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Finishing up a 6.7 swap in an 03 using 03 injectors. I have read plenty of articles regarding this swap but have never read any info on 5.9 vs 6.7 injector flow. Anyone know stock for stock how the 5.9 injectors flow vs 6.7? Sent from my SM-N960U using Tapatalk

Anyone have a set of genuine Cummins QSB 6.7 pistons laying around that could upload or send me a few pictures of the markings on them? Just want to make sure what I purchased are genuine Cummins pistons and not some Chinese knock off junk before I send them out to be coated. Thanks Sent from...

Anyone have a set of genuine Cummins QSB 6.7 pistons laying around that could upload or send me a few pictures of the markings on them? Just want to make sure what I purchased are genuine Cummins pistons and not some Chinese knock off junk before I send them out to be coated. Thanks Sent from...

Just picked up a complete 6.7 minus turbo, ecm, and injectors for a great price to replace a 5.9 in a 04.5 truck I purchased that melted #2 piston. If not building a hot rod, just a DD. I've searched and read and it seems like I'm getting two different answers for my question and most of the...

Putting together a 6.7 to replace a 5.9 and not sure if I should stick with the close bowl piston and 143 nozzles or go with the qsb industrial open bowl piston and run either 143 or 124 nozzles. Please advise Sent from my SM-N920V using Tapatalk

Wondering if I need to order a gated exhaust manifold for a 6.7 compound build. 66/73 .91 T4 Over 80/96 1.32 T6 Sent from my SM-N920V using Tapatalk

Building a 6.7 to replace my 5.9cr, wanting to keep my compounds but switch the secondary to an S366 .91 T4 over the S480. Looking at purchasing a Steed Speed 24v T4 gated manifold. My question is I assume I will want to keep my T4 flange pointed up but not sure if I will need the waste gate...

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Sent from my SM-N920V using Tapatalk