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Topic Review (Newest First)
09-11-2008 01:54 PM
y2k600f4 Curtis....thanks. You are absolutely right, I guess I should not of added that 1 qt before measuring the volume myself....I took the info from another source stating that it was a 1 qt o/f and as you said it is more like 1/2 qt. I guess I am probably over filled around 1/2 qt.

FYI I got the specs from an chevy SBC specs off of Gilbert Chevrolet website:

Quote:
Oil Filter: ACDelco P/N PF1218 same as GM P/N 2516056. This is a long style filter that holds approximately 1 quart of oil.
The PF1218 has been replaced by the PF5.

Do you propose I first correct the level than trim the dipstick tube to get the proper level ?

I found some other posts that mention that a windage tray may be causing some false readings...
09-11-2008 01:45 PM
curtis73
Quote:
Originally Posted by y2k600f4
I agree, however I am using a fram PH5 that from a few sources it is a 1 qt filter. Doing a rough volume calculation (not taking into acount internals) it is ~ 1 qt.
The volume of the cylinder is 1 qt. Until you stuff it with over 3 ft of pleated paper, a cardboard bypass valve, a threaded cap, plastic pieces to hold the paper together, and a bypass screen, who knows what it is?

Did you ever try filling the filter before putting it on? It takes less than half a quart even if you let it sit for a few hours and soak up.

WAY too many variables to assume that it would be accurate.

Not busting chops, its just that peace of mind in this case is $2-20 to get the right part and be done with it.
09-11-2008 01:35 PM
y2k600f4
Quote:
Normally I would agree, but since you can buy at least four different filter capacities, and different manufacturers have completely different guts, assuming volume of a certain filter is not a good idea if you're going for accuracy. There are filters that hold just over a pint all the way up to 1.6 quarts for some of the tall van/truck filters.
I agree, however I am using a fram PH5 that from a few sources it is a 1 qt filter. Doing a rough volume calculation (not taking into acount internals) it is ~ 1 qt.

Does anyone know the spec of the oil level from the bottom of the block. Trying to find the lenght of dipstick from the bottom of block that protrudes in the pan for a SBC...no luck yet.
09-11-2008 01:31 PM
curtis73
Quote:
Originally Posted by BBCMudbogger
drain the oil, put the known amount in and mark the stick wherever it reads the oil line after of course your +1 is in the filter

Normally I would agree, but since you can buy at least four different filter capacities, and different manufacturers have completely different guts, assuming volume of a certain filter is not a good idea if you're going for accuracy. There are filters that hold just over a pint all the way up to 1.6 quarts for some of the tall van/truck filters.

We've beaten this to death with mix n match parts that we can't know without further parts.... since you have to buy parts anyway, why are we still trying to make a 25-cent dipstick work?

Listen... take a 1/2" wrench and $2 to the junkyard. Pull a dipstick out of any SBC or 4.3 V6 with the same dipstick location as yours. Take it home and compare the length of the oil level mark down from the seating bulge in the tube. That measurement is standard for every small block ever built. Don't guess.... Know.

Or, if you want to skip the work, go to the parts store and shell out $17 for a new set that you know matches.
09-11-2008 08:21 AM
y2k600f4
Quote:
drain the oil, put the known amount in and mark the stick wherever it reads the oil line after of course your +1 is in the filter
Exactly what I did....however the oil level barely reads on the dipstick. I can either use a longer dipstick (21" vs 19"); or cut the tube 2", then the oil will be in the correct spot. Alternatively I can just cut off 1" then re-mark the dipstick. Any suggestions ? Thanks.
09-11-2008 07:22 AM
BBCMudbogger drain the oil, put the known amount in and mark the stick wherever it reads the oil line after of course your +1 is in the filter
09-11-2008 02:54 AM
y2k600f4 I think the dipstick is 2" shorter than it should be. I need a 21" dipstick to go along with the 6.5" tube for the oil level to correctly read at 7+1 qts. Are they available ? I know I can always cut 2" off the tube but wanted to check if this was correct first before I did anything. Thanks.
09-10-2008 07:01 PM
curtis73
Quote:
Originally Posted by y2k600f4
I thought the oil pan capacity was not an issue and that the dipstick should still register the same. Am I missing something ???? Thanks.
You are correct... the dipstick will be the same regardless of pan since the important part is the oil level relative to the crank. The proper oil level remains the same regardless of what happens to the pan configuration.
09-10-2008 06:53 PM
y2k600f4
Quote:
Did you compare the length of the stock dipstick to the "double throwdown" aftermarket stick from the cup that covers the female tube to the oilpan end of the stick? I suspect the chrome one is shorter.
Good point, unfortuneately I do not have the stock one since I did not install it. It is a standard SBC and I can try and find the stock length. Thanks.
09-10-2008 06:16 PM
techinspector1 Did you compare the length of the stock dipstick to the "double throwdown" aftermarket stick from the cup that covers the female tube to the oilpan end of the stick? I suspect the chrome one is shorter.
09-10-2008 06:00 PM
y2k600f4
7 Quart oil pan and Dipstick Problem

I have Chevy 383 with a 7 qt oil pan (looks like to be a proform 66164 or another brand similarly shaped). The dipstick is an after market standard chrome 19" and the tube is 6.5". Just did an oil change and added 7 qts and the level is approx 1/8" from the end of the dipstick. Added another Qt to account for the Fram PH5 oil filter and it still is about 1/8" from the end. I thought the oil pan capacity was not an issue and that the dipstick should still register the same. Am I missing something ???? Thanks.

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