X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from imo-d22.mx.aol.com ([205.188.144.208] verified) by logan.com (CommuniGate Pro SMTP 5.0.9) with ESMTP id 1065634 for flyrotary@lancaironline.net; Tue, 11 Apr 2006 17:41:24 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.188.144.208; envelope-from=Lehanover@aol.com Received: from Lehanover@aol.com by imo-d22.mx.aol.com (mail_out_v38_r7.3.) id q.328.1c890c4 (29678) for ; Tue, 11 Apr 2006 17:40:21 -0400 (EDT) From: Lehanover@aol.com Message-ID: <328.1c890c4.316d7c45@aol.com> Date: Tue, 11 Apr 2006 17:40:21 EDT Subject: Re: [FlyRotary] Fuel pressure regulators To: flyrotary@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="-----------------------------1144791621" X-Mailer: 9.0 Security Edition for Windows sub 5301 X-Spam-Flag: NO -------------------------------1144791621 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit In a message dated 4/11/2006 3:05:04 P.M. Eastern Daylight Time, downing.j@sbcglobal.net writes: Lynn: Which pressure regulator is preferred for the 48 Weber. I see in the Jegs catalog, that there are diaphram and poppet types. Also is the return line one needed. Thank you. JohnD The stock Weber uses 3 PSI. Just about all the needle seat can handle. I have used Holleys for years. I have changed them in the middle of tuning problems, but never found one to be faulty. We now run 6 PSI on a very modified Weber and it works great for us. It requires that a Gross jet needle seat of 350 or 400 size be used. The return line is a good idea for helping prevent vapor lock, should the carb get hot. We keep the regulator wrapped in insulation because of vapor locking problems. You might consider an isolator so a gage failure will not fill the cabin with spraying fuel. We did that once, and decided not to do it again. If the gage fails, you only get a few table spoons full of water and antifreeze. Lynn E. Hanover -------------------------------1144791621 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable

In a message dated 4/11/2006 3:05:04 P.M. Eastern Daylight Time,=20 downing.j@sbcglobal.net writes:

<= FONT=20 style=3D"BACKGROUND-COLOR: transparent" face=3DArial color=3D#000000 size= =3D2>

Lynn: Which pressure regulato= r is=20 preferred for the 48 Weber. I see in the Jegs catalog, that there ar= e=20 diaphram and poppet types. Also is the return line one needed. = =20 Thank you. JohnD

The stock Weber uses 3 PSI. Just about all the needle seat can handle.=20= I=20 have used Holleys for years. I have changed them in the middle of tuning=20 problems, but never found one to be faulty. We now run 6 PSI on a very modif= ied=20 Weber and it works great for us. It requires that a Gross jet needle seat of= 350=20 or 400 size be used.

The return line is a good idea for helping prevent vapor lock, should t= he=20 carb get hot. We keep the regulator wrapped in insulation because of vapor=20 locking problems.

You might consider an isolator so a gage failure will not fill the cabi= n=20 with spraying fuel. We did that once, and decided not to do it again. If the= =20 gage fails, you only get a few table spoons full of water and=20 antifreeze.

Lynn E. Hanover

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