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    Results 1 to 11 of 11
    1. #1
      Join Date
      Jul 2012
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      Louisiana
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      corvette filter regulator plumbing

      for the gurus which one of the connections is the supply and which is return. i've done many searches and see both as supply and return. i assumed the middle is supply but now not sure. HELP!!!!?




    2. #2
      Join Date
      Apr 2007
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      New Jersey
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      Name:  B06B90ED-E4E9-4F18-9526-981F894D8E75.jpg
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      Last edited by thedugan; 09-28-2022 at 05:54 PM. Reason: Edit attachment
      Doug L.
      68 RS/SS Conv. DSE/Ridetech and LSA/T56 rebuild in progress
      67 RS Coupe LS2/T56 named "NutKse"

    3. #3
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      Jul 2012
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      Thanks, got it. The offset one, and the larger of the 2.

    4. #4
      Join Date
      Apr 2001
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      The City of Fountains
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      Quote Originally Posted by Poncho72 View Post
      Thanks, got it. The offset one, and the larger of the 2.
      Make sure that the filter/regulator you are using is an AC Delco or WIX part.

      Andrew
      1970 GTO Version 3.0
      1967 Cougar build
      GM High-Tech Performance feature
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      "You were the gun, your voice was the trigger, your bravery was the barrel, your eyes were the bullets." ~ Her

    5. #5
      Join Date
      Jul 2012
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      Louisiana
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      one i have is from Summit. What issues would i have if not Wix or AC Delco?

    6. #6
      Join Date
      Jul 2012
      Location
      Louisiana
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      this one: SUM-230151. should i not use it? i've read product reviews on Wix, ac delco, & Summit brand, and all have about the same ratings....4.5 stars and about the same failure rate of either not regulating at all or providing too much pressure. seems like i may need to consider a diff setup. thoughts? appears that the ac delco is made by WIX as they have the 33737 part # etched on the unit.

      Last edited by Poncho72; 09-29-2022 at 12:24 PM. Reason: additional info

    7. #7
      Join Date
      Nov 2006
      Location
      Mountain Springs, Texas
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      Quote Originally Posted by Poncho72 View Post
      this one: SUM-230151. should i not use it?

      I would not use it. There have been quite a few fuel pressure issues related to these no name regulators. Summit buys the cheapest part they can find….

      Don
      1969 Camaro - LSA 6L90E AME sub/IRS
      1957 Buick Estate Wagon
      1959 El Camino - Ironworks frame
      1956 Cameo - full C5 suspension/drivetrain
      1959 Apache Fleetside

    8. #8
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      Noted Don, see my edit of last post. what direction should i go if not this setup?

    9. #9
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      Nov 2006
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      Quote Originally Posted by Poncho72 View Post
      Noted Don, see my edit of last post. what direction should i go if not this setup?
      If I was all set up for it I would use the Wix FPR.

      I haven't used one in years since pretty much everything I build now has a fifth gen fuel module and vaporworx controller.

      Don
      1969 Camaro - LSA 6L90E AME sub/IRS
      1957 Buick Estate Wagon
      1959 El Camino - Ironworks frame
      1956 Cameo - full C5 suspension/drivetrain
      1959 Apache Fleetside

    10. #10
      Join Date
      Aug 2007
      Posts
      544
      I've had good luck with the C5 FFR. But I've only used the Wix or Delco FFR.
      Years ago a bought C5 FFR "kit" from Summit. The filter leaked on the outlet side. I spoke to Summit and they sent me a real AC Delco or Wix I forget. They didn't want the old one back so I tossed it in the bin.

    11. #11
      Join Date
      Jun 2001
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      Newbury Park, CA
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      As Andrew and Don have mentioned, use the Wix or ACDELCO/GM part.

      We've tested a bunch of them, and there is a difference.
      VaporWorx. We Give You Gas http://www.vaporworx.com