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Carter 6903 BB mech. fuel pump problem? #1466627 07/11/13 08:07 PM 07/11/13 08:07 PM
Joined: Aug 2003 Posts: 1,385 Ohio rck850 OP pro stock
rck850 OP pro stock Joined: Aug 2003 Posts: 1,385 Ohio	Have a 6903 on my 440. Supposed to be rated at 5.5-6.5 psi. I finally got around to mounting a gauge on it after chasing a rich idle condition that I've never been able to cure. Gauge reads 8.5 psi. I'm pretty sure that's to much pressure for my 4150 800cfm Holley. What are my options here? Can I put a regulator on it? Should I just replace it? Thanks

Re: Carter 6903 BB mech. fuel pump problem? [Re: rck850] #1466628 07/11/13 08:26 PM 07/11/13 08:26 PM
Joined: Jan 2003 Posts: 75,092 A Banana Republic near you. JohnRR I Win
JohnRR I Win Joined: Jan 2003 Posts: 75,092 A Banana Republic near you.	Put on a regulator Did you confirm the gauge you are using is reading right ?

Re: Carter 6903 BB mech. fuel pump problem? [Re: JohnRR] #1466629 07/11/13 08:29 PM 07/11/13 08:29 PM
Joined: Aug 2003 Posts: 1,385 Ohio rck850 OP pro stock
rck850 OP pro stock Joined: Aug 2003 Posts: 1,385 Ohio	gauge was on another regulator that was confirmed to be reading right. I should also say this pump has been on this car since 2002. I have had this problem pretty much since day one so whatever is wrong it's been this way for 11 years.

Re: Carter 6903 BB mech. fuel pump problem? [Re: rck850] #1466630 07/12/13 01:24 PM 07/12/13 01:24 PM
Joined: Jan 2003 Posts: 25,967 Rio Linda, CA John_Kunkel Too Many Posts
John_Kunkel Too Many Posts Joined: Jan 2003 Posts: 25,967 Rio Linda, CA	You're lucky, I had one that put out 11 psi....had to install a regulator. The INTERNET, the MISinformation superhighway

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