Optimum fuel Pressure for 24's
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Senior User
Joined: Feb 2004
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From: Nanticoke
Optimum fuel Pressure for 24's
I have a stock 5.0 truck motor with speed dens. The motor was bought seperate. My question is that it came with reddish-orange fuel injectors, I assume these are 24lb and that stock was 19lb, I pretty sure this is right. I'd like to keep the 24's but was wondering if anyone has any experience with what a good starting fuel pressure would be with the larger injectors on a near stock motor. It runs quite rich now. Thank you for any input.
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Joined: Nov 2004
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From: Tucson, AZ
not so long ago, i assumed that the 30# injectors i bought off ebay were 30# injectors. after trying several different maf meters, i finally decided to read the part number off the injector and figured out they were 19# (red in color) injectors ford used on trucks in mexico.
knowing what you have is the first step. cheers, garsten
knowing what you have is the first step. cheers, garsten
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Senior User
Joined: Feb 2004
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From: Nanticoke
I plan for more upgrades. For now though, wont lowering the pressure be equivalent to a lower injector number. I've always found adjustable fuel press regulators a great way to get the peak performance from modifications.
Lead Driver
Joined: Nov 2002
Posts: 9,557
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From: Concord, NC
For now though, wont lowering the pressure be equivalent to a lower injector number.
http://www.witchhunter.com/injectorcalc1.php4
scroll to the bottom for pressure modification
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