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Power Strokes
6.4 Aftermarket
Resurrecting a pile of crap.
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[QUOTE="Tree Trimmer, post: 870237, member: 716"] after the thread i had a while ago, i'd rather not go into it. .......stock replacement 71/59 as for mods. de-lipped and coated pistons, lowered compression 1 full point. hardened seats with a valve job, new seals/guides etc etc new lifters stg 1 valve springs stg 2 push rods stg 1 cam spec'd for towing with some playing rcd style intake. bought a new one and machined the plugs out. no limit cold side and intake arp head studs ccv reroute gearhead tunes on a livewire stock trans all on 100% stock fuel, 120k on all fuel system. maintains his commanded 26-27k rail on any tune i have from him, or any tune i have of innovative's preloaded. there is zero lag, lights literally instantly from a dead dig, and as i said, in anything more than a just over stock mild tune, i over speed the turbo's. i need both a wastgate, and larger turbos. we knew when we did mine, that the 71/59 was going to be close to to small but we thought it would be ok. and it is ok.....in a mild tune. generally see boost in the low 50's pedal to the floor, though it has touched low 60's a few times. imo, thats to much to expect from those turbo's. really, any 71/59. the PR is just to much for the amount of air your asking it to flow. which don't get me wrong. my current mild tune is more than anyone really needs on the street. it feels in comparison to my hot street/kinda race tune before the internal work. driving on a dry street in the summer is like driving in the snow in the winter if you feel like having a heavy foot. when i put my race tune in, it has to be in 4wd, or there is no forward progress in a timely manner. it sits very still, or when you get it rolling, it starts to slow down as the rubber starts to melt. i'm very happy with the end result of where my truck is now. i'm going to do exhaust manifolds/up pipes and a wastegate hopefully this spring, along with larger turbo's hopefully in the fall/winter of next year and call it a day. [/QUOTE]
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Resurrecting a pile of crap.
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