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Oil Filler Cap Options?

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Old 01-23-2016 | 04:25 PM
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Default Oil Filler Cap Options?

The stock Yellow seems....ok.

Looked at a few other 'billet' types.

Whatcha got...anything 'new'?
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Old 01-23-2016 | 08:43 PM
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The stock 'yellow' is OK. In fact it is my personal choice.
Soak that dirty one in a covered jar of gasoline for a few hours, rinse off with warm soapy water or better yet, with simple green or a like cleaner, and wipe it clean and dry with a clean towel
.
It will look just like new.

And add detail and beauty to the engine compartment.
Old 01-23-2016 | 11:36 PM
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Isn't it kind of strange putting a chunky billet cap on a plastic reservoir?
Old 01-24-2016 | 01:38 AM
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Agreed with the others thus far. There are plenty of places to add billet stuff- I'm a fan of the shift pattern inserts, seat levers, etc., but the engine bay just seems weird. Want to dress up the engine bay, spend $50 on fancy vacuum lines, or paint the cam tower, or whatever.
Old 01-24-2016 | 10:33 AM
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Old 01-24-2016 | 11:04 AM
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I bought a new yellow cap for my 944 and was disappointed that it no longer says "OEL" but the boring English "OIL." Maybe I will try to clean my old cap.

The cap is important, though - there's an O-ring in there that seals the AOS. If the O-ring fails or isn't sealing properly, it's a vacuum leak.
Old 01-24-2016 | 12:36 PM
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Originally Posted by SloMo228
I bought a new yellow cap for my 944 and was disappointed that it no longer says "OEL" but the boring English "OIL." Maybe I will try to clean my old cap.

The cap is important, though - there's an O-ring in there that seals the AOS. If the O-ring fails or isn't sealing properly, it's a vacuum leak.
I'm pretty sure the AOS is under positive pressure, hence the reason it blows oil filled air back into your J boot. On the track cars we dump AOS into a catch can
Old 01-24-2016 | 12:43 PM
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Nice looking filler cap Sam.

The additional weight of the billet cap is likely a non-issue IMO given its placement and the sturdiness of the material - provided it doesn't get 'ghetto' sized.

Another point I'm surprised no one mentioned is the fact that the filler cap and the dip stick handle match.
Old 01-24-2016 | 01:17 PM
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I have a 928 Motorsports oil cap. It's super nice with an o-ring. It's looks better then the yellow cap IMO.
Old 01-24-2016 | 11:30 PM
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Originally Posted by Jay Wellwood

The additional weight of the billet cap is likely a non-issue
Not if its a race car!
Old 01-25-2016 | 12:12 AM
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Originally Posted by f1rocks
I'm pretty sure the AOS is under positive pressure, hence the reason it blows oil filled air back into your J boot. On the track cars we dump AOS into a catch can
Hmm, you might be right. Either way, you want that O-ring to be sealing correctly!
Old 01-25-2016 | 10:22 AM
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Simple green works wonders on dirty old caps.
Or just buy a new one for $14
Old 01-26-2016 | 12:17 PM
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better pic of ours
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Old 01-26-2016 | 05:19 PM
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I want this one...

Old 01-26-2016 | 08:06 PM
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I had to take the cap off my turbo 944 today and it just dawned on me seeing these billet caps that there's precious little room to get your hands in there (especially my old arthritic paws) and grip the cap. I use a pair of pliers lightly gripped around the flat blade in the top of the plastic cap to loosen it so I can take it off. Just my opinion, plus I like the OEM look of it.


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