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  #1 (permalink)  
Old 03-10-07, 09:53 AM
Yellowbelly's Avatar
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Exclamation Cleveland oil leak

What is the best way to seal between the inlet manifold and valley pan engine webbs? The rubber seals supplied in the gasket set always seem to squeeze out when you torque down the inlet manifold. I have tried glueing them in place first as recommended by real steel but this doesnt seem to work. The rear of the engine appears to be worst. Any advice gratefully appreciated.
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Old 03-10-07, 10:54 AM
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RTV Silicone - throw away the rubber seals, lay down a good thick bead of RTV, drop the manifold on in one go (i.e. don't expect to move it around to align - sometimes a couple of temporary studs in the bolt holes will help) and leave for 24 hours minimum.

Ensure all surfaces are thoroughly cleaned and degreased first.

Then Robert will be the sibling of one of your parents.
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Last edited by wilf; 03-10-07 at 11:35 AM.
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Old 03-10-07, 11:25 AM
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Ive never had a problem with the rubber end gaskets, but as wilf says the trick is to get everything scrupulously clean first. I leave the rubbers/adhesive to set properly 1st before trying to put on the manifold.
The silicone bead method is very popular and effective, especiially where blocks and heads have been decked. Cleanliness is your friend here, and dont be so liberal with it that you end up with surplus silicone where it can be washed into the oil system-expensive!
If you have had your block decked or your heads faced and you have not machined the manifold to suit, that could be why your pushing the gaskets off?
There is a chart somewhere on the Edelbrock inlet manifold site that tells you how much to take off the inlet manifold.
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Old 03-10-07, 05:00 PM
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Oh I`m so tempted
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Old 03-10-07, 05:20 PM
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Just this once..............don't give in to the temptation.
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Old 03-10-07, 05:21 PM
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eh?????????
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  #7 (permalink)  
Old 03-10-07, 05:23 PM
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Oh come on, keep up at the back - you just know what he is going to say, and it would be a firm recommendation to swap to a GM product.............not that they never leak oil of course.
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Old 03-10-07, 05:24 PM
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sorry I missed that. must keep awake, must try harder
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Old 03-10-07, 05:45 PM
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Quote:
Originally Posted by wilf View Post
Oh come on, keep up at the back - it would be a firm recommendation to swap to a GM product
I didn`t say a word.
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There is a fine line between "hobby" and "mental illness."
You don`t have to be mental to build a kitcar - but it definitely helps.

GD JAG mk4 progressing slowly.
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  #10 (permalink)  
Old 03-10-07, 05:56 PM
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Maybe not, but when you do, it's usually the same words........every time.
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