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Thread: How-To: Isuzu Diesel Tuning

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    Rob
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    How-To: Isuzu Diesel Tuning

    Rather than retype and add pics, ive found the 2 links i use:

    http://www.pngclub.com/forum/showthread.php?t=84830

    http://www.corsasport.co.uk/board/vi....php?tid=35931

    feel free to ask any questions.
    enjoy.

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    Would some of these methods be adapted for my 1.7 DTi? I think it is similar to the TD but with an intercooler and couple more parts

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    Diesel lover Hardcore's Avatar
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    Nope. The older diesels had no ECU so the pump and boost had to be adjusted manually. If you tried it on yours the ECU would freak out. Engines are worlds apart sadly.
    Rob likes this.

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    Damn it. Was looking for a cheaper option to a remap, but guess the remap is the better option! Cheers
    [CENTER]Understeer: when you hit the wall with the front of the car.
    Oversteer: when you hit the wall with the back of the car.
    Horsepower: how fast you hit the wall.
    Torque: how far you take the wall with you.[/CENTER]

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    Was looking at getting one of the 1.5's but not sure if they are any good? And what sort of power have people had?. Was maybe thinking of getting one as a project/ daily runner

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    Diesel lover Hardcore's Avatar
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    I had one for about 3 years. If you get a good one and keep it serviced they're bulletproof.
    66Bhp standard and all mines had was a K&N panel filter in a modded air box and a stainless steel exhaust with cat and middle silencer removed. Made 77bhp on the dyno with 170,000+ miles on it

    They make about 90-95bhp with a few simple mods (increased fueling and boost) and with the extra torque can show up the Sports and GSI's
    A healthy one with an intercooler added with good exhaust and higher boost will make around 105bhp


    Got about 60mpg if driving like a granny but it was heavyish on the fuel if you had a heavy foot.
    Alternator is famous for failing on them and gearboxes are pretty weak as well when you go for more power. Turbo is quite laggy when standard. Apart from that, pretty good though

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    'LS' Member
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    i see, would you say to get one? and is there any upgrades to the alternator or gearboxes for better ones?.

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    Diesel lover Hardcore's Avatar
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    I think the gearbox would be ok as long as you don't pull wheelspins or do hard gear changes and launches.
    You can fit a stronger gearbox from the 1.7td cavvy, vectra b and some Astras but you need to swap the inner CV's, flywheel, starter motor and use a different gearbox mount.

    Alternator failed on mines but i got a part exchange supplied and fitted for 100 and it was fine for the 2 years i had it afterwards.

    Try driving one first before you buy one. They're not for everyone.

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    yeah sounds ok, ill maybe get one in a few months then, and start a little project, thanks for your help

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    So.... I finally got my 1.5td done boost and fueling and cone filter.. also the white ring mod.. was wondering if anyone knew where I can get a decat from.. or can I use my 1.6 decat pipe and use a flexi connector? Many thanks...

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    Diesel lover Hardcore's Avatar
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    It would benefit more from a slightly wider pipe rather than just removing the cat.
    I'm sure the early Corsa 1.5TD had no cat, so you could just buy the pipe that goes where the cat normally does on an older one and use that.
    Not sure if the 1.6 decat would work, but worth a try.

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