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  • Sorry to read about your machine shop problems Rob. Unfortunately in general I think machine shops have a similar reputation such as body n paint shops acrossed the board. There are some good ones and not so good ones. Usually on time frames if they say 6 weeks it'll usually be a minimum of 6 months to get stuff back. Luckily I have a local drag racer about an hour from me that builds race engines on the side at his house. He can do everything except turn cranks and balancing in-house. He's reasonable and honest which seems to be a rarity these days.
    79 Stang, full cage,mini-tubbed,396"W,G-Force G-101 4 spd,4.56's, tagged street/strip 10.28@129.3
    69 Stang Vert
    69 Stang Coupe
    92 Stang 5.0 LX
    other DD's

    Comment


    • Updation time.
      I called the shop Tuesday. Got the same song and dance of "we've got your block cleaned up and are going to get it filed today or tomorrow."
      Really? 3 weeks ago you said it would done in a couple of weeks and you just now "cleaned the block up"?
      I asked him if he had checked the crank yet? He kind of stammered around and finally said, "call me back friday and I will have more news for you."
      I hung up, and was not happy. 3 months and they hadnt touched anything yet. A buddy of mine who has a repair shop up by their second location (the one the owner works out of), has been taking stuff to them and getting it back pretty quickly. I sent him a message, just venting about how it would be August before anything was done and how they were lucky I didnt have time to run over there "today" or I was gonna pick all my junk up and take it to a different shop.
      He responded back "have you talked to Chris?" (Chris is the owner.)
      Me; "no, he works out of the Roxboro shop now and not the Burlington shop."
      About ten minutes later he sends me another message "call me."
      I called him and he said he had spoken with Chris and I was supposed to call him. Chris was going to go to the other shop and pick all my stuff up and work on it himself.
      I called Chris later tuesday, and he was down at the Burlington shop picking my stuff up. He said he wanted to go over what I wanted done just so he knew, and he apologized for it taking so long.
      Wednesday morning my cell phone rings and it's Chris calling me. "I spun your crank this morning...did we do the original balance job on this?"
      Me "nope, a shop in Iowa did it in 1994."
      Chris "well it's out about 10 grams in the front and the back."
      Holy crap, all those broken blocks because someone didnt do their job correctly the first time.
      The good news is, their is progress on my junk now and I may actually be racing before July.
      Rob Hetzler
      M&M member since Oct 2000, #773
      Roxboro Dragway 2011 Top ET champion

      My Photo Page

      Comment


      • Good to hear something is finally being done - by the owner himself even! But the crank not being initially balanced properly makes me sick to hear about! Cripes.

        Comment


        • Glad to hear that your getting somewhere with your parts! Big ouch on the crank though.
          79 Stang, full cage,mini-tubbed,396"W,G-Force G-101 4 spd,4.56's, tagged street/strip 10.28@129.3
          69 Stang Vert
          69 Stang Coupe
          92 Stang 5.0 LX
          other DD's

          Comment


          • Do you or the shop think the crank is salvagable or ???

            Ryan
            Quality means doing it right when no one is looking. - Henry Ford

            Comment


            • He said the only thing wrong with it was it was out of balance. He said it was gonna take somewhere around a 1/2" slug of heavy metal on both ends to get it corrected.
              Rob Hetzler
              M&M member since Oct 2000, #773
              Roxboro Dragway 2011 Top ET champion

              My Photo Page

              Comment


              • Originally posted by kid vishus View Post
                He said the only thing wrong with it was it was out of balance. He said it was gonna take somewhere around a 1/2" slug of heavy metal on both ends to get it corrected.
                Cool Beans!

                Ryan
                Quality means doing it right when no one is looking. - Henry Ford

                Comment


                • I talked to them yesterday. He is hoping to have everything done this week. He said the crank is balanced and ready to go. He said it took 12 grams front and back to balance it. He said you could see it had been balanced before, but it wasnt right. It took a 1 1/2" long by 1/2" round slug of heavy metal on both ends to correct it.
                  Rob Hetzler
                  M&M member since Oct 2000, #773
                  Roxboro Dragway 2011 Top ET champion

                  My Photo Page

                  Comment


                  • How could they have balanced it once and it was that far off??

                    Ryan
                    Quality means doing it right when no one is looking. - Henry Ford

                    Comment


                    • A different shop did the original balance job on it. I have no idea how it could be that far off unless they were just having a bad day, didnt care, machine was messed up....I dont know.
                      Rob Hetzler
                      M&M member since Oct 2000, #773
                      Roxboro Dragway 2011 Top ET champion

                      My Photo Page

                      Comment


                      • Then does it seem reasonable that if the balance was that far off, that this condition may have been the causative reason for the block web cracks?

                        Ryan
                        Quality means doing it right when no one is looking. - Henry Ford

                        Comment


                        • Yeah. From what I have been told by a couple of guys who know A LOT about clevelands, when there is an imbalance issue all the harmonics are transferred to the #2 main. Add all the cap walk in to the mix with the fairly thin main webs, and you have a recipe for disaster.
                          I'm hoping this fixes it. I had one very knowledgeable cleveland racer tell me when I first started chasing this he thought it was a balance issue.
                          Rob Hetzler
                          M&M member since Oct 2000, #773
                          Roxboro Dragway 2011 Top ET champion

                          My Photo Page

                          Comment


                          • Originally posted by kid vishus View Post
                            ...."well it's out about 10 grams in the front and the back." Holy crap, all those broken blocks because someone didnt do their job correctly the first time.
                            KV,
                            Considering OEM likely red-lines at 6K RPMs..... do you (or anyone else here) know how close the balance is in OEM stuff? I'd guess at maybe +/- 1 gram?
                            As I recall now, don't most hot rod engine shops who do balance work will ask what your intended red-line will be.
                            For a red-line of, say 7.5K RPMs, I'm thinking they'd aim for a balance of +/- 0.5 grams balance..... is that about right?

                            What would you say will be / has been your racing red line?

                            Ryan



                            Quality means doing it right when no one is looking. - Henry Ford

                            Comment


                            • I have no idea on how they balance stuff, but those are good questions.

                              With this motor, it potentially will be shifted around 7500 (depending on how I feel that given day, but normally will probably be around 7200.) With the new gear in the car, I would guesstimate if it was to ever see the 1/4 mile it would cross the stripe somewhere around 8000-8200.
                              Rob Hetzler
                              M&M member since Oct 2000, #773
                              Roxboro Dragway 2011 Top ET champion

                              My Photo Page

                              Comment


                              • Originally posted by kid vishus View Post
                                I have no idea on how they balance stuff, but those are good questions.
                                Not direct answers to the questions, but these links give us all more info on balancing than we knew this morning.......

                                short version: http://www.rlengines.com/Web_Pages/C...Balancing.html

                                long (more info) version: http://www.enginebuildermag.com/2013...increase-life/

                                Ryan
                                Last edited by Ryan Wilke; 05-07-2017, 10:11 PM.
                                Quality means doing it right when no one is looking. - Henry Ford

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