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Join Date: Sep 2002
Posts: 3,580
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Any of you 930 drivers running the 964-style cam oil restrictors?
I ran the "updated" cam supply line restrictors for just a few days on my 930 engine, then switched back to stock because I was concerned about increased head temperatures due to lower flow in that area.
It's been a few more months now, and I'm just wondering if there are any more data points available about these restrictors with respect to 930 engines. Good/Bad? Has the factory said anything? Anyone had a look inside their heads? Colin
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03-30-2004, 03:39 PM
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Join Date: Jan 2002
Posts: 650
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Cow,
Were you monitoring the head temps? If so, what kind of temp. increase were you seeing? Tinker |
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03-30-2004, 05:48 PM
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Tinker, no, I'm not set up for that. I guess my original post gave that impression - sorry.
I just followed the discussion here, and it sounded reasonable that the 930 heads might have different oiling needs from the NA heads.
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03-30-2004, 08:21 PM
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Join Date: Apr 2003
Location: Las Cruces, NM
Posts: 2,459
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The oil line restrictors actually came first on the 3.3 of the 964 turbo, not NA. Or at least that's what wayne says in his book. I don't see it increasing head temps all that much if they first used them in turbos.
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2007 Mazda 3 hatch 1972 Porsche 914 roller with plenty of holes to fix 
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03-30-2004, 08:36 PM
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Join Date: Jun 2003
Location: St Petersburg, FL
Posts: 3,814
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Concidering that my 930 had no oil pressure issues I prefer to keep the full volume of oil flowing through my heads.
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03-30-2004, 10:11 PM
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