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Old 09-10-2018, 11:25 PM   #38
ls1nova71
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Join Date: Dec 2009
Location: Independence Mo
Posts: 4,118
Re: LM7 5.3L to F-body oil pan

Yes, that is the spot, you can compare it to the pic I posted earlier. The hole, although probably metric is really close to 3/8, so a bit that size should work. The O ring on the dipstick will seal it. Drill with a smaller bit first and work your way up, don't start out with a 3/8 or you probably wont have very good results.
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My '72 short bed build. http://www.ls1tech.com/forums/conver...6-0-4l80e.html

5.3 swap into my RUSTY '71 C10
http://ls1tech.com/forums/conversion...71-c-10-a.html
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