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  • Poor Mans Repair Guide For Chevy,GMC Vortec Fuel Injector spider or CSFI System

    The only that I can tell you is follow the instruction & clean the ports where the injections & use a shop vacuum to clean out the valley.& properly torque the upper plenum the factory part has the sequence torque the bolts 1st pass is (44 lbs in) & 2nd pass is (80 lbs in) if in doubt & you have access to a Snap-on or shop grade scanner tool do a do fuel injector test! & after you're done change the oil & filter & add marvelous mystery oil to gas & oil ! & change fuel filter is cheap & by changing can save the fuel pump! a dirty fuel filter can cause the fuel pump cavitation & will burn up the pump connector & watch youtube videos without dropping the tank on the pickup only there are 2 videosMy last tip is Be Safe & take 5 second...see more »The only that I can tell you is follow the instruction & clean the ports where the injections & use a shop vacuum to clean out the valley.& properly torque the upper plenum the factory part has the sequence torque the bolts 1st pass is (44 lbs in) & 2nd pass is (80 lbs in) if in doubt & you have access to a Snap-on or shop grade scanner tool do a do fuel injector test! & after you're done change the oil & filter & add marvelous mystery oil to gas & oil ! & change fuel filter is cheap & by changing can save the fuel pump! a dirty fuel filter can cause the fuel pump cavitation & will burn up the pump connector & watch youtube videos without dropping the tank on the pickup only there are 2 videosMy last tip is Be Safe & take 5 seconds & think before you do something!!

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  • Poor Mans Repair Guide For Chevy,GMC Vortec Fuel Injector spider or CSFI System

    Vacuum for fuel regulator comes intake vacuum

    Ebay sells for or $190 for a 4,3 eng & 5.7 eng $260 Brand New ! Too much work with trying to fix junk ? i just replaced on both my trucks ! Fyi ! Run marvious mistery oil all the Time!

    Ebay sells for or $190 for a 4,3 eng & 5.7 eng $260 Brand New ! Too much work with trying to fix junk ? i just replaced on both my trucks ! Fyi ! Run marvious mistery oil all the Time!

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