5.3 LS oil pan clearance
The factory LM7 - 5.3 LS oil pan fits into my 69 c10 by a good ways with Dirty Dingo Slider engine mounts. There is probably 5 inches between the pan and the cross-member. (pics will come once the engine is mounted in the truck)
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Re: 5.3 LS oil pan clearance
Yes the pan will fit the chassis. The extended part of the truck pan, that part that is below the cross-member, is just too low for a lowered truck. It is a couple inches below the factory cross-member.
If you plan on lowering your truck I can't recommend the factory truck pan. Stock or higher I don't see an issue with it. Cheers |
Re: 5.3 LS oil pan clearance
Here are all the various pan dimensions. You might be able to use a factory pan if you do some measuring.
https://www.improvedracing.com/gm-ls-oil-pan-dimensions |
Re: 5.3 LS oil pan clearance
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Re: 5.3 LS oil pan clearance
I agree it is a missed addition to the cool site with references.
The early truck depth is 9" The gm retro fit pan is 7.750 |
Re: 5.3 LS oil pan clearance
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Pictures from my not lowered truck, dirty dingo sliders and the factory 5.3 pan
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Re: 5.3 LS oil pan clearance
That doesn't look too bad.
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Re: 5.3 LS oil pan clearance
Just remember LS pans don't dent they break if you hit something really solid.
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Re: 5.3 LS oil pan clearance
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For reference, here is the clearance with the 302-1retro fit pan. Keep in mind, this is also with a 3/4" pancaked crossmember, so the pan would be even more protected with a stock crossmember. I went with the 302-1 because it gave me almost 2 more inches between the crossmember and vertical face of the sump area compared to the 302-2. The consequence is that the 302-1 is about 1/2" deeper, but that turned out to be a safe compromise.
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Re: 5.3 LS oil pan clearance
Thanks Mr3Speed and hewittca for the pictures. I've got a 302-1 on order.
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Re: 5.3 LS oil pan clearance
On my LS1 swaps with LS1 coil covers I use the Lokar oil dip stick. I find the truck and Camaro stock dip stick too long and kind of in your face.
I think Trans Dapt has a less expensive version of the Lokar. |
Re: 5.3 LS oil pan clearance
I don't know if the factory dip stick works. I was under the impression that it did not so I ordered what was supposed to be the correct one for this pan, which happens to be from a Camaro. It's PN 12625031 tube and 12669528 stick. It looks fine for my build, but it does stick up quite a bit if you're trying to do something cleaner than my truck. Other than that it was a straightforward swap. I would definitely add the second mounting bolt on the oil pickup tube. Stock only has one but there is a treaded hole for a second and the tube that comes with the kit has a hole to let you utilize it.
https://live.staticflickr.com/65535/...5167ddcb_b.jpg |
Re: 5.3 LS oil pan clearance
Here's the Dorman part numbers for the GM Part Numbers above.
DORMAN 921-045 DORMAN 921-044 When I did mine I think the Dorman were slightly cheaper... |
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