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Old 03-12-2010, 06:43 AM   #1 (permalink)
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Home made LS1 oil pan

Thinking about cutting down my gen 3 truck oil pan. I got the plasma and welder to do it. Anyone here done that yet? Not trying to be cheap, jut like doing things myself. Plan on cutting with plasma and welding pan with spool gun. Going to tig the pick up. Pros and cons? What would be a good baffle design for off road?
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Old 03-12-2010, 07:53 AM   #2 (permalink)
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Not to overstate the obvious but you should search.
https://www.pirate4x4.com/forum/showthread.php?t=870000

thread in the last few days about basically this topic with pictures of how people modified pans and how for the most part they still didn't work
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Old 03-12-2010, 03:09 PM   #3 (permalink)
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I did search and found nothing on cutting an old pan down to gain ground clearance. Great info on oil control, just nothing on cutting and welding truck pan.
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Old 03-12-2010, 04:26 PM   #4 (permalink)
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Cutting the truck pan would work fine, but you wont have a ton of oil capacity because the sump is so small .


http://ls1tech.com/forums/conversion...-oil-pans.html
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Old 03-12-2010, 04:48 PM   #5 (permalink)
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Quote:
Originally Posted by imagineer View Post
Cutting the truck pan would work fine, but you wont have a ton of oil capacity because the sump is so small .
This.

If you just chop the pan to make it shorter you lose the capacity. On an LS motor the pan is shorter, but the sump is longer.
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Old 03-27-2010, 10:33 AM   #6 (permalink)
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I went ahead and cut a couple inches off the bottom of a truck pan and flattened it out. dropped capacity from 6.5qts to 5.25qts. I did this rather than a new pan because of the way my exhaust is currently routed under the pan, wouldn't have worked with an aftermarket. and because I'm broke.

I plan on building trap doors and a lip towards the back of the sump(replacing windage tray) to hold more volume during inclines. I'll let you know how it turns out. btw, it was a PITA to weld even though it was cleaned thoroughly right before the TIG job. had to be welded on the inside and outside. guessing the issue was due to the porosity of the metal absorbing oil over time.

If it doesn't work, I'll get a kevko and redo the exhaust.
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Old 03-27-2010, 11:05 AM   #7 (permalink)
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I cut mine down on my old buggy, its easier to just use a cut off wheel and will produce a better fit when you put the plate on the bottom. I tigged mine so I wanted to make sure there were no gaps. I never had any problems with oiling, but I only had the rig on the trails 5 or 6 times before I sold it. Looking at all the LS oiling threads now I would have just bought an aftermarket pan and an accumlator for piece of mind.
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