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Thread: Which engine is in the 2003 Astra Sri Turbo?

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    Regular Member The Doc's Avatar
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    Default Which engine is in the 2003 Astra Sri Turbo?

    Same as the Vectra and Signum 2 Litre or the older engine?

    Thanks

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    The older one .... Z20LET

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    Thanks is this the Saab engine basically?

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    Quote Originally Posted by CDTi
    Thanks is this the Saab engine basically?
    Someone's thinking about BSR aren't they?

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    if im right in thinking the signum has the z20net lower compression

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    [Ex]Admin Duncan's Avatar
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    Yep, the 2.0T in the Vec C and Signum is the Z20 NET. The Astra that CDTi refers to will have the Z20 LET.

    If he's thinking of tuning that engine then there's a massive choice out there for the Z20 LET- unlike the Z20 NET!

    D

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    Regular Member Maverick's Avatar
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    The Astra SRi Turbo has an early version of the Z20LET which runs 3201 software, this is also shared with the Coupe. 189bhp (192PS) an 185lb/ft. Still gave the car a 0-60 time of 7.0 seconds dead.

    The first upgrade on these is to install 3202 Astra GSi software, this although gives better figures 197bhp (200PS) and 185 lb/ft, it is a much better map making the car drive much better

    Any info you need John on this engine, then let me know, after owning the Zaffy, I have got to know alot of what can be done

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    Regular Member The Doc's Avatar
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    Cheers Matt will be calling ya later mate

    Forgot the same engine as the Zaffy!

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    Quote Originally Posted by AJA
    Someone's thinking about BSR aren't they?
    No not BSR mate

    If I do what I think I would do it properly

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    The Z20 LET is still going strong in the Astra H, but it is called :-

    Z20LEL (170PS)
    Z20LER (200PS)

    But all the mechanicals are identical for the above and the Z20LET.

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