Fuel pressure regulator

discussions specific to the 750 Paso

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mickster

Fuel pressure regulator

Post by mickster »

Picked up 5 mpg and cured 90% of my Weber woes with a Holley fuel pressure regulator. Part # 12 804. It's even preset at 3 lb. At least mine was. :thumbup:
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ducinthebay
paso grand pooh-bah
Posts: 1323
Joined: Sat Sep 03, 2005 12:00 am
model: 750 Sport
year: 1990
Location: SF Bay Area

Re: Fuel pressure regulator

Post by ducinthebay »

I have a spare one in the garage if anyone wants it. I have Dellortos, and the pressure regulator came with some spare parts I bought. Just cover the postage and its yours.

Cheers,
Duc in the Bay
1990 750 Sport x2-Rosso Blanko (900ss copy) & Nuovo Nudo (Scrambler project)
1991 907 -mostly stock
2002 ST4s - Lots of mods.
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paso_rosso
Posts: 37
Joined: Wed Feb 21, 2007 12:00 am
year: 0
Location: watertown, ma

Re: Fuel pressure regulator

Post by paso_rosso »

ducinthebay, PM sent!!
Horse

Re: Fuel pressure regulator

Post by Horse »

How did you know which Holley fuel pressure regulator to buy? Where did you purchase yours? Was installation difficult? I recently purchased a 1987 Paso but don't know much about the Weber and the associated problems you mention. Thanks, Horse
mickster

Re: Fuel pressure regulator

Post by mickster »

Went to my local auto parts and went through catalog.Good parts guy was a big help! Installation was easy as there is alot of room under all that bodywork. Made a bracket and mounted it to the motormount bolts on right side.
Horse

Re: Fuel pressure regulator

Post by Horse »

mickster wrote:Went to my local auto parts and went through catalog.Good parts guy was a big help! Installation was easy as there is alot of room under all that bodywork. Made a bracket and mounted it to the motormount bolts on right side.
:?: I contacted Holley and they did tell me that a bracket would have to be modified for it to work on the Paso. Can you provide any details on your bracket design and how it has worked for you. That would be greatly appreciated. Thanks!
mickster

Re: Fuel pressure regulator

Post by mickster »

didn't modify the stock bracket at all. just made a bracket to mount the holley bracket to and mounted that to a motor mount bolt. :idea:
Horse

Re: Fuel pressure regulator

Post by Horse »

Sounds good. Next time you have the fairings off can you PM me a photo? I would really appreciate seeing one. :?:
mickster

Re: Fuel pressure regulator

Post by mickster »

sorry! pretty much computer dummy. Lucky to be doing this! Just cut a rectangular piece of 1/8 steel wide enough to span the two motor mount bolts in the v and long enough to hold the regulator. Make sure it doesn't rub on anything, bolt it up and enjoy! Not a cure all, but worth the trouble.
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sestese
Posts: 21
Joined: Mon Jan 07, 2008 12:21 am
model: 750 Paso
year: 1988
Location: California

Re: Fuel pressure regulator

Post by sestese »

Hi, thank you for this important info, I'm thinking to do the same.
I still have some problems with weber carb around 5,000 RPM ...before and after 5,000 is just fine.
Do you think will resolve this problem?
I never use one of those, how do you connect it?
Thanks a lot, salvatore :huh:
amphilex

Re: Fuel pressure regulator

Post by amphilex »

Thanks mickster, I used your info, went ahead and bought one of these on E-bay last week and installed it today. Initial try looks good, easy to start now and best of all not stalling anymore! I did not really see a need to mount the regulator in my case, maybe the fuel lines have already been modified, I don't know,but the regulator weighs almost nothing and fits quite nicely under the tank, I just used a cable tie, and all seems well.The regulator has one inlet and two outlets, one to the carb, and the other goes back to the suction side of the pump as a bypass. All good,thanks for sharing, you helped me out.Cheers. :wink:
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