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Discussion Starter #1
I would like to get some feedback on different tunes/tuners (SCT,H&S,Spartan) all higher HP tunes ofcourse, what RPM are most of you seeing these shift at? What is your peak HP/TRQ been at numbers and RPM? What track time are being seen.

Just wondering how far these engines are good for RPM wise and what causes them to drop off power wise.....fuel pressure,cam,air and so on.Seems like they are peaking lower than the 6L and alittle higher than the 7.3 but with less torque,is that right?
 

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Madd Dogg Diesel
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745 Posts
i think the cam is what sets the peak hp on the motor, they offer cams for them to put the peak hp at up to 5000rpm
 

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Discussion Starter #5
I really think they need to be up around 3600-3800 peak, I am just trying to get a feel for these engines as I talk w/ BDP as the tuning goes on. I can say I am shocked at the lower RPM peak HP and lower torque numbers.
 

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Madd Dogg Diesel
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ya a complete stock motor is set to peak right at 3000rpm
 
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