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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Oct 2006 Posts: 163 Shop Shark | | Shop Shark Joined: Oct 2006 Posts: 163 | I've been having carb problems with my COE for quite some time. I suspected my fuel pressure was to high so I replaced the fuel pump, still had the same issue. I finally put a guage on the fuel line and I am getting almost 8 lbs. Is 8lb going to cause me serious problems? I think it would just want to verify. | | | | | Joined: Nov 2006 Posts: 2,544 Shop Shark | | Shop Shark Joined: Nov 2006 Posts: 2,544 | Probably going to have a problem with your carb flooding that's to much pressure. | | | | | Joined: Oct 2005 Posts: 1,317 Shop Shark | | Shop Shark Joined: Oct 2005 Posts: 1,317 | I've been running the inexpensive Mr. Gasket adjustable pressure regulator on my dual carb 235 set at 3-1/2 psi for the past 13,000 miles. These can be found in most automotive parts stores for around $30.00, complete with the fittings to tie into your line between the fuel pump and carb. I have a pressure gauge and have found that adding a filter between the regulator and the carb drops your pressure an additional 1 psi. If you didn't want to go to the expense of adding a fuel gauge you would be safe to run between a 3 to 4-1/2 psi setting on the dial.
There is another brand that looks like the Mr. Gasket regulator but I've had issues with that brand. None with the Mr. Gasket brand. Hope this helps you get your fuel pressure under control.
Dave | | |
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