16. #15
    R2-D2 Astromech Droid Smaart Aas Saabr's Avatar
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    Re: 4.3 S10 Turbo

    Can't say I have, the one I always screwed with was a TBI... what is special about it?

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