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5.3 dipstick reading incorrect

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Old 04-19-2015, 11:50 AM
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Default 5.3 dipstick reading incorrect

I have a 5.3 LM7 I'm putting in a K1500. Using stock manifolds, oil pan, dipstick, heads, and accessories. This has been my first overhaul on an LS, and I haven't started it yet. I put in 6.75 qts to compensate for empty oil passages and such but I have barely any oil on the dipstick. What can I check? Also I have yet to find any kind of seal to go on the dipstick tube, is there supposed to be one?

Thanks in advance for any help
Old 04-21-2015, 07:54 AM
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there should be an o ring for the dipstick tube, i can find the part right now but i know there is one needed
Old 04-21-2015, 01:22 PM
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Mine has an o-ring on it. The dipstick is pretty long. I know it is probably a dumb question but are you sure you have it the correct hole in the block? Passenger side just above oil pan.
Old 06-07-2015, 04:47 PM
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Lost track of where my thread went lol. Anyway I took a few pictures to verify the dipstick is in the proper location and if that dipstick looks right for a LM7. I'm sure the o-ring is wrong, but could it throw off my readings that much?
Attached Thumbnails 5.3 dipstick reading incorrect-img_20150607_162551.jpg   5.3 dipstick reading incorrect-img_20150607_162431.jpg  
Old 06-07-2015, 05:23 PM
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Found some measurements for the dipstick
https://ls1tech.com/forums/generatio...ick-truck.html

Metal to metal dipstick length for my dipstick is 27-5/8", the overall length including the handle isn't even the 31.75" described. So I'm going to order a new dipstick and see if that fixes the issue.

On another note, the truck does run and drive, maintains a good ~50 psi of oil pressure read through a new Auto Meter oil pressure gauge. So I don't think I'm going crazy...yet.



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