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Fuel regulator with Weber?
https://slantsix.org/forum/viewtopic.php?t=45490
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Author:  b5cuda [ Fri Jul 01, 2011 9:09 pm ]
Post subject:  Fuel regulator with Weber?

Hey gang,
How important is a fuel pressure regulator with a weber? I picked one up, like others have suggested with a Weber upgrade (DGV type on a stock 225 with HEI ignition). But the regulator packaging came with this disclaimer: "Legal only for racing vehicles which may never be used upon a highway. Not acceptable or intended for street or highway use." Brand is EMPI, model 00-9102-0, designed for up to 5 pounds of pressure. So are fuel pressure regulators necessary, and are they dangerous - or is the manufacturer just trying to avoid liability? Thanks!
Bill

Author:  emsvitil [ Fri Jul 01, 2011 9:34 pm ]
Post subject: 

Stock pressure is 3.5 - 5 lbs, so you'll be fine.......

Author:  olafla [ Sat Jul 02, 2011 4:08 am ]
Post subject: 

The Redline Weber service manual and other Weber manuals, recommends ~2,5 - 3,0 psi fuel pressure, they even use the words 'critical to float spillage'!

Olaf.

Author:  Rust collector [ Sat Jul 02, 2011 8:14 am ]
Post subject: 

I believe the "for offroad use only" disclaimers are because, they don't bother getting the part approved at whatever gov. agency...
The part is probably not much more unsafe than a stock part, but anything that is adjustable, makes people adjust... Which could be bad, as well as good, depending...

I don't know if the pressure as such is all that important, but it seems like webers like nice "smooth" flow, not the pulsing from a mechanic pump.
I have not had a problem personally, but...

Author:  b5cuda [ Sat Jul 02, 2011 8:56 am ]
Post subject: 

Think you may be right about the disclaimer having more to do with government approval (or liability) than design... I noticed the very same disclaimer on the Weber air filter assembly made by EMPI.

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