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BRINGING IT ALL TOGETHER.... A's, G's & E's


5 posters

    chevy oil dip stick tube length

    redvango
    redvango


    Number of posts : 125
    Location : bellingham washington
    Registration date : 2015-06-27

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    Post by redvango Sat Nov 05, 2022 7:09 pm

    my oil dip stick is reading over fill on late 70s 250 chevy!? I think i put the 60s tube on the 70 block? So at 4 and a half quarts whats the length of the tube? Or i just cut one to fit the dip stick!?

    gmytych likes this post

    Russell
    Russell


    Number of posts : 698
    Location : Chula Vista, Ca.
    Age : 63
    Registration date : 2015-12-08

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    Post by Russell Sun Nov 06, 2022 7:30 am

    I had a 350 small block with same problem, after putting in 5 quarts my dipstick showed it a quart low. It was a aftermarket chrome tube and stick so I figured it had to be off. I cut the tube so it read full at 5 quarts.

    AzDon likes this post

    redvango
    redvango


    Number of posts : 125
    Location : bellingham washington
    Registration date : 2015-06-27

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    Post by redvango Sun Nov 06, 2022 10:30 am

    Yes so i just order a tube i hope will be the right length or i can cut down!? It seems depending on the year some were 4 quarts others were 4and a half!? and the dip stick by the fuel pump (shallow end) or near the oil pump screen the deep end or the oil pan!? i must have change the tubes ??? damn it
    gfleduc
    gfleduc


    Number of posts : 371
    Location : Kingwood Texas
    Age : 68
    Registration date : 2015-09-19

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    Post by gfleduc Sun Nov 06, 2022 10:41 am

    Okay the original 65 & 66 van tubes are ~ 6/3/4" - shorter than the later cars etc.

    I suspect you may have P/N 3828073 which is 8-31/32" long.

    On your dip stick what is the distance from the stop (where it mates to the top of the tube to either Full |          | ADD     marks.
    donivan65
    donivan65
    Governor
    Governor


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    Location : San Diego, California
    Registration date : 2008-05-12

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    Post by donivan65 Sun Nov 06, 2022 8:45 pm

    This is my 250 system,,,tube sticks up 3 1/2", dipstick is 10 1/2",,,,,,I dont  know that the oil pan, dipstick and tube are all the same on the 194, 230, 250 and 292 engines.


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    gfleduc
    gfleduc


    Number of posts : 371
    Location : Kingwood Texas
    Age : 68
    Registration date : 2015-09-19

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    Post by gfleduc Mon Nov 07, 2022 1:13 pm

    Same dimensions as above for my original '65 230 engine.
    redvango
    redvango


    Number of posts : 125
    Location : bellingham washington
    Registration date : 2015-06-27

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    Post by redvango Mon Nov 07, 2022 9:15 pm

    chevy oil dip stick tube length Resize14                                      Here is my engine and the tube is 5" Length and the dip stick is 12" length and at 4 and a half quarts reads 1" above the full line! And as you can see my oil pressure sender is on the right side of the dipstick?!As far as i know the 230 engine's had a thin wall at the # six cylinder and hair line cracks would mix the oil into the water jacket which is what mine did and so chevy made the 250 in replace of it ?!So i was told because i couldn't fine a 230 block in the mid 80's! In late 80's the Harmonic Damper came lose(the key way) when a friend had a 250 block i had the crank machined and put that in! i look at a chevy nova site on six bangers and they show the dip stick by the fuel pump?!Bottom line if i make the tube 1" longer the stick will be right or shorten the stick at the top by an inch!?
    donivan65
    donivan65
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    Governor


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    Post by donivan65 Mon Nov 07, 2022 10:41 pm

    I guess slide a piece of rubber tubing up on the dipstick will raise the dipstick up to read Full.......


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    redvango
    redvango


    Number of posts : 125
    Location : bellingham washington
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    Post by redvango Tue Nov 08, 2022 8:50 am

    Doni: what's your thought on the oil sender being in a different spot than yours?
    donivan65
    donivan65
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    Post by donivan65 Tue Nov 08, 2022 9:29 am

    I think we need to look at all our straight 6 engines and see if anyone has their  dipstick BEHIND the oil sender unit,,,,,,I surely aint never thought about it,,,,,,,but now that you brought it up,,,,,,maybe its a newer engine,,,,,maybe its one of those for one that came with the integral head,,,,maybe its a Canadian engine engine,,,,,,,,maybe its a Mexican engine,,,,,,,,maybe its a Pontiac engine,,,,,maybe its an Oldsmobile engine,,,,,,I'm looking at 4 engines here and all those are forward of the oil sender,,,,not really forward, the tube hole  is right below the sender hole and the tube just leans forward,,,,,,your tube may be in the right place, its the sender thats in a different place,,,,,,,,so lets see if someone can solve your,,,,,,,,,,,,mystery
    redvango
    redvango


    Number of posts : 125
    Location : bellingham washington
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    Post by redvango Tue Nov 08, 2022 9:46 am

    Yea I call the local dealer and the parts guy was nice enough to investigate the oil capacity on 250 inline! I'm on a Wikipedia sit and it shows G M made all sorts of Inline six's over the years and like you said was it a car a truck and what country? I'm 20 mile's from canada it could be a Acadian (canadian nova)?
    donivan65
    donivan65
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    Post by donivan65 Tue Nov 08, 2022 10:43 am

    The oil pan shape will affect oil level, it might of been changed to avoid hitting steering linkage or cross members on certain vehicles,,,,,just depends if you can live with that little piece of rubber hose lifting the dipstick up to the Full mark,,,,,,,,


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    AzDon
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    Post by AzDon Tue Nov 08, 2022 11:41 am

    Well..... Assuming you have a stock pan and no oil coolers....
    I think what I would do is an oil and filter change putting in five quarts of oil...
    After running it a few minutes, I'd either re-mark the "full" mark or just make a mental note that what you are seeing in that moment is "actual full"....
    Backing up a bit, wen you've poured four quarts in, you can mentally or physically re-mark the quart low mark...
    redvango
    redvango


    Number of posts : 125
    Location : bellingham washington
    Registration date : 2015-06-27

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    Post by redvango Tue Nov 08, 2022 5:35 pm

    but is 5 Quarts the correct amount? Thats where i started (what is the oil capacity) Some site's say 4 and 1/2 ? i'm reading over full with a12' stick and 5" tube that i saw on a site was what they had? It mite be the oil pan so maybe we need to know it's dimension???
    AzDon
    AzDon


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    Post by AzDon Wed Nov 09, 2022 6:12 am

    It's four plus the filter which is actually a bit over four in the pan because a filter holds less than a quart....
    redvango
    redvango


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    Location : bellingham washington
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    Post by redvango Wed Nov 09, 2022 9:47 am

    and i put 4 and 1/2 with a new filter! how did you come up with 4 in the pan?

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