305 TBI swap to 350 carb

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Jan 26, 2018 | 12:31 AM

quentin3391

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Joined: Feb 2017

Posts: 13

305 TBI swap to 350 carb

have a 350 bored.60 ,elderbrok carb and intake ,headers,holly return style the,oil and water gauges,hei vac distributor,tci look up kit but still have too much fuel pressure on gauge what's wrong

Jan 26, 2018 | 06:41 AM

Gorn

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Are you using the factory 12 PSI electrical fuel pump?

Jan 26, 2018 | 09:20 AM

quentin3391

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Newbie

Joined: Feb 2017

Posts: 13

Quote:

Originally Posted by Gorn

Are you using the factory 12 PSI electrical fuel pump?

yes I am

Jan 26, 2018 | 10:04 AM

Everett#2390

4th Gear Member

Joined: Oct 2012

Posts: 2,595

From: Va. Beach, VA

Add Holley regulator before carb and set for 5-6 PSIG and use return line.

Jan 26, 2018 | 11:42 AM

quentin3391

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Newbie

Joined: Feb 2017

Posts: 13

Fuel pressure regulator

Quote:

Originally Posted by Everett#2390

Add Holley regulator before carb and set for 5-6 PSIG and use return line.

i did install the Holley HP 803 but still high

Jan 26, 2018 | 04:18 PM

Everett#2390

4th Gear Member

Joined: Oct 2012

Posts: 2,595

From: Va. Beach, VA

803 is adjustable from 4 to 9 PSIG
View installation here, Fig 2A & 2B
http://www.jegs.com/InstallationInst...0-12-803BP.pdf

802 has one inlet and two outlets, one outlet could be return.