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  • The GTP Block (l67)

    I did a lot of searching around the site. Looks like the L67 can take a good amount of power. I have a 95 Bonnie SSEi, The Blown 3.8 with the M60 blower I belive. Now I know its not a GTP but is it the same block/Engine L67? I was wanting to get a L67 and put the short block in my F-body. So what cars did the L67 come in?

    Thanks fellas,
    Kyle~
    If it cant Flow it, FORCE it!<br /><br />1999 M5 Camaro RS. Boost is on the way. Cartech FMU, 255 intank, T3/T4 BB 62-1 , Stage 5 turbine wheel .63 A/R.

  • #2
    I think the 95 may have been the series I...
    1997 Chevrolet Camaro v6 - 13.8@104MPH
    1997 Dodge Viper GTS

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    • #3
      Originally posted by AZ3.8Camaro:
      I think the 95 may have been the series I...
      Ok,
      What if it was a 98 Bonnie SSEi? That is the same motor as the GTP yes?
      If it cant Flow it, FORCE it!<br /><br />1999 M5 Camaro RS. Boost is on the way. Cartech FMU, 255 intank, T3/T4 BB 62-1 , Stage 5 turbine wheel .63 A/R.

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      • #4
        As far as i know, yes.
        -Kevin<br /><a href=\"http://heinz.no-ip.com/Car%20Pics/IM000117.JPG\" target=\"_blank\"><b>\'96 White Camaro RS M5</b></a> <br />GTP Shortblock - T3/T4 -6psi Intercooled<br />Open Downpipe

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        • #5
          95 with a M62 blower is series 1 and is not an L67, but the 98 SSEI is. [img]smile.gif[/img]
          92 S10 3800 A4(96)<br />1/4: 14.374 @ 92.25 w/ 1.976 60\'<br />Turbo and 12\'s Coming Soon!

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          • #6
            the block in a GTP (L67) is the same as the L36. The only difference is the piston/connectingrod/crank assembly. If you really want to rebuild your L36 as an L67, go for it - but its not needed unless you intend to go superhigh PSI on the motor. These engines will perform fine on stock L36 internals for a very long time on intercooled boost.
            2002 5-spd NBM Camaro
            Details: www.1lev6.com

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            • #7
              gtp internals are the cheapest way to go for a lower cr and forged pistons and rods (the crank is the same from what i understand). Also the heads are different too but there is no performance difference between the two.
              2001 Arctic White Firebird With Black Drop Top<br /><br />3:42 Gears<br />Zexel LSD<br />BMR upper A-Arms<br />Trans Am exhaust with 3\" I-pipe and cutout<br />Modified intake<br />Mecham Hood<br />Trans Go shift kit<br />Making rear control arms and panhard

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              • #8
                Thats cool I was going to get an extra motor for when I blow this one up ;) . I was lookin for a L67 Short block so I dont have to switch around internal parts.
                If it cant Flow it, FORCE it!<br /><br />1999 M5 Camaro RS. Boost is on the way. Cartech FMU, 255 intank, T3/T4 BB 62-1 , Stage 5 turbine wheel .63 A/R.

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                • #9
                  Originally posted by T-Punk:
                  gtp internals are the cheapest way to go for a lower cr and forged pistons and rods (the crank is the same from what i understand). Also the heads are different too but there is no performance difference between the two.
                  The pistons are not forged, they are hypereuretic just like the L36, but they are stronger. [img]smile.gif[/img]
                  92 S10 3800 A4(96)<br />1/4: 14.374 @ 92.25 w/ 1.976 60\'<br />Turbo and 12\'s Coming Soon!

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                  • #10
                    Originally posted by RedFrk13:
                    </font><blockquote>quote:</font><hr />Originally posted by T-Punk:
                    gtp internals are the cheapest way to go for a lower cr and forged pistons and rods (the crank is the same from what i understand). Also the heads are different too but there is no performance difference between the two.
                    The pistons are not forged, they are hypereuretic just like the L36, but they are stronger. [img]smile.gif[/img] </font>[/QUOTE]They are not forged thats right but how are they stonger?

                    You can run more boost with out detonation which will increase hp, but they are not stronger.

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                    • #11
                      Originally posted by Drone51:
                      </font><blockquote>quote:</font><hr />Originally posted by RedFrk13:
                      </font><blockquote>quote:</font><hr />Originally posted by T-Punk:
                      gtp internals are the cheapest way to go for a lower cr and forged pistons and rods (the crank is the same from what i understand). Also the heads are different too but there is no performance difference between the two.
                      The pistons are not forged, they are hypereuretic just like the L36, but they are stronger. [img]smile.gif[/img] </font>[/QUOTE]They are not forged thats right but how are they stonger?

                      You can run more boost with out detonation which will increase hp, but they are not stronger.
                      </font>[/QUOTE]you can run more boost beacuse the C/R is lower. our cars are 9.4:1 the L67 is 8.5:1
                      www.turbov6camaro.com
                      1997 3800 Series II Camaro
                      4600 Stall for my ride to the mall :chug:
                      7.18 @ 99.77 1/8 -1.8x sixty (current quickest v6 fbod)
                      11.23 @ unk 5 1/4 - 7.19 1/8 - 1.83 sixty

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                      • #12
                        Originally posted by Drone51:
                        </font><blockquote>quote:</font><hr />Originally posted by RedFrk13:
                        </font><blockquote>quote:</font><hr />Originally posted by T-Punk:
                        gtp internals are the cheapest way to go for a lower cr and forged pistons and rods (the crank is the same from what i understand). Also the heads are different too but there is no performance difference between the two.
                        The pistons are not forged, they are hypereuretic just like the L36, but they are stronger. [img]smile.gif[/img] </font>[/QUOTE]They are not forged thats right but how are they stonger?

                        You can run more boost with out detonation which will increase hp, but they are not stronger.
                        </font>[/QUOTE]Yeah, the pistons probably are not much stronger, but the rods are and also the wrist pin. I hear that is the weak point of the L36. L67s chip pistons all the time, so they probably are not much stronger than ours.
                        92 S10 3800 A4(96)<br />1/4: 14.374 @ 92.25 w/ 1.976 60\'<br />Turbo and 12\'s Coming Soon!

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                        • #13
                          Check out stefans site I beleive he has side by side pics of l36 vs l67 rods and pistons.
                          Turbocharged and intercooled.<br />17psi(oops), stock fuel pump, no FMU<br /> <a href=\"http://www.cardomain.com/id/phoenix64\" target=\"_blank\">http://www.cardomain.com/id/phoenix64</a> <br />Video: <a href=\"ftp://ftp.pfabrication.com\" target=\"_blank\">ftp://ftp.pfabrication.com</a> Assorted car ****: TurboCamaroFull.

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