| Re: [GMCnet] Intakes and Turkey Pans [message #255931] |
Sun, 20 July 2014 07:16 |
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dwayne jacobson[1]
Messages: 345
Registered: July 2009
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I did this process twice. First time I had too much silicone and it leaked antifreeze. Second time right. You will find crud when you remove the mfld. Be very careful to prevent crud from dropping down into crank. Very careful. I think I lose some stuff and even drainging the oil and flushing more oil thru something got in. I got 500 miles and a bearing went. No fun.
Dwayne jacobson
77 kingsley that sits in a doctors shop in ogden utah after 2nd engine failure.
Sent from Samsung tabletGeorge Beckman wrote:Ken Burton wrote on Sat, 19 July 2014 18:06
> Scrap the turnkey tray. Get a set of crossover blocking plates which include the correct thickness gasket from Dick Paterson.
>
> http://www.springfield-ignition.com/
>
> seven zero five-325-4554
>
> Jim K. probably also has them. He stocks just about everything for a GMC.
>
> Read the directions from Dick Paterson and install them All you will need, beside the gasket/blocking plate kit, is a tube of Black RTV that is
> oxygen sensor safe. Dick will explain this in the enclosed directions.
It sounds like your engine is out so this will be much easier than hovering over the hatch. Ken is right about Dick Paterson.
I suggest really testing the fit. I ended up taping tiny lengths of plastigauge on each port, top and bottom. Tape it so you can read the thickness in
a place there is no tape. I just lightly snugged a couple of bolts on each side. I got 0.006 everywhere on the intake that sealed. I figure with the
gasket squeezing to 0.017 I was good.
I am the king of how not to do it. Dick will not lead you astray. Because he was patient with me I will emphasize what I appear to have missed. Check,
double check and check again that the ports on the intake are evenly covered with the gasket when the bolt holes are aligned.
Don't use too much RTV. Dick says, "Wipe some on like you were putting it on a baby's bottom." Just a thin, even, coat. Both sides of the gasket.
Then Dick actually showed me, in Amana, how to swing the manifold into place. I understood the one or two bolts cut and notched for a screwdriver as a
guide but was still trying to lower the manifold down onto the guides. Dick showed me how to use the guide as a hinge and to swing the far side in an
arc down into place. Just like closing a door. It is so sweet.
Check the china wall at both ends for pin holes and bad spots. I had one have a pin hole in the RTV that you could not see with a mirror but it seeped
oil.
If you get your gaskets from Dick (or his gaskets from Applied) he is great to talk you through things on the phone if you are having second thoughts.
Good man.
--
'74 Eleganza, SE, Howell + EBL
Best Wishes,
George
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