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> Oil Fill/Quantity
Tom1394racing
post Apr 23 2026, 05:43 PM
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I have been enjoying my freshly restored 914-6 GT Tribute and now it is time for the first oil change. The car has Ben's oil tank and a front cooler.

I assume the process is similar to that on a 911. The system should hold 10-12 quarts of oil. I added about 9 quarts initially. Now I need to warm the car up and with the car running and sitting on a level surface, add oil until the dipstick shows oil about midway on the clear section of the dipstick.

Sound about right?

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930cabman
post Apr 23 2026, 06:03 PM
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Great question

I am running the aluminum oil tank from PMS (assume it's very similar) and are still looking for the answer. When I get enough oil in the tank to have anything show up on the dipstick, she smokes bad. I'm thinking the correct amount will be somewhere in the 9+/- range. Seems as though 10 is too much

Can you get a measurement of the dipstick not including the loop? I am away from my shop, but recalling around 16 1/2" is the length of what I have
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fixer34
post Apr 23 2026, 06:32 PM
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QUOTE(930cabman @ Apr 23 2026, 07:03 PM) *

Great question

I am running the aluminum oil tank from PMS (assume it's very similar) and are still looking for the answer. When I get enough oil in the tank to have anything show up on the dipstick, she smokes bad. I'm thinking the correct amount will be somewhere in the 9+/- range. Seems as though 10 is too much

Can you get a measurement of the dipstick not including the loop? I am away from my shop, but recalling around 16 1/2" is the length of what I have

With a 'dry' sump system, you theoretically could fill the tank to the top and it wouldn't make any difference. In reality, you need room for expansion when the oil gets hot and have the return line outlet be above the oil level. Does it smoke bad at startup or while running? If startup, you may have leak-back past the pump. If while running, is oil spray getting to the breather line going to the air filter?

Stock tank dipstick is 13", but I understand Ben's tanks are deeper.
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