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Message: [QUOTE="Isobaric, post: 1254254, member: 18078"] I really don't mean to steal your thunder, I can dig the enthusiasm, but like others have said you aren't doing anything groundbreaking. The last bone stock 7.3 I had apart had kisses on all 8 pistons from the valves. Short gears (4.56 IIRC), ZF-6, Superchip gold pulling a 24" goose-neck at 75mph for 260xxx was enough to float the valves into the pistons. If the possibility of a mechanical isn't enough to deter you, then let the precipitous decrease in HP above 3100 rpm do it. Stock 7.3 heads don't flow enough air and stock 7.3 injectors don't empty quick enough to do anything useful at that number of revs/min. [/QUOTE]

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