03-02-2024, 04:03 PM | #1 |
Drives: 2021 SS 1LE Join Date: Mar 2023
Location: Planet Earth
Posts: 79
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How to get an oil sample out of an LT1
Ok, I feel SUPER dumb right now..
I've used Blackstone for oil analysis for years (probably going. back 15 years now..). I have a little hand held vacuum pumps that draws oil into oneof their sample bottles. It uses 1/4" tubing. I can't see to get the tubing all the way down the dipstick tube - its hitting a block of some kind after about the same depth as the dipstick itself. The dipstick obviously goes all the way in no problem.. This is the annoying thing - I've already done one oil sample on this thing after I bought it w/ 4700 miles on it. I don't remember if I went through the dipstick for the sample or just filled a sample bottle up while draining. Sooo... those of you doing oil samples - how are you doing it via the dipstick? Is 1/4" tubing just too big or is there some other trick I don't know? |
03-03-2024, 12:58 AM | #2 |
Give speed a chance
Drives: 2015 Camaro 2LS, 2015 Camaro Z/28 Join Date: Nov 2019
Location: Mesa, Az
Posts: 2,270
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I've just been getting it from the drain plug during an oil change. I get the engine up to operating temp. Pull the drain plug. I let it flow just a bit then I catch about 1/2 quart into a Painter's Pail container. Pour enough oil into the sample bottle and send it.
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03-03-2024, 05:28 AM | #3 |
Snackbar Tuning
Drives: 2023 SGM ZL1 Join Date: Oct 2016
Location: Florida
Posts: 1,160
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I do it when I change the oil. You could use a very small tube and a vacuum device and push it down the dip stick tube but that seems like the harder way to do it.
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03-03-2024, 06:48 AM | #4 |
Drives: 2017 2SS, 50th pkg, M6, MRC, NPP Join Date: Jan 2016
Location: Ocean City, NJ
Posts: 3,219
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What is the quantity requirement? Getting it at the oil change is easiest. If you wanted to get it before the change you could also loosen the plug and let it drip for a while, without fully removing the plug. This will go faster if oil is warm.
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03-03-2024, 12:17 PM | #5 |
Drives: 2021 SS 1LE Join Date: Mar 2023
Location: Planet Earth
Posts: 79
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Its a few ounces, like 3-4'ish. That's a good idea to loosen the drain plug.
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03-03-2024, 12:20 PM | #6 | |
Drives: 2021 SS 1LE Join Date: Mar 2023
Location: Planet Earth
Posts: 79
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Quote:
Its worked great on a C5 ZO6, Focus ST, Audi S3 & S4, LLY Duramax.. I just can't get the damn tube all the way down the dispstick tube. Its almost like there is a check valve / flapper door at the bottom of the tube that prevents the 1/4" line from going further down the tube or something. |
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03-03-2024, 12:21 PM | #7 |
Drives: 2021 SS 1LE Join Date: Mar 2023
Location: Planet Earth
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On all my cars I generally grab a sample during oil changes - but there are times whenI want to grab a sample without a change, plus honestly its SOOO much easier to just stuff a tube down the dipstick tube and suck out 3 -4 oz of oil than the hassle of jacking the car up etc..
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03-03-2024, 12:54 PM | #8 |
Drives: 2023 Camaro 1SS 1LE 6MT Join Date: Nov 2023
Location: Vancouver Island
Posts: 200
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Am I the only weirdo that pulled a sample from the drain plug without changing the oil? I found it pretty easy and mess free actually.
I've only done it once when I was curious what it looked liked before the oil change was necessary, it's easy so I figured why not. I use ramps, I could see if you had to jack the car up the vacuum out the dipstick could be easier. With the ramps though it's just so easy to do it underneath |
03-03-2024, 04:20 PM | #9 |
Drives: 2018 Hyper Blue 1SS 1LE Join Date: Jul 2011
Location: Brownsburg, Indiana
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I used to collect the sample after pulling g the oil plug but when I switch oil analysis companies they had a small vacuum pump to pull through the dip stick with plastic tubing.
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Ryan
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03-03-2024, 04:59 PM | #10 | |
Drives: 2024 ZL1 Join Date: Apr 2023
Location: Campbell River, BC, Canada Eh!
Posts: 376
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Blackstone has smaller tubing for their sample pumps.
https://www.blackstone-labs.com/prod...ick-draw-pump/ Quote:
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03-03-2024, 10:03 PM | #11 | |
Drives: 2021 SS 1LE Join Date: Mar 2023
Location: Planet Earth
Posts: 79
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Quote:
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03-03-2024, 10:06 PM | #12 | |
Drives: 2021 SS 1LE Join Date: Mar 2023
Location: Planet Earth
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Quote:
We have tight garage quarters - so jacking the car up means moving 2 cars and possibly a pickup truck out of the way. I get as far as "I should move the first car" and go F*ck it I"ll do it another day.. LOL. The depths of my laziness are nearly bottomless |
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03-03-2024, 11:52 PM | #13 |
Drives: 2023 Camaro 1SS 1LE 6MT Join Date: Nov 2023
Location: Vancouver Island
Posts: 200
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LOL Fair enough! I could see that changing ones decision on this topic!
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03-04-2024, 06:59 AM | #14 |
Drives: 23 ZL1 A10 Rapid Blue Join Date: Aug 2020
Location: MO
Posts: 2,016
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I get the taking it from the topside in your situation but also it's easy to drop the oil filter and get what you need.
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