 carb fuel pressure ?, Mixed specs |
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| bandjoey |
 Jun 9 2018, 05:30 PM
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#1
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bandjoey  Group: Members Posts: 4,926 Joined: 26-September 07 From: Bedford Tx Member No.: 8,156 Region Association: Southwest Region  |
cb performance sold the Carter rotary fuel pump 3.5psi @ 30 gph ....out of stock
Carter has superceeded the part with a new one. Same pump picture on the web but now spec at 4psi @15 gph. What do you experts think?? Will the new one work with DRLA Dellortos? I've used the Mr Gasket pump for a year but thought I'd upgrade before Okteenerfest. |
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| IronHillRestorations |
Jun 9 2018, 05:44 PM
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I. I. R. C. Group: Members Posts: 6,731 Joined: 18-March 03 From: West TN Member No.: 439 Region Association: None 
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3.5 it is
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| type2man |
Jun 9 2018, 06:58 PM
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#3
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Member Group: Members Posts: 353 Joined: 3-March 09 From: Miami, Fl Member No.: 10,127 Region Association: South East States |
Carter P60504 you can find it online for about $40.
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| North Coast Jim |
Jun 9 2018, 07:26 PM
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#4
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Member Group: Members Posts: 326 Joined: 11-December 15 From: Northern Ohio Member No.: 19,450 Region Association: MidAtlantic Region
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QUOTE(bandjoey @ Jun 9 2018, 07:30 PM)  cb performance sold the Carter rotary fuel pump 3.5psi @ 30 gph ....out of stock Carter has superceeded the part with a new one. Same pump picture on the web but now spec at 4psi @15 gph. What do you experts think?? Will the new one work with DRLA Dellortos? I've used the Mr Gasket pump for a year but thought I'd upgrade before Okteenerfest. I run an in-line regulator set at 3PSI. They feed twin Weber 40's. We're at 700 ft elevation. Car run great. |
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| Triaddave |
Jun 10 2018, 12:13 PM
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#5
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Member Group: Members Posts: 244 Joined: 31-December 03 From: olympia,wa Member No.: 1,478 |
I run a MALLORY 5-port fuel regulator. one port for the in feed from tank, two ports (one each) to each carb. one is fuel return to the tank and the last I plugged in a fuel pressure gauge. The regulator spec says 4.0 + psi. Mine is set at 3.0 for the weber 44 idf. works fine.
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| bandjoey |
Jun 10 2018, 12:26 PM
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#6
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bandjoey Group: Members Posts: 4,926 Joined: 26-September 07 From: Bedford Tx Member No.: 8,156 Region Association: Southwest Region |
I always resisted the extra plumbing of a regulator instead using a pump with a specific rating. Broke down today and picked up a Holly (Mr Gasket) regulator.
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| Mark Henry |
Jun 10 2018, 12:27 PM
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#7
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that's what I do! Group: Members Posts: 20,065 Joined: 27-December 02 From: Port Hope, Ontario Member No.: 26 Region Association: Canada |
I'm going to run a FI pump with a PMO regulator, it's a flow back system so you have to run a return.
I'll report how it works once I get my cams back from WEB. |
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