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Heading to the dyno with my 03 Cobra...
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[QUOTE]Originally posted by Jeff S: [QB] Well here are the results. This graph shows my previous stock-pulley/no-tune numbers overlaid with todays numbers using the 3.10 pulley and tune: [IMG]http://www.pc-wholesale.net/mustang/3.10pulley_dyno.jpg[/IMG] I'm not sure if i'm getting belt slip(my stock boost guage stays pegged) or spark blowout(plugs are gapped at .035) but something isn't quite right at 5700+rpms. I also thought i'd see more torque with this pulley. My rear end is making all kinds of popping sounds so i'll be taking it to the dealership asap. Once fixed i'm gonna hit the dyno again with my 2.76 pulley and see what a difference that will make. [/QB][/QUOTE]
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