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2009 to 2014 F-150 3.5L, 3.7L, 4.6L, 5.0L, 5.4L, and 6.2L equipped F-150s. |
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Thread Tools | Display Modes |
#1
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Anybody know what the stock rev limiter is set at on a 2009 5.4L? Just got my custom tune in and wanted to check to make sure my rev limiter is set correctly.
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#2
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If it's at 4200, as some members have reported, that's way too low. - 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 |
#3
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Anybody else with ideas on the stock setting? |
#4
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Bill or Cody would probably be your best source for the REAL appropriate limit, but I know from past posts from Bill that he's driven the engines to 6000, with no ill effects. This actually sounds a bit extreme to me. The limit I gave you was related to the Torque Converter on the older models. It starts to balloon at 5400. I think that region is a pretty safe setting, and I personally, would not go higher. Like you though, I'm happy to hear opinions from others. I simply ask that you justify your numbers with SOME reason, ideally, engineering data. My 5400 figure is really quite old and is from a post from Mike Troyer at Troyer Performance - it may well be no longer valid for newer drivetrains. - Jack |
#5
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I just received my custom tunes for my 2010 F150. The rev limiter on my E87 performance tune that was sent to me is set at 4306. Is this too low?! At WOT my truck gives out before I get out of 1st gear! Did yall ever find an answer to what is the ideal setting for the rev limiter on the 09+? Thanks!
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#6
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Yes, that is too low. You are not the first to report that somehow, in building the tunes for this device, the rev limit ends up too low despite PHP's knowing it should be higher. Cody can rewrite the tune with a better rev limit, but you'll have to wait for Bill to load the tune on the Fusion server.
In the meantime, I recommend you manually set your rev limit to 5500 RPM. - 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 |
#7
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If I change the rev limit manually while programming does that change anything else about the tune like shift points, etc? If not, then there is really no reason for him to write me a new tune, correct? I know they're some of the busiest people on the planet!! If this is the case, I dont mind just setting it myself and going on with life! Let me know what you think! Thanks for your help!
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#8
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- Jack |
#9
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I adressed the problem with my rev limiter being set to low (4200) by increasing it to 5500 in the custom tune settings, but it still wont shift from 2nd to 3rd, it just hits the rev limiter (at 5500), any help would be much appreciated, I am running an Edge CTS w/ K&N Intake and Magnaflow Exhaust (Single to Dual Side Exit)
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#10
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Try setting your rev limit to 5250, that should be Ford's specs that Edge uses in the '09 5.4L models. The only reason I say this is because i had mine at 5400 and it was still shifting acting goofey. Spoke with Edge and they told me to try 5250 (Ford's stock rev limit) and it works well thus far. Hope this helps.
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