Beware of Re-Mapping or Chipping

Discussion in 'Motorhome Chat' started by Motorhome Man, May 5, 2016.

  1. Motorhome Man

    Motorhome Man Funster

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    Hi all, if your thinking of remapping or chipping your motorhome beware. My own experience of chipping our Fiat Ducato 2.8 JTD was that fantastic additional power was achieved but on a long steep hill near the top the revs shot up as the clutch started to slip. The power increase from the chip is probably 20% but the standard clutch isn't man enough to take the additional torque. Larkspeed, a performance parts supplier recommend a stage 3 clutch to any diesel that has been chipped or mapped to handle this additional torque. Obviously motorhomes are almost always on or invariably over their gross weights and things like clutches and brakes are worked to their limit. The additional power from remapping/chipping needs a stronger drive train. A stage 3 clutch is £400 so i wonder if the fuel saving is worth it. I have disconnected mine. My van has only done 12000 miles and i don't fancy a new clutch just yet. Hope others find this helpful. Regards Luke
     
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  2. mitzimad

    mitzimad Funster

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    from the fact that you say you have disconnected it i assume it was a add on chip?
     
  3. Motorhome Man

    Motorhome Man Funster

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    Mitzimad
    Yes sorry, should have mentioned it was a performance/economy plug in box from a german supplier on ebay.

    Luke.
     
  4. Jaws

    Jaws Funster Life Member

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    That sounds like it was just an injector control for the common rail injectors.. and it was MASSIVELY over set !

    Big difference bewtixt that and a proper remap :)
     
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  5. sally47

    sally47 Funster

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    Is that your van a two axle which is about three ton 2.8 127 bop can understand sometimes we need more torque but I have a tag axle chieftain and fully loaded is over 4 1/2 ton I don't race and am quite happy at the performance in fact surprised sometimes so each to there own I suppose
     
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  6. funflair

    funflair Funster Life Member

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    So to be fair, yours was neither re-mapped or chipped, so possibly the title should read beware "performance plug in boxes".

    Martin
     
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  7. The Wino

    The Wino Funster

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    Or if you up your engine power bits will wear out more quickly not as snappy but when you think about it inevitable
     
  8. Geo

    Geo Trader - Funster

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    Assuming a Standard clutch (The only one that I know is available) as they don't even make a heavy duty version is a
    Stage 1
    Please define a Stage 2 Clutch
    Please define a Stage 3 Clutch
    In as much as, how and where they differ from standard and who makes them?
    I ask because much as cylinder heads are sold as "Stage" 1,2, or 3 there is no actual definitive of what they are.
    One mans stage 3 is another mans stage 1.

    Hyperthetical Example
    Here at our Garage you can have for £80 a ------- Stage 1 (y) -----------------------------Cheap Chinese clutch
    A better clutch for £100--------------------------------Stage 2 ;) ---------------------------- Better quality Brown Box aftermarket clutch
    For £130 to £180----------------------------------------Stage 3 / 4 / 5:cool:-----------------------Borg and Beck, Valeo, LUK clutch
    For £245-------------------------------------------------Stage 6 :whistle: ------------------------------Genuine Fiat clutch
    WOW a STAGE 6 Clutch:hot:

    See where this is going :rolleyes:
    I can call em what I like, NONE of them however are Heavy Duty,Extra Strong High Pressure etc
    Unless you go to a racing clutch specialist and have one bespoke made for you ££££££££££££££ and I doubt they will:crying1:
    Prove me wrong
    Geo
     
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  9. mitzimad

    mitzimad Funster

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    heavy duty clutches if such a beast exists need strong legs to use unless you can change the hydraulics or leverage on a cable
     
  10. Geo

    Geo Trader - Funster

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    Can we also whilst on the subject dispel the myth that bolt on chip boxes are crap
    coming from a racing background I can without fear of ridicule ask, Whats makes a crap map wrote to your ECU, better than a superior map in a bolt on box?
    If you dont get it let me explain maps are written by many so called "Experts" its the quality of the expert and the map that matters not how its delivered
    Bolt on mapping should NEVER be confused with Go Faster e bay chips in a box
    Reasonable quality dyno tested ECU Map change, circa £300-£400 (written for a generic version of your engine not dyno'd in your van)
    Reasonable quality dyno tested Bolt on Box Map circa £300-£400 (written for a generic version of your engine not dyno'd in your van) (maybe a bit extra for the pcb and box)and can contain 3 maps one either side of the considered best with adjustments if deemed necessary.
    The name eludes me at the Mo but the first and thought of as the very best was a bolt on. till the company folded
    Go faster Box e-bay £39.00 £100 + simple over fueling trickery
    The Benefit of a "Proper Maped Box" is, you can take it off for Main dealer servicing if you fear warranty issues and re fit when done
    You can take it off when you sell the van, and have it re mapped at often less than half the cost because you already own the hardware
    Downside to ECU map is it could be over written back to standard by the Main agent during warranty call backs/servicing/rectifications to software
    When the van goes it goes with it and you pay full price again
    So For and Against, you will all have your reasons why you went the way you did.
    Just lets drop the " Bolt on's are crap Mentality"

    For the sake of fairness

    I will add, Some Bolt ons are absolute crap

    AND some ECU remaps are absolute crap too

    Research your chosen mapper before you go ahead with either option and remember
    Correct mapping Will Not Cause Clutch Damage.
    It will however show up or accelerate the wear on an already worn clutch
    Geo
     
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  11. trophychap

    trophychap Funster

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    When I bought my Bessacar new in 2009 I spoke to a guy in Fiat customer services with regard to "Juddegate" as people called it he agreed that Fiat would do the necessary mods, IE lower reverse gear stiffer engine mounts etc.

    Off the van went to the local Fiat professional dealer and when I collected the van a few days later they informed me they had done all the work with the parts supplied by Fiat and that it included a heavy duty clutch too.

    Now I don't know it one exists or not! But I do know that the clutch on the Bessie was certainly a lot stiffer after the gearbox mods than it was before the work was carried out!!

    Just saying.......
     
  12. Steve

    Steve Funster Life Member

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    Last edited: May 6, 2016
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  13. mitzimad

    mitzimad Funster

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  14. Forestboy

    Forestboy Funster Life Member

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    @Motorhome Man
    Get ready for a bashing.
    Had exactly the same problems after remapping by WOW / Quantum and its well documented on here. But get shot down every time I mention it on here.
     
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  15. jonandshell

    jonandshell Funster

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    I don't get the whole Motorhome remapping thing.
    What's the rush? You're on holiday!:)
     
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  16. jonandshell

    jonandshell Funster

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    Tony and Jackie @jaygee have had exactly the same experience Rory!
     
  17. Forestboy

    Forestboy Funster Life Member

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    Yeah I know Jon I also know at least 3 others.(y)
     
  18. Whitebirdyman

    Whitebirdyman Funster

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  19. scotjimland

    scotjimland Funster Life Member

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    agreed (y)

    I'm more than happy with the performance, it can go faster than the law allows..

    but I'm quite content to tootle along .. no rush

    never understood the 'need for speed' in an ice cream van .. :LOL:

    I'd be very interested in one of these magic boxes that ALSO increases MPG :rolleyes:
     
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  20. Steve

    Steve Funster Life Member

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    Yes they do bite a bit but i have never worn one out. But may consider one when mine gives up but remap 3 years now and still ok
     
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