Why doesnt have any low end power?? - Ford Powerstroke Diesel Forum
6.0L Performance Parts Discussion What has or has not worked for you?

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post #1 of 10 Old 07-12-2009, 10:23 PM Thread Starter
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Why doesnt have any low end power??

I have an 07' F250 4x4 AT 6.0 truck and have installed a 5" turbo back exhaust, S&B intake, SCT X3 programmer with the innovative diesel tunes. Every tune has no low end power. I was wondering if i made a bad combination or is this normal. My 7.3 had tons of low end power and not as much top end. Please give me some feedback.

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post #2 of 10 Old 07-13-2009, 12:47 AM
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Im under the impression that the 6.0 never really had much bottom end..my dad had a F350 dually a few years back and with a big load behind it it really didnt get things goin to it had built a few RPMs..of course that truck was stock though

Ford F250 6.4 CC/SB, Spartan 350 w/TCM, Mag-Hytec deep pan, Flo-Pro 5 inch Exhaust, AFE stage 2 with ProDRy, 2.5 Readylift, ZEX Nitrous single stage, BD CAC pipe, ATS 5-star converter, elite egr delete/wastegate, ts mp-8 stacked, Procomp traction bars, locker, CFM plenum, ARP studs. Innovative tunes and Suncoast on the way!
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post #3 of 10 Old 07-13-2009, 04:14 AM
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My stock 6.0 doesn't pull that good till it gets to 2000 rpm.

2006 F-350 4X4 FX4 Tuscany Longhorn , Leer Custom bed cap, RECON lights, Upfitter switches, Whelen Lighting, Hi-Idle Mod.

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post #4 of 10 Old 07-13-2009, 04:53 AM
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You may have lost some with that big exhaust


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post #5 of 10 Old 07-13-2009, 04:59 AM
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The way I understand it is when you change the downpipe to a larger size, you will sacrifice/lose some low end power.

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post #6 of 10 Old 07-13-2009, 04:15 PM
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I have also seen different bar graphs that have different rpm spikes. Talk to innovative about your issue and see what they can do
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post #7 of 10 Old 07-13-2009, 04:16 PM
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5 in exhaust killed your low end

Email: Dave@powerstroke.org
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post #8 of 10 Old 07-13-2009, 06:26 PM
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The 6.0s dont seem to have very good off-idle power compared to a 7.3, my guess would be due to the displacement.

But with my custom tunes I get alot of power off-idle and really have to be careful not to break loose when taking off into traffic or something.

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post #9 of 10 Old 07-13-2009, 06:35 PM
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two completely different motors. The 7.3 was built for low end power and torque the 6.0 has more of a mid to high end power band. It has nothing to do with your set up its just how the 6.0 is.

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post #10 of 10 Old 07-13-2009, 07:28 PM
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cam timming that will do it
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