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| Phoenix Switch-On-The-Fly Chip (DISCOUNTINUED) (Disabled) Power Hungry no longer sells the Phoenix/TS chip, but if you need custom tuning we can recommend a few really good tuners that will be able to still provide tuning and support for your chip. If you have any other questions or comments about the Phoenix/TS chip, please post it here. |
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#1
Tue, June 1st, 2010, 10:55 AM
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New phoenix.. Kind of happy
I just installed a phoenix in my 96 7.3 ps. The up shift from 3-4 is really slow. It feel like it gets hung up between shifts. Is this normal or something that needs a little adjustment. I pulled my jeep 320 miles each way this weekend. The extra power was nice But I seem to have lost a little fuel mileage.
every body talks about extra miles I am just unlucky or what |
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#2
Tue, June 1st, 2010, 11:39 AM
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The 3-4 upshift is a concern for most every 95-97 truck and it has to do with the torque converter clutch strategy and valving in the transmission. It unlocks just before the 3-4 upshift and relocks about a second after the shift. There are mechanical fixes for this but it is up to the hardware and software that Ford uses. The extra power brings out the condition.
The mileage increases are usually only going to be noticed while running empty as it takes a specific amount of fuel to make a specific amount of power. The extra power you thought was nice for towing is taking a little bit more fuel. Run it for a while empty and see what the mileage does.
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Tuning, PCM flashing, and burning chips for 7.3s since 2008. Repairing all aspects of 7.3L Powerstrokes for 25 years. Eight 7.3L PSDs in the driveway including a 1994 Crown Vic and 1973 F100/2002 F350. Looking for the next victim. |
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