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 3Likes
02-06-2013, 12:58 PM
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CC Member
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Join Date: Dec 2001
Location: Louisville,
KY
Cobra Make, Engine: I'm Cobra-less!
Posts: 9,417
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Not Ranked
Ah man...... 
I guess I'll have to take your word for it since we don't have pictures of the bearings.... 
Last edited by blykins; 02-06-2013 at 01:02 PM..
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02-06-2013, 02:33 PM
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CC Member
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Join Date: Oct 2000
Location: Crystal Lake,
IL
Cobra Make, Engine: Everett-Morrison, 434 cid
Posts: 977
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Not Ranked
Pre-oilers were originally developed for aviation use on radial engines during WWII. The highest wear point is at the cam and lifters and because of the radial engine design a pre-oiler is able to flood those components and start-up wear is reduced. Pistons, rod bearings, and crank bearings do not experience start-up wear without a pre-oiler and therefore do not benefit from one. As far as evidence, the millitary collected scientific data and published the reports... but, I'm not going trying to research them.
Today, the aviation industry doesn't have scientific evidence for pre-oilers on modern engine designs. Although, by borrowing from the millitary reports on the radial design, the case is made that on engine designs where the cam is below the crank, wear would be reduced. What I find entertaining is, if you read aviation websites, you will find that those guys sound a lot like you guys.
Personally, I don't worry about start up and for a track application I use a drysump... which my Chevy came with from the factory .
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02-06-2013, 04:15 PM
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Senior Club Cobra Member
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Join Date: Feb 2007
Cobra Make, Engine: KMP 539, a Ton of Aluminum
Posts: 9,592
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Not Ranked
Quote:
Originally Posted by scottj
What I find entertaining is, if you read aviation websites, you will find that those guys sound a lot like you guys.
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Uh, does that make us pilots then? Or maybe just as smart as pilots?  |
02-06-2013, 04:20 PM
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CC Member
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Join Date: Oct 2003
Posts: 4,078
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Not Ranked
Quote:
Originally Posted by RodKnock
Uh, does that make us pilots then? Or maybe just as smart as pilots? |
Uh-only if you leave the hangar once in a while... 
__________________
Chas.
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02-06-2013, 04:37 PM
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Senior Club Cobra Member
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Join Date: Feb 2007
Cobra Make, Engine: KMP 539, a Ton of Aluminum
Posts: 9,592
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Not Ranked
Quote:
Originally Posted by ERA Chas
Uh-only if you leave the hangar once in a while... |
I "leave the hangar" nearly every day, almost immediately after taking my clothes from it. |
02-06-2013, 04:50 PM
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CC Member
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Join Date: Dec 2011
Location: West Chester,
PA
Cobra Make, Engine: ERA #795 427 S/C completed Jan. '14 - '68 FE 427 side oiler
Posts: 1,059
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Not Ranked
Quote:
Originally Posted by RodKnock
I "leave the hangar" nearly every day, almost immediately after taking my clothes from it. |
__________________
"Anyone who drives faster than you is a maniac and anyone who drives slower than you is an idiot" - George Carlin
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02-06-2013, 04:50 PM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,025
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Not Ranked
Both of you are morons.  |
02-06-2013, 04:13 PM
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Senior Club Cobra Member
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Join Date: Feb 2007
Cobra Make, Engine: KMP 539, a Ton of Aluminum
Posts: 9,592
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Not Ranked
Quote:
Originally Posted by blykins
I guess I'll have to take your word for it since we don't have pictures of the bearings.... |
Any picture that I could take of a bearing would be worthless anyway, since I wouldn't know what one looks like even if it hit in the a$$. |
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