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Thread: Z20let

  
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    chris.100's Avatar
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    Talking Z20let

    Does Anyone Know What The Difference Is Between The 187hp Turbo Engine And The 198hp One.

    I Have Heard It Is Software, If So Do Vauxhall Do The Remap And For How Much?

    Ta

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    Sten's Avatar
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    Don't think there is anything in it in reality. From what I've heard all the Z20LET's seem to put out around 200 from std.
    Previous Astras: 1994 Cesaro 1.8 16v | 2002 SXi 1.6 16v | 2001 Coupé 2.0 Turbo | 1999 LS 1.6 16v
    Other Vauxhalls: 2001 Vectra 1.8 16v| 2003 Vectra GSi 3.2 V6 | 2005 Signum CDTi 150

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    DaveDempsey's Avatar
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    Its a software differnace, the engine itself is the same (providing you are talking about the 170bhp verion in the Astra, the Vectra version is differnt). Vauxhall cant offer the remap for it (I looked into this when I had mines), you can get it remapped by either EDS from Regal or a remap at Courtenay.

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    ADY JONES's Avatar
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    Chris is talking about the earlier Z20LET that was in the first coupe's 189 but later they where 197bhp. As said above most are around the 200 mark. If i remember correctly think it was just a slight software differance. Not sure if Vaux can change it to the later map but have read something about it somewhere on here i think.

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    DaveDempsey's Avatar
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    Ah right, teach me to read the posts correctly, if you have the latest version of the software flashed on via tech 2, some dealers will charge some wont.

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    The 888 is a 187bhp car (Apparently) and I asked for the 2004 GSI Mapping. It cost me £25 (And I got my headlights allignment thrown in too )
    Fastest, Most Powerful & Only Mag Featured Astra In The AOC Cumbrian Region

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    ratman5door's Avatar
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    if u get it reprogrammed by vaux all the new software will make the car run 197bhp from what i remember. Just get the new software for ur car put in.will up bhp to 197bhp.

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    Gnasher's Avatar
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    From what I've heard, they all pretty much put out high 190's - the later software improved driveability, but didn't put the power up.

    Vauxhall only claimed the lower power to not scare the insurance companies too much (from what I've been told!)
    2006 Astra VXR on 19's in Arden Blue
    ExhaustsUK Catback, Eibach Sportlines, DS Ultima, Roose hose kit, Forge recirculating dump valve, Full self modded SMD conversion

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    MikeWarner's Avatar
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    They all had the same power. Vauxhall played down the power to start with in order to make the cars more insurable. Courtenay have tested the early and later standard maps and they all put out the same power. Most of the time, a standard Z20LET will put out 205bhp or more. The Astra Gsi map is slightly better drivability wise apparently.
    8 Astras in a row! Can Anyone Beat That?
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    K3FUS's Avatar
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    My coupe was 205BHP as standard.......a long time ago!
    Tell me what you've done, not what you're going to!

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