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| F.U. Chip & FU2 Flex Chip (DISCONTINUED) (Disabled) If you have a question or comment relating the new F.U. Chip or FU2 Flex Chip, post it here. |
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#1
Fri, March 18th, 2011, 12:01 AM
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Towing in HP mode?!?!
I had to do about 600 miles of freeway towing today (about 6500-7000lbs) and I didn't get a chance to swap in some tow tunes on my FU beforehand. I did all my driving in the mildest tune I had which was the 80+HP setting. I was just wondering if this could be harmful?
Maybe it's just me, but when towing my truck felt a lot more sluggish and took quite a bit of time getting up to speed(but I was trying to avoid going above 1000F EGT). Could this be a result of towing in the 80+HP tune or is it in my head? I feel like there should be a lot more get-up-and-go since this truck is rated upwards of 20k.
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2002 F-250 7.3 XLT CC/SB -- 4R100 -- 3.73 gears -- 139k miles -- 285/75R16 TreadWright Guard Dog M/Ts -- 3" leveling kit 4" MBRP exhaust -- foil delete -- DIY intake -- zoodad mod -- Wicked Wheel -- Auto Meter Ultra-Lite II gauges -- PHP F.U. 6 position chip 
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#2
Fri, March 18th, 2011, 08:51 AM
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Hey bud I tow my 9-10k horse trailer in the 80dd tune all the time with no problems at all. I bet it did seem sluggish if you where worried about 1000*egt but your temps would have probably been better if you would go on with it, as in getting the rpms up. You got plenty of get up & go if you just ask for it. The egt will get higher if you lug the engine.
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2000 F-250 SCLB 2wd 7.3 auto PHP stock-65t-80dd-120race-high idle-no start 4"tb exh, wicked wheel, 3 guages, AIS, coolant filt, |
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#3
Fri, March 18th, 2011, 09:25 AM
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I pull my loaded car trailer around on the 80dd setting with no problems, I have a 65hp tow setting but rarely use it as my truck does fine on the other settings, I pull my unloaded trailer around on the 120race setting and dont really see any adverse effects just have to watch the temps close
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#4
Fri, March 18th, 2011, 01:08 PM
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The only things you'll notice while towing in higher HP or DD tunes are an increase in EGT while accelerating at a decent pace (NOT trying to keep EGT low) and early shift points. Otherwise, nothing else is too different.
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Tuning, flashing, burning chips, and repairing all aspects of 7.3L Powerstrokes. SEVEN 7.3L-powered vehicles in the driveway. Two didn't come that way from the factory! |
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#5
Fri, March 18th, 2011, 01:33 PM
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hey thanks for the replies. I was worried about EGTs getting too high but I guess I should only be worried around 1200+?
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2002 F-250 7.3 XLT CC/SB -- 4R100 -- 3.73 gears -- 139k miles -- 285/75R16 TreadWright Guard Dog M/Ts -- 3" leveling kit 4" MBRP exhaust -- foil delete -- DIY intake -- zoodad mod -- Wicked Wheel -- Auto Meter Ultra-Lite II gauges -- PHP F.U. 6 position chip
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#6
Fri, March 18th, 2011, 02:02 PM
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im gonna try out some tunes next weekend(pullin up the cajon pass) i'll report back
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2002 7.3 F250 Supercab Shortbox DIY intake CCV dumped Autometer gauges WW/ATS 1.0 exhaust housing Hutch/Harpoon in tank mods/hpX line AIH delete/ebpv delete TruCool trans cooler Straight piped PHP FU 
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