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Author Topic: Valley Pan Question.  (Read 1119 times)

Alan

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Valley Pan Question.
« on: March 22, 2009, 04:39:37 AM »

I have a question about valley pan gaskets for my 383. Most pans come with 4 gaskets, one for each side of the valley pan I'm assuming. I have heard that only 2 are needed. Which is correct?
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Al

Stan Paralikis

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Valley Pan Question.
« Reply #1 on: March 22, 2009, 07:06:01 AM »


Quote from: 67Newport
I have a question about valley pan gaskets for my 383. Most pans come with 4 gaskets, one for each side of the valley pan I'm assuming. I have heard that only 2 are needed. Which is correct?
After our emails about this, it bothered me too.

I noticed you used Felpro #1214 which they call a "H/P Gasket Set.



I used Felpro #96000 which they call OEM:



You simply used the HiPo set and I cheaped out....






Leaburn Patey

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Valley Pan Question.
« Reply #2 on: March 22, 2009, 07:08:33 AM »

All I ever used was the single Turkey pan one.
No problems

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Steve

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Valley Pan Question.
« Reply #3 on: March 22, 2009, 07:32:00 AM »

I agree with Leaburn
 
Unless you are running an HP motor, the plane valley pan, stand alone, is fine. 
 
You draw it into place with the bars on the ends first and then set the intake.
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Stitcherbob

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Valley Pan Question.
« Reply #4 on: March 22, 2009, 07:32:06 AM »


Read this.....

http://www.moparaction.com/Tech/quest/MAGNUM_MANYFOLD_MANIFOLD.html

I don't know if a cast iron manifold will move as much as an aluminum one, so a little sealer on the block side couldn't  hurt

stitcherbob2009-03-22 11:35:43
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Stan Paralikis

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Valley Pan Question.
« Reply #5 on: March 22, 2009, 09:39:54 AM »

Quote
...When ever I ask this question on a
forum - a fight breaks out




Jacques

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Valley Pan Question.
« Reply #6 on: March 22, 2009, 09:59:13 AM »

I didnt use any of the gaskets on my 440.

A nice feature (for me) on the Felpro pans is that the heatriser crossover is blocked.


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Stan Paralikis

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Valley Pan Question.
« Reply #7 on: March 22, 2009, 11:12:50 AM »


OH! And for what it's worth..................
I put insulation (fiberglass, foil 2 sides) down on the pan before I dropped the manifold on it.

Commando12009-03-22 15:13:19

glen cyr

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Valley Pan Question.
« Reply #8 on: March 22, 2009, 01:37:02 PM »

 Check these guy's out for the foil kits! http://www.performancecargraphics.com/Manifold_Insulation.htm Need underhood decals etc. Click on bottom left!
 
Glen
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Alan

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Valley Pan Question.
« Reply #9 on: March 22, 2009, 05:29:03 PM »

I ended up using a combination of several of the replies. The original motor used no manifold gaskets, only the valley pan. I put a little silicon on the heads under the pan . I used a paper gasket between the pan and the aluminum manifold because I wasn't sure that it would seal well without a gasket given the different expansion rates. For the insulation blanket I stuffed some fiberglass insulation that I had leftover from a house project between 2 pieces of heavy duty aluminum foil. Im not sure that it has much of a function, but it fills the cavity between the pan and the manifold. The old one I took out was oil soaked and had acorn shells in it , so at some point during its 5 year dormant period before I got it, some mouse had made a cozy home. If my engine runs rough, I'll know where to look first.
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Al

Steve

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Valley Pan Question.
« Reply #10 on: March 22, 2009, 06:14:30 PM »

Those insulation pads are supposed to keep the engine heat in the engine to prevent perculation.  And, help keep the intake cooler so the mixture is cooler.  AND!  It's to prevent the exhaust cross over from burning a hole in the valley pan.
 
So it's multi-purpose
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Stitcherbob

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Valley Pan Question.
« Reply #11 on: March 22, 2009, 07:09:24 PM »

I thought we all agreed it was to quiet down the thin metal covering the lifter valley?

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Steve

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Valley Pan Question.
« Reply #12 on: March 22, 2009, 08:09:24 PM »

Maybe you did, I gave up arguing with the book
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Rich

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Valley Pan Question.
« Reply #13 on: March 31, 2009, 02:38:40 PM »

If you are using an iron intake on the iron heads then just the valley pan is fine. Four thin paper gaskets were used on the six pack cars with aluminum manifolds to keep oil from being sucked into the intake ports. Every big block I've worked on with an aluminum intake and no paper gaskets showed sign of oil being sucked into the ports.  
 
I use very thin (.013") gaskets that I get  from "Al's Rapid Transit" (look him up on E-pray or just call him at 530-934-7499).  Use some goop to glue the gaskets to the pan, but don't put anything on the mating surfaces of the head and manifold (except for a dab of silicone in the corners) - they have to be able to slide due to the different expansion rates of iron and aluminum.




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Stan Paralikis

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Valley Pan Question.
« Reply #14 on: March 31, 2009, 04:14:37 PM »

I keep getting little pools of oil on my aluminum intake.  Couldn't figure out where it was coming from.  That's gotta be it.

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