WEIGHT vs HORSEPOWER

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  • President Clinton
    Senior Member
    • Aug 2007
    • 490

    #31
    Originally posted by perfconn View Post
    In the topless outlaw series last year that has all those engine options,the 525's didn't win a single race.
    Not sure “fuel” 525s ran many Topless races. I know Kenny Collins ran one and contended for the lead???? He also won pretty much every limited show in the southeast he entered with that 525 per DirtonDirt?

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    • perfconn
      Senior Member
      • May 2007
      • 3636

      #32
      Kenny is a really good driver but the facts don't change.The 525's didn't win a single race against the other engine options in the topless outlaw series.

      Comment

      • President Clinton
        Senior Member
        • Aug 2007
        • 490

        #33
        Originally posted by perfconn View Post
        Kenny is a really good driver but the facts don't change.The 525's didn't win a single race against the other engine options in the topless outlaw series.
        I can agree with that, but at the same time 525 won almost if not all Southeastern Late Model Series Races???? You just can’t consistently beat that fuel package with how light the motors are with an all steel motor. In the Topless series I would guess 90% were steel motors and I would also bet a large percentage will be spec aluminum heads this year???? If there was not an advantage Micheal Page would run steel instead of the 525 in the Super races that he uses his 525?

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        • let-r-eat
          Senior Member
          • May 2007
          • 2319

          #34
          What I see with the 525 is that the rpm window has to be smaller. I'd take 3 all day too. That 50 pound in front of the motor plate makes them at a disadvantage to a lightweight block option open engine. IMO
          BUCKLE UP NOW, YA HEAR?

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          • let-r-eat
            Senior Member
            • May 2007
            • 2319

            #35
            Originally posted by billetbirdcage View Post
            The thing that hurts the 525 (IMO) is usable RPM not being able to turn more the 7K sort of hurts the torque multiplication from a tall gear to keep rpm in check.
            I've found you need to gear them higher. 6. Open gearing = 6.42 525 gearing
            BUCKLE UP NOW, YA HEAR?

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            • ZERO25
              Senior Member
              • Aug 2018
              • 5240

              #36
              Whitener and Bronson wear them out around my area with the 525's. Whitener was the test pilot for ,Pace causing GM to switch to forged pistons!

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              • fastford
                Senior Member
                • Dec 2008
                • 4059

                #37
                all aluminium engines should never be allowed in any limited class...JMO...

                Comment

                • perfconn
                  Senior Member
                  • May 2007
                  • 3636

                  #38
                  Amen,brother.If they are sealed like they are supposed to be,noone would run one.

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                  • President Clinton
                    Senior Member
                    • Aug 2007
                    • 490

                    #39
                    Originally posted by perfconn View Post
                    Amen,brother.If they are sealed like they are supposed to be,noone would run one.
                    That is what killed steel/limited in our area. Fuel/Hendren rebuilds that are not GM specs
                    Bone stock 525 with rpm limits are turds,but them “series” rebuilds will run like a super!

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                    • ZERO25
                      Senior Member
                      • Aug 2018
                      • 5240

                      #40
                      Explain......Ive never heard anything about Hendren building illegal crates!

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                      • fastford
                        Senior Member
                        • Dec 2008
                        • 4059

                        #41
                        nothing new here , been going on since the first 602 hit the track.....

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                        • CCHIEF
                          Senior Member
                          • Jul 2014
                          • 399

                          #42
                          What is the cost of each , undressed?

                          Comment

                          • ZERO25
                            Senior Member
                            • Aug 2018
                            • 5240

                            #43
                            Originally posted by CCHIEF View Post
                            What is the cost of each , undressed?
                            That's the cheap part!

                            A 602 race ready from Hendren is $8700!

                            Comment

                            • President Clinton
                              Senior Member
                              • Aug 2007
                              • 490

                              #44
                              Originally posted by ZERO25 View Post
                              Explain......Ive never heard anything about Hendren building illegal crates!
                              They are not illegal in the “Fuel” series. They do not meet GM specs. They have different rods, pistons,pin height, oil pump, gaskets etc...... Fuel and Southern Late Model accept this rebuild, making a stock 525 useless. Not sure if Topless Outlaw series does this or not. Call Hendren, he will tell you it is a ls style but doesn’t meet GM specs. Welcome to sealed engines

                              Comment

                              • perfconn
                                Senior Member
                                • May 2007
                                • 3636

                                #45
                                525 must meet GM specs in Topless Outlaw Series

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