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Thread: My cat fell off!!!!!!!!

  1. #1
    Regular Member Gsi3.2's Avatar
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    Default My cat fell off!!!!!!!!

    Well, Okay.. it was helped....

    Following on from my chat at Irmscher with the designer of the Z32se and kicking round ideas for a while i decided to get the saw out....

    Found it's much easier than i thought to do.. just drop the front pipes off, mark it all up and hey presto!!



    Add to the mix, a short section of 63mm exhaust pipe, some quality welding and..



    there it was gone....

    First impressions are VERY good...much much better throttle response, a bigger spread of torque and a noticeable increase in torque as well....

    and the BEST bit.....what does it now average??...well, on our round trip all the way round the M25 from junction 20 where we joined, to Bluewater, then on to her mums by Gatwick and a lot of B road driving, then round the southern section by heathrow home again via Jn 20 and the A41 then back on to A and B roads.... go on.. guess......





















    29.9MPG ...and thats worked out manually, not on the trip computer.....and no.. i wasn't driving Miss daisy.....that was my usual driving style....

    It's off or a trip on the emissions tester today to see just how low the emissions are, but it should be absolutley fine....

    ( sorry for the pic quality but good cameras don't survive in my workshop....so it's phone camera)

  2. #2
    Regular Member John C S's Avatar
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    Top Job Mark

    We've all lost sight that when catalytic converters were originally fitted in circa 1990-1991, we did lose a few mpg.

  3. #3
    Regular Member Gsi3.2's Avatar
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    Yep.. but my 'average' before was just over 24MPg if was being good.... or as low as 20MPG combined if i wasn't....

  4. #4
    Regular Member Harry's Avatar
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    excellent work mark, is thumper getting the same treatment?

  5. #5
    Regular Member Gsi3.2's Avatar
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    if the Gsi gets a decent result on the gas tester, then Yes...conversion number two will take place on her's......be rude not to..

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    Cats are worth £30 at the scrappers now too. I've two to go. Should pay for one replacement tyre at least.

  7. #7
    Regular Member Gsi3.2's Avatar
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    LOL.. it's shelved for now.... Just in case it doesn't work out.....

    the price of the conti's on mine i'll need about 4 cats a corner....

  8. #8
    Regular Member glynn's Avatar
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    looks very good mark and sound like you have acheived what you was after

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    Ex-Staff Full Member Ian T's Avatar
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    Very good Mark, another successful experiment from the Vec-C test lab

  10. #10
    Regular Member Gsi3.2's Avatar
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    Quote Originally Posted by glynn View Post
    looks very good mark and sound like you have acheived what you was after
    LOl, Yep....it's even quicker now..

    Quote Originally Posted by Ian T View Post
    Very good Mark, another successful experiment from the Vec-C test lab
    LOL, we're not afraid of cutting the car up here....

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