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Thread: terrible kms to a tank with my 4ac

  1. #1
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    Default terrible kms to a tank with my 4ac

    hey guys i got a stock 4ac ae71 auto and it chews through the juice. just wondering how to fix this or how many kms does everyone else get?

  2. #2

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    Getting about 10-11l/100km as a real rough guide, driving it pretty firm.

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    well i get like 250-300kms out of a tank with a bit of thrashign here and there

  4. #4
    Elite rthy's Avatar
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    i was getting 7 -8 with the granny 4ac auto
    maybe check the carby?
    30kw club

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    Veteran Jonny Rochester's Avatar
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    -check trans oil level. And that it changes into high gear.
    -take air filter off, check auto choke opens when warm
    -check air filter is ok, not restricting
    -check for fuel leaks
    -check front wheels turn free, brakes not sticking.

  6. #6
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    i think auto might not be changing into high gear as it is reving fairly high when cruising at 80.

  7. #7
    Veteran Jonny Rochester's Avatar
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    -check trans oil level, with engine running.
    -check kickdown cable adjustment. Loosen it if you think it is holding a lower gear.

  8. #8
    Senior Member Sprinterboy's Avatar
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    I think i was getting 300+ round town "brisk" driving, and I made canberra-albury one take, albury-melb 2nd tank. so 400ish I think. That was a bog stocko 4A-c with stock everything and running 15in cressida mags sitting on 120kph.

    Now days I have no idea bout the ZE. only gets driven 50k at a time and is filled via jerry tins

  9. #9
    Veteran Nikkojoe's Avatar
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    Carby rebuild kits do wonders for 4ac's. I was getting 250km to a tank, installed the kit and i got 500-550km to a tank.
    1983 AE86 ADM rust spec goodness track car build - end of the road
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  10. #10
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    where do i buy the kit from and how much are they?

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