68 390 HP intake manifold - NCRS Discussion Boards

68 390 HP intake manifold

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  • Lawrence S.
    Very Frequent User
    • April 1, 1993
    • 775

    68 390 HP intake manifold

    To be correct should this intake be painted silver with orange overspray or just be left natural aluminum with orange overspray? Or is there no overspray?

    Thanks guys
  • Domenic T.
    Expired
    • January 29, 2010
    • 2452

    #2
    Re: 68 390 HP intake manifold

    This one has been hit hard here but I never saw silver paint on a aluminum manifold from the factory.
    I can't comment on sloppy factory orange paint work, but I didn't slop up my aluminum manifold with orange paint.

    DOM

    Comment

    • Gene M.
      Extremely Frequent Poster
      • April 1, 1985
      • 4232

      #3
      Re: 68 390 HP intake manifold

      Lawrence,
      I think this has been on this board previously and in greater detail. But the BB valve cover was intended to be complete orange coverage using a "shield or mask" to omit coverage on the aluminum intake. So the accuracy of location of masks was at operator whim. Consider some orange on the aluminum normal as well as incomplete coverage of cylinder head and intake bolts. Cast iron intakes are painted orange.

      L89 and chrome valve covers engines did not get orange paint in this area.

      Comment

      • Paul H.
        Very Frequent User
        • September 30, 2000
        • 678

        #4
        Re: 68 390 HP intake manifold

        Originally posted by Gene Manno (8571)
        Lawrence,
        I think this has been on this board previously and in greater detail. But the BB valve cover was intended to be complete orange coverage using a "shield or mask" to omit coverage on the aluminum intake. So the accuracy of location of masks was at operator whim. Consider some orange on the aluminum normal as well as incomplete coverage of cylinder head and intake bolts. Cast iron intakes are painted orange.

        L89 and chrome valve covers engines did not get orange paint in this area.
        No Orange valve covers for 68 big blocks. They were all flash chromed. My 68 427/390 has no orange paint on the intake, nor should there be.

        Comment

        • Dennis S.
          Expired
          • April 1, 2004
          • 228

          #5
          Re: 68 390 HP intake manifold

          Originally posted by Paul Harrington (34948)
          My 68 427/390 has no orange paint on the intake, nor should there be.
          None? Not even a little bit on the edges where it meets the cylinder heads? Wow...that fella on the paint line must have taken a little extra time with yours and painstakingy applied masking tape to protect the intake manifold.

          Comment

          • Lawrence S.
            Very Frequent User
            • April 1, 1993
            • 775

            #6
            Re: 68 390 HP intake manifold

            I never mentioned valve covers?
            My question is regarding the intake manifold. I just was asking if it is natural aluminum or painted with aluminum paint like the 67 L79? Sounds like there was orange overspray.

            Thanks

            Comment

            • Paul H.
              Very Frequent User
              • September 30, 2000
              • 678

              #7
              Re: 68 390 HP intake manifold

              Originally posted by Lawrence Shaw (22476)
              I never mentioned valve covers?
              My question is regarding the intake manifold. I just was asking if it is natural aluminum or painted with aluminum paint like the 67 L79? Sounds like there was orange overspray.

              Thanks
              Natural aluminum.

              Comment

              • Paul H.
                Very Frequent User
                • September 30, 2000
                • 678

                #8
                Re: 68 390 HP intake manifold

                Originally posted by Dennis Stubee (41797)
                None? Not even a little bit on the edges where it meets the cylinder heads? Wow...that fella on the paint line must have taken a little extra time with yours and painstakingy applied masking tape to protect the intake manifold.
                All I can tell you is my original 68 390 horse has none. The TI&JG doesn't address this. Since you are obviously more intelligent than me maybe you can give us the correct answer

                Comment

                • Dennis S.
                  Expired
                  • April 1, 2004
                  • 228

                  #9
                  Re: 68 390 HP intake manifold

                  Originally posted by Paul Harrington (34948)
                  Since you are obviously more intelligent than me maybe you can give us the correct answer
                  You are obviously more fortunate than me because my original 69 390 horse had overspray on the intake manifold. After rebuilding the engine, it has a new application of overspray on the manifold. Have a beer and chill out.

                  Comment

                  • Alton J.
                    Expired
                    • June 19, 2011
                    • 32

                    #10
                    Re: 68 390 HP intake manifold

                    how do you clean your aluminum manifold if dirty ?

                    Comment

                    • Terry B.
                      Very Frequent User
                      • August 31, 1999
                      • 607

                      #11
                      Re: 68 390 HP intake manifold

                      If we are still talking about '68 Big Blocks, there is no orange over spray on the intake manifold. '69's might be different story.

                      Cleaning of the manifold could be done with a mild cleaner first, then maybe go with a stronger agent if the first try didn't work. If the manifold is off the block, you could use the stronger cleaners right away.

                      Good Luck, Terry
                      Terry Buchanan

                      Webmaster / Secretary - Heart of Ohio Chapter www.ncrs.org/hoo

                      Corvettes Owned:
                      1977 Coupe
                      1968 Convertible 427/390 (L-36) Chapter Top Flight 2007, Regional Top Flight 2010, National Top Flight 2011
                      2003 Electron Blue Coupe
                      2019 Torch Red Grand Sport Coupe

                      Comment

                      • Paul H.
                        Very Frequent User
                        • September 30, 2000
                        • 678

                        #12
                        Re: 68 390 HP intake manifold

                        Thanks Terry. My 68 is pretty original and had no orange overspray on the intake. Looks like the 69 may be a different story.

                        Comment

                        • Domenic T.
                          Expired
                          • January 29, 2010
                          • 2452

                          #13
                          Re: 68 390 HP intake manifold

                          Well I'm going to say it.

                          Do it the right way,the way it was supposed to be done. I'm sure the painter wasn't praised on being SLOPPY.

                          If your doing it then do it the way it was intended, paint ONLY what was intended to be painted.

                          I have a hard time with and won't reproduce a SLOPPY mans work.

                          Smearing glue on the door seals, runs on painted rims, cheap paint jobs, scratchy chrome.

                          Thank God we don't reproduce drive line, trans, engine problems or other screw ups. We want all that PERFECT, why not the rest?

                          If I saw paint where it wasn't supposed to be or other sloppy work on a repro I would think they were or found BUBA again.

                          I am sure there were cars that came off the line that were better than others. When I repo I want to think mine was one of them.

                          SORRY

                          DOM

                          Comment

                          • Dennis S.
                            Expired
                            • April 1, 2004
                            • 228

                            #14
                            Re: 68 390 HP intake manifold

                            Dominic
                            You do have the right attitude and over-restoring finishes to perfection is a noble pursuit. It can and often does bring higher rewards at auction...if one is restoring to sell. Doesn't make a whole lot of sense on a car that is regularly driven for enjoyment and then left in a humid location...like a garage without A/C. To each his own...NCRS judging be what it may.

                            Comment

                            • Domenic T.
                              Expired
                              • January 29, 2010
                              • 2452

                              #15
                              Re: 68 390 HP intake manifold

                              Dennis,
                              As a craftsman I was tought by some of the best to do my best.

                              Now if you are paying to get the job done then have it done your way or the way one thinks it looked.

                              When I do a job I want it as good as it can be, it is a reflection of my work and who I am.

                              When I show my car to my friends with IMPERFECTIONS it is a reflection of my work and what I CAN'T do.

                              OK about 1/2 of 1% looks at a sloppy paint job and understands it according to NCRS. The other 99.5 % that look at it say "what a good job".

                              I'm doing my vette from A to Z myself and want it to look like the only perfect vette that came out out of the factory, that's my attitude.

                              No offence on the way the hobby go's but I have to show what I can do, not what Buba did 40 or so years ago his first week on the job.

                              I am not BUBA (to much)

                              DOM


                              quote=Dennis Stubee (41797);561490]Dominic
                              You do have the right attitude and over-restoring finishes to perfection is a noble pursuit. It can and often does bring higher rewards at auction...if one is restoring to sell. Doesn't make a whole lot of sense on a car that is regularly driven for enjoyment and then left in a humid location...like a garage without A/C. To each his own...NCRS judging be what it may.[/quote]

                              Comment

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