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gray or green cap? 700

posted by  ovlov760 on  Wed Apr 16 10:34 CST 2003
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last visit: Thu Jul 5 04:56 CST 2001
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Now that my overflow tank is holding pressure and I have got some new hoses on the car and am not leaking anything at all anymore I have got another question! I have heard some of you say that the green overflow tank cap is better than the gray one. Is this true? What are the advantages of each cap if any? FCPgroton calls there cap the *upgraded* version. What do they mean by this?
--
1988 760Tic - 155,550 1966 M-B 230 sedan - 98,000 - Sometimes I think the surest sign that intelligent life exists elsewhere in the universe is that none of it has tried to contact us. - Bill Watterson








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    gray or green cap? 700

    posted by  mapleleafer on  Sat Apr 19 16:12 CST 2003
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    last visit: Wed Oct 9 00:36 CST 2013
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    The Green, Grey and White OEM caps are set to maintain 150 kPa (kiloPascals) / 22 PSI. The "upgrade" that IPD sells is a 75 kPa / 11 PSI cap, less likely to stress older systems. I don't go by colour, I read the pressure value stamped into the cap.








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    gray or green cap? 700

    posted by  spasske on  Thu Apr 17 02:45 CST 2003
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    They have had problems with the gray cap. I don't know if any are still available. Green and gray have the same pressure rating. IPD recommends using the black cap (240's?) as it has a lower pressure rating. They contend it would be better for the hoses. Volvo designed it for gray/green so I wonder...

    --
    Paul NW Indiana '89 740 Turbo 103,000








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    gray or green cap? 700

    posted by  JetDriver on  Wed Apr 16 11:03 CST 2003
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    last visit: Mon Jul 25 08:59 CST 2011
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    My 94 960 has the green cap which is the upgraded unit.
    --
    92 244 lowered, Bilsteins, IPD sways, Unitek cam/header, TSW Revo 18x8's - 94 965 Niiice MONEY PIT! - 76 Datsun 280Z lowered, modified head, cam, headers, intake







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