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Power Strokes
6.4 Aftermarket
good for towing? street?
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[QUOTE="sonic blue l, post: 1244048, member: 5185"] I question the benefit of valve reliefs. The only real benefit would be extra valve room, however if your valve train is set up properly then I'd say one would be worse off with them. Pro clearance. Negative, lower compression, sharp edges protruding into bowl, material removed from piston top (heat sink, flame travel, piston any weaker?, etc Mind you I also think stock head bolts will be fine :) So what rpm to gearheads tunes shift at? I can't figure oh why tuners like to rev them to 4g+ all the time. (6.0l and 6.4 performance tunes). Heads flowing crap, so why risk the extra margin of safety from a missed/slipped shift by upping the rpm so high? Maybe that's why I don't believe in valve reliefs as if my shift points are not at 4,000 but closer to stock, I will have much more room for forgiveness if a shift or traction issue occurs. [/QUOTE]
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good for towing? street?
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