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turbo on 10.5:1

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    #31
    Originally posted by ar design View Post
    Consistency isnt the idea. E85 burns far cooler and has a much higher octane rating (105) than pump gas. Way more headroom when you are tuning.

    Anything below 9:1 is pretty pointless. Why would you run below that, especially on a low boost motor? My 2.1L hybrid/frankenstein VW stroker motor is setup at 10:1 and we are shooting for 900whp at 40+psi. Its all in the tune and knowing what youre doing
    If the OP wants 250whp, there is no need to use forged pistons if the tune is good. Therefore, stock compression is what he has to work with... which is below 9:1. If you are going to run forged pistons, sure, raise compression... but the stock compression is low, and quite safe with a good tune. Stock low-end power isn't terrible with these cars either.






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      #32
      Originally posted by deevergote. View Post
      If the OP wants 250whp, there is no need to use forged pistons if the tune is good. Therefore, stock compression is what he has to work with... which is below 9:1. If you are going to run forged pistons, sure, raise compression... but the stock compression is low, and quite safe with a good tune. Stock low-end power isn't terrible with these cars either.
      Agreed. Statement was made with the assumption that the motor was being built.

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        #33
        The initial post DOES suggest a build... but the OP's goal can be reached safely without running forged internals.






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          #34
          Originally posted by deevergote. View Post
          The initial post DOES suggest a build... but the OP's goal can be reached safely without running forged internals.
          Yup. Building my setup on a stock longblock, shooting for 300whp. We shall see

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            #35
            Originally posted by ar design View Post
            Yup. Building my setup on a stock longblock, shooting for 300whp. We shall see
            You sound like you know quite a bit... so it's certainly doable! I think we've seen 400whp on a stock block. That was a track car only, though... and it DID eventually give out. But it put up with quite a bit of abuse before it did!






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              #36
              Originally posted by deevergote. View Post
              You sound like you know quite a bit... so it's certainly doable! I think we've seen 400whp on a stock block. That was a track car only, though... and it DID eventually give out. But it put up with quite a bit of abuse before it did!
              I don't expect it to last forever. Its just kind of a fun project, I have a few other cars so no big deal. Need an excuse to build a forged motor anyways And I will probably tool around on 200whp, turn it up with an EBC when I need it.

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                #37
                Originally posted by joe_bernardi View Post
                Yes I will be rebuilding my f22a with forged pistons and rods. will I be able to do this on 91 octane they don't have 93 in sacramento ca.
                I think I was at a Shell station and they had 93, I think it might have been in Natomas. I know I've seen it in Sac someplace.
                1992 Prelude S w/swapped H22A

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