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    #1

    boost

    does anyone know how much a stock block and internals will handle boost wise?? i read that stock everything will handle up to 17 or 18 psi and it didnt sound right but thats just me
    Tags: None
    #2
    Boosting a stock block CAN break ringlands as the motor sees boost, otherwise it could last 10 seconds or two years, but the ringlands will break eventually even with the most awsome tune in the universe. If your going to boost invest in forged internals.
    PT3/6 Development Thread | My 1991 LX Coupe | DIY: 90-93 Tcu Fix

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      #3
      true rumor has it that a stock block can handle 6-10lbs of boost safely but i havent seen the sheets to prove it

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        #4
        Cálmate boost lee

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          #5
          PSI varies from turbo to turbo. 10psi using a T25 will be considerably different from 10psi using a T4 (and I'm being vague here...)

          With commonly used turbos, such as the Mitsubishi 14b, 6-10psi has been done.
          However, you WILL break a ringland with stock pistons. If you bothered searching at all on this site, you'd have seen that a number of times... as I myself have said this exact same thing in at least two dozen conversations in the past year alone.






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            #6
            opens thread drops this and leaves.....



            my new turbo build

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              #7
              ^ that definatley changed my mind about boosting with stock internals

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                #8
                Im not familiar with all the work involved with boosting properly, but I know its a lot of work, time, money, sweat, blood(well maybe not too much of this hopefully) and research. Just be aware of that.

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                  #9
                  It's not THAT much... spend more money and have someone else do the things you don't know how to do.






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                    #10
                    PM turbo90accord, if I remember right he once said he ran 14 psi or so (not sure on the model turbo, going back to deeve's original post) for a few years on stock internals without issue before wanting to go bigger. A lot of it has to do with the quality of the tune.

                    Accord Aero-R

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                      #11
                      Originally posted by devyncb7 View Post
                      does anyone know how much a stock block and internals will handle boost wise?? i read that stock everything will handle up to 17 or 18 psi and it didnt sound right but thats just me
                      4 or 6 lbs and ull be ok for a while depending on the current overall health of the motor. its not a simple yes or no answer. there are countless number of variables involved.

                      bottom line in any case
                      frostwhite225@gmail.com =VENMO


                      http://www.youtube.com/watch?v=NOB38zJu66o

                      [COLOR="Magenta"]

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                        #12
                        Keep in mind, anyone that has "gone years" without blowing a ringland has also installed the turbo many years ago! These engines are ALL over 20 years old now. Many of them are ailing without any performance modifications!

                        The bottom line is, no matter what turbo, no matter how much boost, no matter how perfect the tune is... you WILL break a ringland. Maybe in a day, maybe in a year. The older these engines get, the shorter that time will be. If it is your first time boosting, and you're trying to do it on a budget, that's two more strikes against you... as you'll be cutting corners and learning as you go.






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