fass or cp3
#1
fass or cp3
have a 03 3500 dually crew, cant get over 13 mpg and I don't believe I have the towing power I should, the motor has 5" exhaust, efi live, and a banks big head dump valve actuator, I think my cp3 might be weak causing my problem, question is will putting a fass pump on correct this, is the cp3 repairable, or should it be replaced. also if it should be replaced do I go stock or what- thanks
#3
#4
#5
i got my CP3 rebuilt by II aka industrial injection and i shimmed the fprv while it was down i sent my pump in and $790 total if you need injectors go to ether one of the two
injectors A... Merchant Automotive - Duramax LB7 Fuel Injector
injectors B... Web Store - Lincoln Diesel Specialties
CP3.. https://www.industrialinjection.com/...njection-pump/
shim guide.. https://www.dieselbombers.com/01-04-...-shim-mod.html
CP3 replacement password... daniel
CP3 replacement.. http://s219.photobucket.com/user/2500heavyduty/library/DIY/cp3%20replacement?sort=3&page=1
injectors A... Merchant Automotive - Duramax LB7 Fuel Injector
injectors B... Web Store - Lincoln Diesel Specialties
CP3.. https://www.industrialinjection.com/...njection-pump/
shim guide.. https://www.dieselbombers.com/01-04-...-shim-mod.html
CP3 replacement password... daniel
CP3 replacement.. http://s219.photobucket.com/user/2500heavyduty/library/DIY/cp3%20replacement?sort=3&page=1
#7
they look the same but.... remember fuel pressure regulator is not the same so you would need EFI custom tune at minimum to make it work maybe a homemade adapter to connect it to the stock LB7 harness if you buy i rebuilt pump from industrial injection they all have the same upgraded parts inside them min will hold 28,000 psi on the rail if commanded by a Tech II i also shimmed the fuel pressure relief valve but anyway they are great reliable pumps
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