 CB performance rotary pump with 40 IDFs, Use the fuel pressure regulator or not? |
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| AE354803 |
 Aug 10 2013, 03:26 PM
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#1
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Member  Group: Members Posts: 232 Joined: 13-August 12 From: Southern California Member No.: 14,801 Region Association: Southern California  |
When installing the CB performance rotary fuel pump, do you normally leave the flying saucer looking fuel pressure regulator in line after it or remove it?
Everything I've seen in the weber book says 2.5 psi, but the CBperformance pump is 3.5 psi. Then again people say this is the pump to use and it seemed like they meant without the FPR. Thanks!! Andy http://www.cbperformance.com/ProductDetail...roductCode=3193 |
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| SLITS |
Aug 10 2013, 03:29 PM
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"This Utah shit is HARSH!" Group: Benefactors Posts: 13,602 Joined: 22-February 04 From: SoCal Mountains ... Member No.: 1,696 Region Association: None  |
Supposedly at 5 psig, you will overide the needle valve and flood the carburetor.
A fuel pressure regulator may not be necessary, but you have it so use it. Cheap insurance. |
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| Elliot Cannon |
Aug 10 2013, 03:56 PM
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#3
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914 Guru Group: Retired Members Posts: 8,487 Joined: 29-December 06 From: Paso Robles Ca. (Central coast) Member No.: 7,407 Region Association: None 
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I've been using a CB Performance pump for 10 years without a pressure regulator. Works great. I have 44 idf carbs, maybe that will make a difference.
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| fitzm1 |
Aug 10 2013, 06:15 PM
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#4
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Member Group: Members Posts: 74 Joined: 21-April 08 From: Ballston lake,ny Member No.: 8,947 Region Association: None |
I have a 2.0 with 40 idf carbs and no regulator. Never had a problem.
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| DBCooper |
Aug 10 2013, 06:20 PM
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#5
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14's in the 13's with ATTITUDE Group: Members Posts: 3,079 Joined: 25-August 04 From: Dazed and Confused Member No.: 2,618 Region Association: Northern California |
It's internally regulated so you don't need that flaky chrome regulator, making the slightly more expensive CB pump actually less expensive than the nasty noisy Facet. You're good to go.
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| DBCooper |
Aug 10 2013, 06:20 PM
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#6
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14's in the 13's with ATTITUDE Group: Members Posts: 3,079 Joined: 25-August 04 From: Dazed and Confused Member No.: 2,618 Region Association: Northern California |
Oops, doppelpost
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