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Old 05-03-2022, 06:58 AM   #4
CarlsLQ9SS
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Join Date: Aug 2018
Location: London, Ky
Posts: 1,162
Re: doing an ls swap in my 69 c20

Quote:
Originally Posted by Accelo View Post
It was my understanding that the truck pan would work. It does depend on your motor setback /placement. However, it hangs down several inches below the front cross-member. If you are running stock height or a 4X4 it will not likely be an issue. If you are going low, I wouldn't recommend the lowest part on the underside of your truck be the oil pan.
I used the GM pan sold just for conversions. Comes with the dipstick and windage tray.
It's a nice piece. This pan will be close to even or sightly above the lowest part of the cross-member. I will get you a picture later today.
You are correct, the stock truck LS pan will work but it hangs down past the cross member a few inches. One option is a GM LS muscle car or H2 pan, and can be bought in a complete kit with the windage tray, oil pan, dipstick and tube, with a oil pan gasket and all bolts and nuts for less than $200 on eBay. I had a problem with mine where the drain plug itself hung below the cross member but the rest of the pan was level with or above it. That could have been because of the mounts I used. Another option that I ended up going with on my truck is the 98 to 02 F-body pan. It clears everything really good, and is above the cross member and if your truck is low is a great option.
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Carl
1971 GMC short bed, (Henry)
Options I've added, tilt, ac, 8k tach,
Electric speedometer conversion for LS swap,
6.0 with 823 heads and BTR stage 4 truck cam,
4L80e, posi with 3.73 rear end,
Power steering and power brakes
Lowered 5/7. Frame up build.
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