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2004 to 2008 F-150 and Mark-LT 4.2L, 4.6L and 5.4L equipped F-150s and Mark-LTs. |
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#1
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Hi I have recently purchased a gryphon cs. I installed and i love the performance except that it shifts extremely hard. Like someone is kicking my back seat as someone else has said. I have dialed down the shift firmness to -4 for all three shifts but it is still too hard! Tow tune and 91 performance tune. I like the power but the shifting sucks. Even my gf asked what was wrong when i was driving. WOT it really kicks and normal driving a lot lower kick. I would like firm but not like riding a bucking bronco.
Also how do i get my hex and all of the things i need to start the process to getting custom tunes? Please help! I have a 2008 f150 5.4 flex Also i have a volant cai and about to install banks catback sido. With the cai the check engine light has not come on. |
#2
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Also I can not change the shift rpms like i have read about older cs programmers being able to do
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#3
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I think I put the HEX code in there. Can someone confirm if this is correct. I have ordered the 87 performance tune. Is there a way that i can have this changed to 93 instead. My canned tunes are really sucking right now. Performance is good but anytime i give it hard throttle it will shift really hard. If i dont give it too much throttle then it shifts ok... Please can someone tell me what i need to do to make my transmission better so that it does not break.
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#4
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![]() Quote:
You can try dialing the shift firmness down more than -4 if you feel the transmission is shifting too "hard". Try -10 for the three shift points and adjust from there. - Jack
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2024 F150 Platinum SCrew 3.5L PowerBoost FX4, Peragon Tonneau Cover, LineX Bed, 35% Window Tint on All Sides and Rear, Full Nose Paint Protection Film, Husky Mud Guards, Lasfit Floor Liners, VIOFO Dash Cam |
#5
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If the shifts are that bad put it back to stock....
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SENIOR MODERATOR--PTLA God doesn't have a Facebook but he's my friend. God doesn't have a twitter, but I follow him. |
#6
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Ok see if hex is posted now? I think I may be returning to stock. I really don't want this to be an expensive paper weight/ refund. Any ideas how to fix? Is there an update I'm missing?? Thanks in advance guys
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#7
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Many of the flex fuel trucks have been problematic. You'll probably have to wait until you have custom tunes if the programmer doesn't soften them up enough.
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#8
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Anyone else with a 5.4 flex have the same problem? How did u fix it? Thanks
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#9
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![]() Quote:
- Jack |
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