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Thread: Astra F 1.6 8v lacking power?? help?

  
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    AndyAll's Avatar
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    Astra F 1.6 8v lacking power?? help?

    I have a mk3 astra 1.6 8v it seems to be lacking power, all service parts changed eg oil, air/oil/fuel filters, plugs and HT leads even the rocker cover built in filter/breather has been cleaned. The car just doesnt seem to like hills or any incline i always have to drop a gear even sometimes on the motorway cruising at 70, fuel economy is good, not losing any fluids at all water and oil are clean and not mixing, plugs whitey brown colour temperature is fine too, hesitant acceleration between 1000-2500 revs and slight misfire, under acceleration it feels like its lagging or pulling a heavy trailer. Any ideas please? any help gratefully recieved.

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    doug2783's Avatar
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    Unfortunately they are not a very powerfull engine about 75bhp if i remeber rightly!! Try and find yourself a 1.8 spi throttle body off a cavalier as it is larger and can help with pick up, i took my head off my mk4 x16szr ( 1.6 spi) and there is quite alot of excess that you can grind out with a dremmel etc to make the ports match up to the gaskets which will make it rev alot smoother but apart from that your fairly limited!!

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    sar4lem's Avatar
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    Check timing and belt tension?! Its a possiblity. ;o)
    "Its easier to get forgiveness than permission!"

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