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Is a tune required for a throttle body

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  • Is a tune required for a throttle body

    If possible I'd like to use my BBK TB on the new engine. I believe the guy told me it was just the next step up from stock. My question is, is a tune required for this? My mechanic says the comptuer should be able to tell, but I've talked to EVI and they said I'd have to get the car tuned. So basically I want to get more opinions rather or not I would need a tune. If I need a tune I'll just be selling it.

    Thanks in advance!


  • #2
    I've always been told any time you change something that affects how much air is being pumped into the engine or out of the engine, a tune is a good thing to have done.
    - Brian Meissen
    Owner, MiFBody.com
    Administrator, LTxTech.com


    1994 Camaro LT1 Transplant - 357ci LT1, cammed, stalled, and driven.
    2022 Camaro LT1 - "Cherry Bomb 2"
    Michigan FBody Meet & Greet Car Show 2022
    June 4th, 2022 - 9am to 3pm!!!
    The HUB Stadium, Auburn Hills, MI

    Comment


    • #3
      are you an A4 or M6? a tune will be best, but if you are an A4 it will be necessary

      Comment


      • #4
        ????? really, I have swapped out a few with no issues whatsoever LT1 cars sucks balls
        Doing less with more


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        • #5
          Originally posted by SoulTerror View Post
          If possible I'd like to use my BBK TB on the new engine. I believe the guy told me it was just the next step up from stock. My question is, is a tune required for this? My mechanic says the comptuer should be able to tell, but I've talked to EVI and they said I'd have to get the car tuned. So basically I want to get more opinions rather or not I would need a tune. If I need a tune I'll just be selling it.

          Thanks in advance!
          mark doesnt your car need a tune anyway... why not just wait until you can get the tune to put the TB on???




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          • #6
            thinking about it more unless hes getting a new PCM he will need a retune because hes not going to run that cam.
            Doing less with more


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            • #7
              hes putting a stock motor back in...then putting the new TB on the stock motor.

              EVERY car will benefit from a good tune. I would just put it on and be done with it, after you do more mods, go get it tuned.
              $500.00 to spend every time you change something can get pretty $$$$ in my book. I know you have your headers (I hope your going to put back on).

              Your performance might suffer a little, but until you get the $$ for the tune just stick it on and drive.
              sigpic

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              • #8
                As stated earlier, if its an automatic transmission, you cant just put it on, it will mess up your shifts. I dont know what transmission he has, but IMHO a stock motor will not benefit from a larger throttle body. Id sell it and spend the money else where, cause it sounds like money is kinda tight on this unexpected swap. Eric L

                1997 Camaro SS #2819 M6, Red, 3.42, 1 of 27, Ttops, BBK shorty headers, Flowmaster cat back, 1.6 rr, LT4 valve springs, ASAM CAI, Centerforce clutch, runs 12s, breaks 10 bolts.
                http://s602.photobucket.com/albums/t...20Camaro%20SS/


                1963 Plymouth Valiant Signet 200, 6.0 LS3, Carb, Rapid Motorsports Dominator 2X cam.
                http://s602.photobucket.com/albums/t...uth%20Valiant/

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                • #9
                  His car is an auto
                  sigpic
                  1992 Chevy Camaro 25th Anniversary-SOLD
                  1992 Chevy Camaro 25th Anniversary
                  1997 Chevrolet Corvette

                  The Original
                  Originally posted by meissen
                  I actually agree with Darren on everything he said...
                  Originally posted by 81DaytonaPaceCar
                  Yep, pretty much...not too often I agree 100% with Darren, but there it is...


                  Comment


                  • #10
                    anything that significantly changes the volumetric efficiency of an engine requires a tune.

                    Chances are that throttle body isnt even close to being a choke point for flow, so unless you have a cam, ported heads, intake, and an LS1 lid you arent telling anyone that are outflowing the capacity of a stock throttle body... no you dont need a tune.
                    Last edited by JoeliusZ28; April 7th, 2010, 02:23 PM.
                    -Joel
                    1995 Z28 M6 - AI226/234 - autocross ricer
                    1984 Scottsdale K10 - 305/4bbl/4spd


                    WTB List:Midwest Chasis DS Loop

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                    • #11
                      So, in other words, keep the stock throttle body. Eric L

                      1997 Camaro SS #2819 M6, Red, 3.42, 1 of 27, Ttops, BBK shorty headers, Flowmaster cat back, 1.6 rr, LT4 valve springs, ASAM CAI, Centerforce clutch, runs 12s, breaks 10 bolts.
                      http://s602.photobucket.com/albums/t...20Camaro%20SS/


                      1963 Plymouth Valiant Signet 200, 6.0 LS3, Carb, Rapid Motorsports Dominator 2X cam.
                      http://s602.photobucket.com/albums/t...uth%20Valiant/

                      Comment


                      • #12
                        Originally posted by JoeliusZ28 View Post
                        anything that significantly changes the volumetric efficiency of an engine requires a tune.

                        Chances are that throttle body isnt even close to being a choke point for flow, so unless you have a cam, ported heads, intake, and an LS1 lid you arent telling anyone that are outflowing the capacity of a stock throttle body... no you dont need a tune.
                        Was coming in here to say exactly that - on an LT1 there's no real reason to upgrade the throttle body unless you're pushing some serious horsepower.
                        - Brian Meissen
                        Owner, MiFBody.com
                        Administrator, LTxTech.com


                        1994 Camaro LT1 Transplant - 357ci LT1, cammed, stalled, and driven.
                        2022 Camaro LT1 - "Cherry Bomb 2"
                        Michigan FBody Meet & Greet Car Show 2022
                        June 4th, 2022 - 9am to 3pm!!!
                        The HUB Stadium, Auburn Hills, MI

                        Comment


                        • #13
                          I have found that people over think and over spend often when doing bolt ons. The KISS theory applies to our cars, and works well......................very well. Eric L

                          1997 Camaro SS #2819 M6, Red, 3.42, 1 of 27, Ttops, BBK shorty headers, Flowmaster cat back, 1.6 rr, LT4 valve springs, ASAM CAI, Centerforce clutch, runs 12s, breaks 10 bolts.
                          http://s602.photobucket.com/albums/t...20Camaro%20SS/


                          1963 Plymouth Valiant Signet 200, 6.0 LS3, Carb, Rapid Motorsports Dominator 2X cam.
                          http://s602.photobucket.com/albums/t...uth%20Valiant/

                          Comment


                          • #14
                            Yup... throttle body, intake manifold, MAF... all components that usually don't need to be replaced and work fine until you're pushing close to 500...
                            - Brian Meissen
                            Owner, MiFBody.com
                            Administrator, LTxTech.com


                            1994 Camaro LT1 Transplant - 357ci LT1, cammed, stalled, and driven.
                            2022 Camaro LT1 - "Cherry Bomb 2"
                            Michigan FBody Meet & Greet Car Show 2022
                            June 4th, 2022 - 9am to 3pm!!!
                            The HUB Stadium, Auburn Hills, MI

                            Comment


                            • #15
                              Ok stock it is. Thanks everyone!!!

                              I'm going to have a 94 LT1 motor out of a Caprice put in. It'll be stock except for the headers and exhaust. My mechanic said he was going to put my intake on as well, not sure why on that. He wanted to put my aluminum heads on until he took them apart last night, but that's another thread.

                              I also have a stock PCM from the old owner, plus the engine I'm getting is suppose to be complete including the PCM. So I'm going to have a total of 3 PCM's. 2 will be going for sale after the car is going.

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