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TBI Has MAF Sensor?

Discussion in 'General Chevy & GM Tech Questions' started by Z71xWytout, Oct 29, 2010.

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  1. Z71xWytout

    Z71xWytout New Member

    I have heard back and forth that the TBI motor has a MAF sensor and that it doesnt. I have a 94 Silverado K1500 350 TBI. Now i want to do the "Ultimate TBI mod" from www.tbichips.com and i told someone that i was going to do this but they said it would mess up the MAF sensor, then i asked someone else and they said it didnt have one. So does it or not.

    Thanks.
     
  2. MightyMax

    MightyMax Rockstar 100 Posts

    Some models may have a MAF sensor.
    My '91 does not have one on him.

    I am thinking that '94 models do not have the MAF installed on them.
     
  3. ejohnson03

    ejohnson03 Epic Member 5+ Years 1000 Posts

    My '94 does not have a MAF...

    I ended up getting a CHIP programed from PCMforless.com after making all of my modifications. Great price @ $219 shipped.
     
  4. wis bang

    wis bang Rockstar 100 Posts

    TBI uses a MAP sensor so the computer can determine the load on the engine.
     
  5. 54chev3100

    54chev3100 New Member

    All tbi motors were speed density, they used the MAP sensor, tps, and engine rpm to tune the vehicle.
     
  6. Z71xWytout

    Z71xWytout New Member

    So if i do this mod it wont mess anything up then? I just want my truck to breathe good with Spending a lot of money on a cold air intake that i might beable to make myself. It that makes since. I just want whats best for my baby. Lol
     
  7. wis bang

    wis bang Rockstar 100 Posts

    I took a 3.4l 'crate' engine approved for 2.8l carb engines and installed it into my '88 S-10. After figuring out it was running lean, I read how someone who did the swap w/ the 3.4l from a '94 Camaro added used 4.3l injectors to his.

    I went out and bought 2 new injectors and a TBI rebuild kit and later stuck a K & N in the air cleaner & flipped the lid [sounded great!] and ran it like that for years...

    One guy added a second air inlet tube to his air cleaner and some got the air inlets from mid 80's Cadillacs for more air...Your computer will adjust to the difference. It will handle up to 10% increase in HP but couldn't deal w/ the 20% increase on my swap...it would run and I got great gas mileage but wouldn't remember the fuel curve making each startup intresting & I felt I couldn't let my wife drive it...After the injector change it remembered and drove like a new truck.
     
    Last edited: Oct 31, 2010
  8. Z71xWytout

    Z71xWytout New Member

    Well i bought a hypertech chip a while back, i wonder if it will allow a Hp increase better than if i had the stock chip. Maybe i will just get a TBI spacer and take off that gold ring.
     

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