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Engine OK to sit on ground: damage to oil pan?

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Old 06-25-2018, 12:37 PM
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Default Engine OK to sit on ground: damage to oil pan?

Hello,

I need to connect my engine and trans before installing them in my car. Is it OK for an LS engine to sit on the ground on its oil pan? What about after I get them connected together? Can the engine and transmission sit on the ground without damaging the oil pan? The aluminum F-body oil pan I put on the 5.3 certainly feels stronger than the old metal pans on the 350s that we used to sit on the ground.

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Brandon
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Old 06-25-2018, 01:10 PM
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I don't see an issue with it, especially with the cast alum oil pan. Personally, I'd put some wood blocks underneath the pan to prevent scratching up the bottom.

When I did the swap in my 67 Firebird, I had the engine sitting on a heavy duty furniture dolly. That way I can roll it around, plus it makes installing the transmission awhole lot easier.
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Old 06-25-2018, 01:48 PM
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On the other hand -- I wouldn't take the chance. Aluminum castings are actually pretty easy to break, especially with a point load. Of course, I had the handy wooden "stand" the motor came to me in, so it was easy to store it there when it wasn't hanging from the cherry picker.

This is going to be one of those things where both sides of the issue will be pointed out. Bottom line -- you get to decide.
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Old 06-25-2018, 02:29 PM
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On top of wood is good. Or an old tire. Even grass. It's a damn shame though, when a search engine gets left in the weeds indefinitely.
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Old 06-25-2018, 05:23 PM
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Originally Posted by jmd View Post
It's a damn shame though, when a search engine gets left in the weeds indefinitely.
Yep.... the poor, neglected search engine... ignored by most first-time posters....

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Old 06-25-2018, 05:38 PM
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In my experience the search engines get ignored because they rarely produce the info Iím looking for....
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Old 06-25-2018, 05:43 PM
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Originally Posted by Michael Yount View Post
In my experience the search engines get ignored because they rarely produce the info Iím looking for....
Often quite so! One has to be VERY careful with word choices to get results within the definition being searched.
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Old 06-25-2018, 06:50 PM
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More precisely, one has to imagine/guess/make up whatever someone else called the stuff one is trying to find out about...
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Old 06-25-2018, 09:08 PM
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Precisely! LOL
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Old 06-25-2018, 10:59 PM
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Thanks for the replies:

Oil pan, Oil pot, oil jug, oil tin thang, leaf catcher, metal shaving collector, crush ring of fire, sump house, windage home, valdez Jr., fram shaving evidence,

Maybe that'll help.
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Old 06-26-2018, 06:11 AM
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Thatís how itís done right there.
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Old 06-26-2018, 03:07 PM
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My engine was shipped across country banded and stretch wrapped to a pallet with the weight of the engine sitting on the factory aluminum pan. It had some simple wood blocks underneath so the weight was distributed across the front part of the pan and the bottom of the sump. There was no damage while going through freight shipment and that is much harsher than just lowering it carefully with a hoist. I'm sure if you set some wood blocks under in the right places it will be just fine, with or without the transmission connected to it.
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Old 06-26-2018, 04:37 PM
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GM ships them wire strapped to a pallet front/rear each side with the weight of the engine bearing on the four big machining tabs at each corner of the block (supported by 4 2x4 columns) - cast oil pan suspended above the pallet bearing no weight at all. As shown below....

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Old 06-26-2018, 04:41 PM
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I’ve set quite a few of them on my shop floor. I use a 4x4 block under the balancer to support the front. The key is to set it down very easily. VERY easily.
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Old 06-27-2018, 11:21 AM
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Originally Posted by Michael Yount View Post
GM ships them wire strapped to a pallet front/rear each side with the weight of the engine bearing on the four big machining tabs at each corner of the block (supported by 4 2x4 columns) - cast oil pan suspended above the pallet bearing no weight at all. As shown below....

this seems like a good way to go to avoid damaging the pan, overcompressing the pan gasket or damaging the crank bearings or balancer itself. but with that said people do set them on their pan and balancer all the time and don't seem to have issues so probably just my paranoid brain
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Old 06-27-2018, 12:25 PM
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As I mentioned in the post, I had it sitting there (the pallet/stand) so it was a no-brainer to use it and not subject the brand new motor/pan to any risk.
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Old 06-27-2018, 12:26 PM
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A little paranoia is OK. Too much will destroy ya....
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Old 06-27-2018, 12:33 PM
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The pan can support the weight of the engine no problem.

Its impact that the pans can't withstand. Don't drop the engine on the floor.
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Old 06-27-2018, 12:39 PM
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Itís not paranoia if theyíre really out to getcha... 😎
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Old 06-27-2018, 02:16 PM
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I like how GM crates their engine. Those four tabs on the block are probably also used for support and positioning during production machining and assembly.

Mine wasn't crated like that though; definitely was sitting on the pan when it arrived.
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