Has anyone reflashed their 3.0SC V6 aka Tune?

Discussion in 'LR4' started by Fields Carlisle, Jan 3, 2018.

  1. gsxr

    gsxr Full Access Member

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    I know this is an over-generalization, but often "tunes" are adjusting throttle response to provide more power with less movement of the accelerator pedal. This gives a big improvement via butt dyno, but may show little to zero power gain on a dyno (or at a dragstrip), at least for normally aspirated engines.

    Forced induction engines generally get the same throttle-response bump, along with more boost, to provide real gains (pulley swap needed for supercharged applications). As mentioned above, a lot depends how much R&D was put into the tune. Sometimes, sadly, the customers are the beta testers. Especially for low-volume engines/vehicles.

    :oops:
     
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  2. Fuji4

    Fuji4 Full Access Member

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    Update on MPG. anecdotal of course, but my average mpg prior to the tune was 13.5. After the tune and about five or six tanks of gas it is 14.4. I drive a mix of LA city, and LA freeway in the hills, going 80-85mph. not exactly the direction i thought it would go, but, there it is.
     
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  3. Fuji4

    Fuji4 Full Access Member

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    update on the tune. I've gotten used to it now. It does feel like a different truck. Lots of life in the gas pedal. The big areas i see every day are the ease of passing people at 70-80mph roll on, on ramps, etc. I don't race cars at stop lights (it would still lose) and i try and drive smoothly in the city. My only complaint would be the touchiness of the throttle down low, but i have mostly modified my gas foot around that. I would say it was 30 percent too mushy and unresponsive before and now it is 20 percent too responsive.

    The tune combined with the EBC brake upgrades make this thing stop and start about 20-30% better overall. i carry 20mph more speed onto exit ramps and the brakes shut it down fast. I really feel like the truck should come this way. But then again, i drive my friend's raptor and it feels like all trucks should drive that way.
     
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  4. jettore

    jettore Full Access Member

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    Fuji4, thanks for the update. Sounds like great improvements. It's definitely a change i'm interested in when I get closer to warranty ending.
     
  5. jwest

    jwest Full Access Member

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    If only it were turbos... you’d be seeing 450hp and a lot more torque plus fuel economy when easy on it.

    My bmw 535 wagon in-line 6 tt has 420lb-ft now and still gives me 27-30 mpg if cruising 65-70. It’s a 6mt too though.
     
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