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  1. #1
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    Biofuel in the 1Z

    I hope I am not asking a question that has be answered before but I have looked and couldn't see anything honest!

    But I have a 1993 audi 80 tdi with the 1Z engine and I was wondering if it is possible to run it on biofuel or svo etc! especially as the cost of diesel has gone up so much the cost of a home kit looks more and more tempting but only if my car will cope with it!

    Does anyone have an experience of using biofuel with this engine or anywhere that I can look to find this information?

    Many thanks

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  3. #2
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    VAG states bio-diesel compatibility only from 1996, but not for the latest 2L tdi's. As for SVO maybe a blend although the jury is out on the long-term issues regarding that.

    I'm looking to twin-tank the A4 (B6 130) very soon, with the amount of mileage i cover i'll break even in 6 months.

  4. #3
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    its likely that bio is ok, but your fuel lines and seals may be subject to dissolving - i guess only a trial will say. the engine and pump will be fine

    veggie oil at 30% in diesel is pretty much ok with any engine and pump but since veggie oil is about the same cost as bio you are probably better off with 60-70& methyl ester bio rather than the veggies which is higher viscocity and contains lots of glycerol chains
    TT-RS 410hp revo
    Fiat 500 1.3 tdi 120hp
    A3 8P 2.0tdi 240hp Autograph Cars
    RS4 B5 520hp MTM
    S3 8L 345hp MTM
    Volvo 850 T5 300hp BSR
    Fiat Punto GT 130hp
    Lancia Delta Turbo 185hp
    Lancia Beta Coupe 122hp
    Mini 74hp

 

 

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