SoCal Jet Boats
Tech Talk => Engine Mechanical / Electrical => Topic started by: AlecD on May 31, 2013, 03:48:28 PM
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What Is the purpose and the name if the metal thing in the middle of the lifters ? This is on an olds 455. Is it absolutely necessary to have this ?
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it keeps the hot oil splashing around in the bottom of the motor from the intake manifold... yet allows the oil to drain back down. Its good to have there yes.
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it keeps the hot oil splashing around in the bottom of the motor from the intake manifold... yet allows the oil to drain back down. Its good to have there yes.
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Do you know the name of it ? The one I have is way to rusted to put back in.
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Do you know the name of it ? The one I have is way to rusted to put back in.
lifter valley baffle
lifter valley pan
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lifter valley baffle
lifter valley pan
Thank you
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lifter valley baffle
lifter valley pan
Does this serve the same purpose as a intake gasket valley pan ?
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If your steel head and steel mani sure but I wouldn't run a valley pan if your mani is aluminum. What you have looks fine.
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If your steel head and steel mani sure but I wouldn't run a valley pan if your mani is aluminum. What you have looks fine.
That's just a picture I'm using for an example the problem is that I already built my whole motor and left that part out because it was rusted out. And I used a valley pan gasket with cast heads and an aluminum intake manifold. Is that going to be a problem ?
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You should be fine...I had an olds way back steel heads/mani an valley pan without issues. Just a good idea to open up the oil return in the heads. Its a great motor but you need to understand its issues.
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You should be fine...I had an olds way back steel heads/mani an valley pan without issues. Just a good idea to open up the oil return in the heads. Its a great motor but you need to understand its issues.
So you would say just go with regular intake gasket and put that piece in and call it a day ? I'd rather do it right. I already have oil restrictors in the mains and a windage tray.
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So you would say just go with regular intake gasket and put that piece in and call it a day ? I'd rather do it right. I already have oil restrictors in the mains and a windage tray.
Yes. The source of most "milkshaked oil" issues on the 455 Olds and 460 Ford most often can be attributed to the "Bathtub" style intake manifolds gaskets. Stay away from them at all costs. A phone call to Summit racing, or Jeg's can probably net you a replacement for that sheet metal part, if you feel it's necessary.
That being said, I can see it's purpose but is totally unnecessary if you have a windage tray in the pan, oil control mods, and keep the oil at a proper level. Smoothing and deburring the block underneath there would do wonders for oil scavenging to the pan. Also, the Cam is what's directly under there. Hot oil on the underside of the intake manifold would be the least of my worries. Some people with 455's don't have the EGR passages blocked off, which creates 10 times more heat in the intake manifold than the oil can....... :screwy:
Ray
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Yes. The source of most "milkshaked oil" issues on the 455 Olds and 460 Ford most often can be attributed to the "Bathtub" style intake manifolds gaskets. Stay away from them at all costs. A phone call to Summit racing, or Jeg's can probably net you a replacement for that sheet metal part, if you feel it's necessary.
That being said, I can see it's purpose but is totally unnecessary if you have a windage tray in the pan, oil control mods, and keep the oil at a proper level. Smoothing and deburring the block underneath there would do wonders for oil scavenging to the pan. Also, the Cam is what's directly under there. Hot oil on the underside of the intake manifold would be the least of my worries. Some people with 455's don't have the EGR passages blocked off, which creates 10 times more heat in the intake manifold than the oil can....... :screwy:
Ray
Thank you much. I'm going to take it apart and put a normal gasket in it.
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I have one in the garage that I pulled off a old block. In good condition. If you want it.
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I have one in the garage that I pulled off a old block. In good condition. If you want it.
I just picked one up this morning thanks though.