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Weber Tuning
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http://www.clubcobra.com/forums/weber-tuning/)
| Gaz64 |
06-14-2016 07:05 PM |
Quote:
Originally Posted by fordracing65
(Post 1394773)
What regulator does anyone recommend for a 427 fe. I heard the Mallory 4309 is often used. Anyone use it.
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That's what I use on two cars now.
Quote:
Originally Posted by Gaz64
(Post 997222)
I run a Mallory 3 port bypass regulator.
My system is plumbed splitting the main supply line to the rear carbs, then to the front carbs, then off the front carbs to either side of the reg, then out the bypass and back to the tank on the return line.
My pressure gauge is mounted on the side of the regulator.
My reg is mounted after the carbs as above, with a bypass reg this is the best way, that way the carbs are getting fresh unheated fuel.
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| Dimis |
06-14-2016 07:20 PM |
Aeromotive myself, there are several of options.
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| fordracing65 |
06-14-2016 11:09 PM |
Quote:
Originally Posted by Gaz64
(Post 1394780)
That's what I use on two cars now.
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Ever have any problems with it. I can get one for $60 brand new. |
| lippy |
06-15-2016 08:58 AM |
I have a Weldon electric pump and a Weldon bypass regulator. The regulator is connected directly to the pump, and they are both located behind the driver's rear tire, behind a shield. The bypass regulator sends excess back to the tank, and knocks the pressure down to 12 PSI. I have a non-bypass regulator (Aeromotive) at the front of the car that knocks the pressure down to 6.5 PSI and feeds the carb. All of my plumbing is AN 8 except from the front regulator to the carb, which is 2x AN 6. This is what Weldon recommended, and it works.
Tank > Large filter > Weldon pump > Weldon bypass regulator > Large filter (at front of car) > Aeromotive non-bypass regulator > Carb
http://media.wix.com/ugd/79966d_cad9...c3ecd78957.pdf |
| fordracing65 |
06-15-2016 10:04 AM |
I have a mechanical pump. Does that matter.
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| lippy |
06-15-2016 10:21 AM |
You don't need a bypass regulator with a mechanical pump
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| fordracing65 |
06-15-2016 11:52 AM |
On the FE forum. There is a thread where everyone uses a bypass with a mechanical pump. Pressure is pressure. Even jay brown uses it and explains why.
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| 427 sam |
06-15-2016 12:04 PM |
1 Attachment(s)
Quote:
Originally Posted by pmangelos
(Post 997218)
Hi all, I have a question for those of you running Webers. Where did you mount your fuel pressure regulator in relationship to your carbs and fuel pump. I am installing a stroked 351 in a 65 Mustang and have purchased a bypass regulator that I plan on running a return line back to my tank with. My question is do I mount it directly before the first carb, after the last carb, or is it ok to mount the regulator to an inner fender about three feet before the first carb. Any advice is welcome. One more thing, I am using an electric fuel pump mounted near the tank. Thanks for the time.
Paul
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you can just see mine on this snap Sam |
| lippy |
06-15-2016 12:06 PM |
My thinking is that a mechanical pump's pressure and flow are lower at low RPM and higher at high RPM. It naturally delivers less when the engine needs less. An electric pump puts out max pressure and flow even at idle, so the excess fuel the engine doesn't need at part load is recirculated back to the tank. Not sure why you would do that with a mechanical pump.
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| Gaz64 |
06-15-2016 07:21 PM |
Quote:
Originally Posted by fordracing65
(Post 1394797)
Ever have any problems with it. I can get one for $60 brand new.
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No issues with mine.
One runs at 3.5 psi, the other runs 6 psi, both from key on to redline.
Easy to service, diaphragm kits available.
Gary |
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