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Thread: Project VXOverLand

  1. #166
    Member Since
    Jan 2015
    Location
    1999 Ebony VX, 0209
    Posts
    347
    Thanked: 12
    I think I may have a warped intake manifold. I started the engine today and I have an audible air leak at the same location I have had three times. Three gaskets. Three times taking it apart and putting it back together again. Same location. The latest gasket was the most heavy duty I could find. Rubber coated steel and much thicker than the previous ones.

    I could beat the previous owner with his own severed arm. Gahhhhh!
    --------
    VX Status: Running Great! Build is coming along nicely...

  2. #167
    Member Since
    Feb 2010
    Location
    2001 VX 1320 -- Ebony
    Posts
    704
    Thanked: 14
    Yup....An intake leak would cause your issue. Without trying to be Debbie Downer, it COULD also be the corresponding surface that's warped. Did you "glue" the intake gasket on....or install dry? There are some VERY good sealants that might solve the issue. On a SBC, most mechanics DO use sealant on the intake....though it doesn't necessarily call for it.

    Back in the 80's, I had a Toyota with a persistent intake problem. I took it apart and redid the intake gasket about 6 times. Got where I could do it in 1/2hr. It would last 3-6 weeks before leaking each time. At the time, the internet didn't exist. I gave up and sold it without knowing all my options. I would suggest you have an advantage...since no coolant/oil is running through VX intakes. Those fluids add to the challenge for maintaining a long-term seal....with liquid/rubber sealant. If you try a sealant, make sure you pick one rated for gasoline. I recommend you Google "intake manifold sealant" to find the most current sealants. If you haven't tried that route yet, do so.

    One other thing you could do is take the intake to a machine shop and have them check it for "flatness". In Kansas City, there's a cylinder-head service/shop that has the equipment to "plane" it back straight. If you consider it, look for a similiar "machine shop/cylinder-head service" near you.
    Last edited by 89Vette : 02/06/2018 at 06:41 PM
    2001 Ebony VX and 1989 Custom 383 Corvette

  3. The Following User Says Thank You to 89Vette For This Useful Post:

    Thelgord (02/06/2018)

  4. #168
    Member Since
    Jan 2015
    Location
    1999 Ebony VX, 0209
    Posts
    347
    Thanked: 12
    Installed it dry. I could probably do it again in a couple of hours with some sealant. The real question is do I really want to?

    Who am I kidding. Of course I am going to.

    Damn it.

  5. #169
    Member Since
    Feb 2010
    Location
    2001 VX 1320 -- Ebony
    Posts
    704
    Thanked: 14
    While it's off, take it in to be checked....OR... put something long, metal, & straight on the surface to see if you can shove a feeler gauge underneath. (IOW, perform your own check). Might as well to make sure.

  6. #170
    Member Since
    Jan 2015
    Location
    1999 Ebony VX, 0209
    Posts
    347
    Thanked: 12
    I finally broke down and put it in a shop. I should find out later today what the cost is going to be. Having the entire engine gone through to include new timing belt and full service while they are in there. Once that is all done I can work on the transmission shift solenoids.

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