Intake Manifold Question
I have a 1967 327 - 300 using an Edelbrock performer aluminum intake.
The engine was rebuilt in 2006 and the block was decked. I have been going through intake gaskets every few years - an internal vacuum leak. Any thoughts on what the best gasket is to seal the leak and any other advice. A friend said since the block was decked I may need to take a few thousands off the intake? Thanks in advance for sharing your knowledge. |
What gasket have you been using and having issues with?
Edelbrock recommends the Edelbrock #7201 gasket...which is .060" thick. Same as a FelPro 1205. |
Don't machine the intake.
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Most gasket mfgs say not to use sealer..
But I use permatex aviation gasket sealer. The brown brush on kind in the jar...not the tubes. I have never had a leak. |
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And if the block has been decked THAT much, there are thicker (.120") intake gaskets available.
Without any gasket, is the intake resting on the "China Wall"? |
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I may try the Edelbrock one this time ( 3rd gasket) Any specific reason why I should not machine the intake? I just want it to run well - it has not been a major issue - sometimes it will idle a little rough and if I drive for a long time and get t hot when I stop for gas it will whistle for a minute or so on start-up. |
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the tubes. |
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It appears to seat just fine. Who makes the thicker gasket? My thought is to use the thickest gasket - the aviation sealer and some ARP bolts this time... Your thoughts appreciated... |
Mr. Gasket #106 is the closest port size to the Edl-1205 but is .120" thick.
Will work fine... http://www.summitracing.com/ga/parts/mrg-106/overview/ |
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