400 intake gasket
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Joined: Mar 2003
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400 intake gasket
Im putting my 400 back together and I have two intake gaskets. One is the valley pan gasket and the other is a standerd type of intake gasket. The valley pan gasket has some holes in for exaust gas or somthing. The other standerd gasket does not have these holes that go to the exhaust stuff in the heads. I guess these holes are for some emission stuff. I have a non egr intake so Im not sure if the holes even matter. Can I use the standerd gasket that block off these passages in the heads?
Thanks, Jaret
Thanks, Jaret
Freshman User
Joined: Jan 2003
Posts: 36
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From: ny
400 intake gasket
you can use the gaskets but i would use the valley pan because it keeps the hot oil from being splashed on the bottom of the intake and helps keep the fuel cool if there are no emissions you could even plug off those exaust passages.
Lead Driver
Joined: Nov 2000
Posts: 6,625
Likes: 342
From: Albuquerque
400 intake gasket
The metal pan is a better deal if evrything is square. The holes in the middle of the intake holes is for the heat crossover and help in warm up. For street use leave them open.
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