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small block oil pan test

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Old Dec 21, 2009 | 11:50 AM
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From: 2011,2012 ECS CC 10.50 CHAMP Massapequa NY
Default small block oil pan test

Anybody have the a link to oil pan tests? I've been trying to find one but cant.
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Old Dec 21, 2009 | 01:40 PM
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I have never seen one. I asked a lot of questions of fellow road racers. While I finally purchased a Canton 6 quart Road Race pan, I also think an accusump is a good idea on many levels, including the pre-oil feature. I have not heard of a single pan yet that was perfect.
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Old Dec 21, 2009 | 03:26 PM
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Originally Posted by cottoneg
I have never seen one. I asked a lot of questions of fellow road racers. While I finally purchased a Canton 6 quart Road Race pan, I also think an accusump is a good idea on many levels, including the pre-oil feature. I have not heard of a single pan yet that was perfect.
I would like to see a back to back test with different pans, trays and kick outs. I have a Milodon stroker pan that I was thinking of changing. I know it makes good power but was looking to try a different pan. I had modified the one I have to fit into my vega and it looks like crap. I also can not run more than 4.5 quarts in it or it looses oil pressure. Its suppose to be a 6 quart pan. They originally had it as a 7 quart pan but changed it.
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Old Dec 21, 2009 | 04:14 PM
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Why would a pan loose pressure with additional oil?

I have an 8 qt morroso stroker pan on one of my motors. With a large oil filter it makes 9.

I have a 7 qt and a 4 qt Accusump in my Vette now

Last edited by gkull; Dec 21, 2009 at 04:17 PM.
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Old Dec 21, 2009 | 05:50 PM
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From: 2011,2012 ECS CC 10.50 CHAMP Massapequa NY
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Originally Posted by gkull
Why would a pan loose pressure with additional oil?

I have an 8 qt morroso stroker pan on one of my motors. With a large oil filter it makes 9.

I have a 7 qt and a 4 qt Accusump in my Vette now
I think its air rates the oil at high rpm. I filled the pan with 7 quarts of water and it went over the crank level. Which pan are you using? I like the 21017 pan.
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Old Dec 21, 2009 | 06:00 PM
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I would call moroso. I think that my pan is more like 8 1/2 deep. But the problem with Vettes is you need a shallow front to clear the steering arm above the ram.
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Old Dec 21, 2009 | 06:23 PM
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Originally Posted by L79racer
I think its air rates the oil at high rpm. I filled the pan with 7 quarts of water and it went over the crank level. Which pan are you using? I like the 21017 pan.


+1

If I run a full 6 qts in my Moroso 6 qt pan, I lose 47hp and about 7 psi oil pressure at 6000 rpms. I run 5.5 qts and I instantly gain the power back and oil pressure hangs on better. My engine builder told me this would happen, I had to test it for myself and it damn sure did lose 47hp....I would have never believed it had I not seen it. Keep in mind this is 4.25" stroke.
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Old Dec 21, 2009 | 11:18 PM
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Originally Posted by ajrothm
+1

If I run a full 6 qts in my Moroso 6 qt pan, I lose 47hp and about 7 psi oil pressure at 6000 rpms. I run 5.5 qts and I instantly gain the power back and oil pressure hangs on better. My engine builder told me this would happen, I had to test it for myself and it damn sure did lose 47hp....I would have never believed it had I not seen it. Keep in mind this is 4.25" stroke.
I found out the hard way. I broke the motor in with 5 quarts of Dino oil. I then added synthetic and filled the pan as it was supposed to be and took it out to test. One pass and it spun a bearing!!! Piston hit the head and you know the rest. Rebuilt the motor and with a full pan I watch as oil pressure starts to drop as I bring the rpms over 6000. Spoke to a lot of engine builders and they said add more oil I was sucking the pan dry with a high volume pump. To shorten the story, one guy told me to take oil out. I was reluctant thinking it might have starved for oil. I did it and problem was solved.
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