X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from smtp104.sbc.mail.re2.yahoo.com ([68.142.229.101] verified) by logan.com (CommuniGate Pro SMTP 5.0.8) with SMTP id 992040 for flyrotary@lancaironline.net; Mon, 20 Feb 2006 17:31:26 -0500 Received-SPF: none receiver=logan.com; client-ip=68.142.229.101; envelope-from=downing.j@sbcglobal.net Received: (qmail 88802 invoked from network); 20 Feb 2006 22:30:42 -0000 Received: from unknown (HELO mom) (downing.j@sbcglobal.net@68.79.133.234 with login) by smtp104.sbc.mail.re2.yahoo.com with SMTP; 20 Feb 2006 22:30:41 -0000 Message-ID: <000a01c6366d$76e08a80$4001a8c0@gateway.2wire.net> From: "John Downing" To: "flyrotary" Subject: Weber 48 Date: Mon, 20 Feb 2006 17:31:59 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0007_01C63643.8DAEF500" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1409 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1409 This is a multi-part message in MIME format. ------=_NextPart_000_0007_01C63643.8DAEF500 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Lynn; Today I got to looking into the Weber 48. It has a 180 main, 160 = air correction and F-7 emulsion tubes, with 42 mm chokes. Are these = figures in the ball park. Looking at the answers you have sent me, its = close. Also the springs are set up to close the carb if the cable becomes = disconnected. Do you remove these and use an external spring to keep = the carb open or is there some way to turn these springs around. Thought = I had better ask before I tear into it. Another question is, do I need a regulator for the Carter electric fuel = pumps. Jegs has one by Quick Fuel which has a bypass feature and it = says that it is for steady output electric fuel pumps. It looks like next winter I can install two high pressure fuel pumps = and just flip the low pressure ones off and switch the high pressure = ones on and use the Weber for the throttle body. I will need to machine = two ports for the secondary injectors and weld them on the intake = manifold. Does this sound like a viable solution for a duel fuel = system. =20 The Wittman Tailwind I'm building has a 34 gallon fuel tank in the cowl = which flows down to a gascolator, then into two fuel pumps, which are = lower than the gascolator, then pumped up to the carb. Thank you. = JohnD Working on systems between cowl work ------=_NextPart_000_0007_01C63643.8DAEF500 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Lynn; Today I got to looking into = the Weber=20 48. It has a 180 main, 160 air correction and F-7 emulsion tubes, = with 42=20 mm chokes. Are these figures in the ball park. Looking at = the=20 answers you have sent me, its close.

Also the springs are set up to = close the carb=20 if the cable becomes disconnected. Do you remove these and = use an=20 external spring to keep the carb open = or is there=20 some way to turn these springs around. Thought I had better ask before I = tear=20 into it.

Another question is, do I need a = regulator for the=20 Carter electric fuel pumps. Jegs has one by Quick Fuel which has a = bypass=20 feature and it says that it is for steady output electric fuel=20 pumps.

It looks like next winter I can install = two=20 high pressure fuel pumps and just flip the low pressure ones off = and=20 switch the high pressure ones on and use the Weber for the throttle = body. =20 I will need to machine two ports for the secondary injectors and = weld them=20 on the intake manifold. Does this sound like a viable = solution=20 for a duel fuel system.

The Wittman Tailwind I'm building has a = 34 gallon=20 fuel tank in the cowl which flows down to a gascolator, then into two = fuel=20 pumps, which are lower than the gascolator, then pumped up to = the=20 carb. Thank=20 you. JohnD Working = on=20 systems between cowl work

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