Rebuilt engine question?

Engine, Trans & Driveline

  1. 1968340S

    1968340S Well-Known Member

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    I have an option to purchase a 1968 383 complete rebuild long block out of a Road Runner .60 over. Been on a stand in a shop since 2003. Anything I should be concerned about. Possibility of seals, gaskets that might start to harden? Has been covered in plastic with no rust at all.

    The shop does get hot in the summer 100 degrees and cold as 30 degrees in the winter.
    Owner is a very meticulous. Super clean.
     
  2. Mike67

    Mike67 FBBO Gold Member FBBO Gold Member

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    What kind of assembly lube did he use? 17 yrs is a long time for a.motpr to sit and not rotate.
    I bought a motor a few years ago that had sat in a guys barn covered for about 5 yrs and the lube was kind of dried up and looked crusty. I dont know if it would disolve or reactivate once warned, but I pulled the caps and noticed small scratches in the bearings...now that being said., It wasnt wrapped/covered very well...
     
  3. 493 Mike

    493 Mike FBBO Gold Member FBBO Gold Member

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    I wouldn't worry about rubber hardening as it hasn't been up to operating temp yet. If the price is right buy it. Check torque values on the crank assy and/or bearing clearances if you're concerned. Prelube on the engine stand with the valve covers off and rotate to confirm oiling to valve gear.
    Mke
     
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    • 5wndwcpe

      5wndwcpe Huge Member FBBO Gold Member

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      If I'm storing a motor for any length of time, I always let the valve train down. 17 years is a loooong time to have a few valves open to the atmosphere is a non climate controlled shop.

      I'd be inclined to tear it down and inspect first, if all is well, re-gasket and have at it.
       
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      • 1968340S

        1968340S Well-Known Member

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        thanks for all the advice. I'll get more information on the engine.
         
      • wyrmrider

        wyrmrider Well-Known Member

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        get it
        bore scope open cylinders or pull the heads
        worse may be a fine ball hone and relube the cam an lifters
        chrch or changr those open valvesprings
         
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        • Don Frelier

          Don Frelier FBBO Gold Member FBBO Gold Member

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          Just keep in mind if it's .060 over then it's at the limit for overbore.
          Kind of single use at this point.
           
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          • beanhead

            beanhead Well-Known Member

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            If it's real cheap, go for it. Sucks that it's already .060 over but oh well (in the event you ever need to bore it, likely will need custom pistons..if it will even go past .060). Gaskets are the easy stuff not worth worrying too much about. It's the bores, bearings, and valvetrain stuff as '5wndwcpe' alluded to above..

            X2!
             
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            • QOTHL

              QOTHL FBBO Gold Member FBBO Gold Member

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              I bought a redone V code six pack engine that sat in the shop for about ten yrs. I'm not sure if the shop did anything before installing it but it runs great. The only problem is a oil leak from the rear main seal. Now I know better but the shop should have checked or replaced this before putting it in my car. Just FYI.

              PS I discussed this with a master mechanic who teaches automotive classes and his solution other than replacing it is to drive it to keep it lubricated. That has helped.
               
              Last edited: Feb 27, 2020
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              • QOTHL

                QOTHL FBBO Gold Member FBBO Gold Member

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                Really good Sam Adams quote.
                Here's one that explains why we have a Socialist running in the Presidential Primary:
                A free people cannot survive under a republican constitution unless they remain virtuous and morally strong.
                We don't have this anymore, not enough at any rate.
                 
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                • BDF6

                  BDF6 FBBO Gold Member FBBO Gold Member

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                  I like the car in your avatar!
                  AND:
                  Wonder if you meant to post this reply here?
                  I am dull-witted at times so I may be completely missing the connection here...

                  PS: Happy Birthday (Sunday)!
                   
                  Last edited: Feb 28, 2020
                • BSB67

                  BSB67 Well-Known Member

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                  I agree. But I still think he should tear it down and look inside.
                   
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                  • QOTHL

                    QOTHL FBBO Gold Member FBBO Gold Member

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                    I probably should have posted that somewhere else but am not experienced with posting on forums, in fact, this is the only one I'm on, so sorry about that. I posted a larger photo of that car and that is probably in the wrong place as well. I love that car, he's my baby. Is that your car in your Avatar? Beautiful! Love the color! Trying not to think about my BD - I have a death by chocolate cake waiting in the freezer. Hope I don't make myself sick! -or dead!
                     
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                    • 1968340S

                      1968340S Well-Known Member

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                      I started years ago maybe 2004 not sure with Abodiesonly. I picked up a 1966 Satellite in 2016. Same picture on both sites.

                      20190615_162921.jpg 20190615_162822.jpg
                       
                    • threewood

                      threewood FBBO Gold Member FBBO Gold Member

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                      At minimum, pull the intake to apply more lube to the cam/oil the lifters.. You can scope the bores to check condition. Squirt some oil in the holes in case some rings are stuck.

                      Take the rockers off to reduce pressure on cam and see how well it rotates. Make 100% sure the lifters rotate before putting the shafts and rockers back on.

                      Prime the pump up and rotate 90° to get oil to all the parts.

                      I wouldn't really worry about .060" over, those holes can be sleeved.
                       
                    • 33 IMP

                      33 IMP Well-Known Member

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                      I think she is responding to the Sam Adams quote below fivewindowcoupes post. Confused me too at first. @BDF6
                       
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                      • BDF6

                        BDF6 FBBO Gold Member FBBO Gold Member

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                        Yes, that's my Baby & I surely understand the sentimental value one can place on a vehicle!
                        My Dad bought it new in Southern California & it is the first car I ever drove way back in 1972. I drove it on dates in high school and have driven it whenever & wherever I want for the last 20 years since recieving it as wedding gift. It is getting very close to 250k miles on it now:drinks:.
                         
                      • Rusty 72

                        Rusty 72 Well-Known Member

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                        I might ask why was it sitting that long? Why would a shop rebuild it, and let it sit? and not put it in something?
                        Hmmmm....
                         
                      • Challenger340

                        Challenger340 Well-Known Member

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                        Have it run in and tested on an Engine Dyno !
                        Other than that... buyer beware !
                         
                      • 1968340S

                        1968340S Well-Known Member

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                        It was built by a client who passed away. His widow is trying to sell his collection of parts.
                        All was sold for $15,00.00. 3 big blocks, transmissions and boxes of hard to find items to
                        a friend that is finishing up their restoration on a 1972 Cuda. This is a Chevy guy who has
                        Mopar buddies that he will sell the parts too. I was sick for a week and not on the job site
                        and lost this deal.
                         
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