chevy big block 396

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  #1  
Old 02-22-02, 06:40 PM
crick
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chevy big block 396

i have two questions,the first is general,on the intake manifold gaskets there is one side with an outward rib and the other has a valley,which side usually goes against the head or does it matter?My next question is strictly a big block,under the timing cover on each side of the cam journal (you have to remove timing gear to see) there are two holes,right now they are blocked with allen head caps,should they be closed or open? It looks to me they should be open,by the way the big blocks pan/timing cover are desiged,i dont know,any ideas?mooser1 you out there?
 
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Old 02-22-02, 07:16 PM
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The ridges go to the intake, valleys toward the head. As far as I'm aware, the allen plugs stay.
 
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Old 02-22-02, 07:21 PM
mooser1
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gaskets don't matter which way, BUT I always put the ridge toward intake manifold, especially if it's aluminum......

leave the drilled holes with the allen heads the way they are or you will flood the timing gears with way too much oil......
 
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Old 02-22-02, 07:53 PM
crick
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thanks for the help you guys,,,,,greatly appreciated!!!
 
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