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canna change law physics
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Oil Bath vs Paper
I hope I'm not starting a holy war....
My 914/6 came with the oil bath type filters. I was considering switching to paper. Advantages of each? James 
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04-03-2002, 01:56 PM
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Join Date: Jan 2001
Location: Warrenton, Virginia USA
Posts: 803
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I would stick with oil bath if you have that option.
Superior filtering ability of particles. Not sure about air flow ratings though. I would imagine Porsche would not put on a system that drastically restricted air flow though.
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FS: 1979 Porsche 911 SC FS: 1992 Volvo 960 Wagon potential sleeper V-8 project 1971 Chevy C-10 w carb 5.3 LS swap 1948 Spartan Mansion 30' travel trailer |
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04-04-2002, 01:07 PM
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Oil baths don't burn either....
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Scott 1982 911 SC 1962 sunroof bug 1991 WE Vanagon CARAT WRX conversion |
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04-04-2002, 01:30 PM
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Join Date: Dec 1969
Location: Dade County, FL.
Posts: 1,145
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"Oil baths don't burn either...."
....yeah, but only if you use that "non-flamable" oil...  just kdding...
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93 Lightning 76 912e |
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04-04-2002, 08:12 PM
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Ornery Bastard
Join Date: Sep 2001
Location: South Sound
Posts: 2,879
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As long as you use a decent quality paper filter (like FRAM) I don't any practical advantage to an oil bath aside from it's being re-useable. Still, you can buy re-useable elements for "paper" filters too. Personally, I think that unless you are going for 100% originality a good quality paper filter is probably going to be a lot easier in the long run. And with a car that's 30+ years old, it never hurts to try to make all the little things easier since the big things tend to not be so easy.
Aaron
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--------- Silver 1998 Volvo S70 T5 <- Daily (Anja) Guards Red 1986 951 <- Seattle car (Gretchen) White 1976 914 2.0 F.I. <- Prodigal car, traded away then brought back again (Lorelei) |
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04-05-2002, 10:09 AM
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Join Date: Jan 2001
Location: Warrenton, Virginia USA
Posts: 803
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I am not intimately familiar with the 914/6 oil bath system, but the VW oil bath system is cake even compared to paper filters.
Granted this is a subjective thing, but for me it is easier on a VW. YMMV
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FS: 1979 Porsche 911 SC FS: 1992 Volvo 960 Wagon potential sleeper V-8 project 1971 Chevy C-10 w carb 5.3 LS swap 1948 Spartan Mansion 30' travel trailer |
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04-05-2002, 10:20 AM
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canna change law physics
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Just trying to get an idea if there is any significant advantage of one over the other. I'm hoping to reduce the intake noise a little with the paper filter.
My 914/6 has aftermarket oil bath type filters with very little in the way of noise attenuation from the intakes. Also, thinking of noise attenuation, anyone know a good source od dynamat or the equiv? I need something that will not hold water, since the 914/6 does not have a rain tray. James
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James The pessimist complains about the wind; the optimist expects it to change; the engineer adjusts the sails.- William Arthur Ward (1921-1994) Red-beard for President, 2020 |
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04-05-2002, 10:23 AM
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Ornery Bastard
Join Date: Sep 2001
Location: South Sound
Posts: 2,879
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I don't know that particular oil bath system either, but the ones I have messed with have been more trouble than they were worth IMO. Oil bath is just one more thing to have to clean out all the time, you're right that it's not that complicated, just a little more time-consuming in what experience I have.
Aaron
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--------- Silver 1998 Volvo S70 T5 <- Daily (Anja) Guards Red 1986 951 <- Seattle car (Gretchen) White 1976 914 2.0 F.I. <- Prodigal car, traded away then brought back again (Lorelei) |
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04-05-2002, 10:26 AM
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Join Date: Aug 2001
Location: Savannah, GA, USA
Posts: 653
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Red,
Dynamat and similar materials were discussed about a year ago here. Try a search for Dynamat. Several people posted that there was an equivalent material, but less expensive, available from McMasterCarr: Look for Sound Absorbers, Adhesive Back Damping Sheet, Mastic. I haven't used it myself, but it was stated in other posts that it is the same as the the thin Dynamat. Mike |
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04-05-2002, 12:00 PM
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1970/1982 Porsche 914-6/911SC 2.7 RS
1982 Porsche 911SC
