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Thread: Y20DTH 2.0 DTI 2004 Vectra - Increase BHP?

  1. #1
    Regular Member Leviathan's Avatar
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    confused Y20DTH 2.0 DTI 2004 Vectra - Increase BHP?

    Hi,

    My questions are, to anyone that can answer please:

    Am I correct in thinking I only have 78bhp curently? and...

    Can this be increased?

    Any pros and cons welcome too.

    Many thanks in advance.
    Cheers

  2. #2
    Regular Member markm's Avatar
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    If its the same as the Astra 2.0DTI , the missus had one a few years back , 100bhp, and has a VP44 fuel pump,

    ECU/FUEL PUMP comdination, very hard to tune other that with a wire in tuning unit, take it to about 125bhp but you have to turn the power down in cold weather due to over fueling,

    I'm sure someone else will be along soon with other options,

  3. #3
    Regular Member beefycol's Avatar
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    if you want more power i recomend selling your car and getting another vectra with a better engine

  4. #4
    Regular Member Gsi3.2's Avatar
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    As mark said they can be tuned...BUT they don't respond well to power hikes..the fuel pump can fail when fitted with a tuning box as they can't take the strain...

    to be honest.. the 2.0DTi isn't really a 'tuneable' car with reliable results....

  5. #5
    Regular Member Leviathan's Avatar
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    Thanks all, suspected as much...not worth the hassle by the sounds of it. I had thought it would be at least 110bhp as standard - didnt research enough before buying it.

    Cheers

  6. #6
    Administrator Big-Pete's Avatar
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    Vehicle : Audi Q7

    Trim : S-Line Plus 245

    Engine : 3.0 TDV6

    Year : 2013

    Mileage : 3023

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    Found this list on EDS website.. Might be of some use to someone, Prices will need checking though..


    http://www.eds-motorsport.de/gb/Opeldieseltuning.htm

    OPEL ASTRA-H 1.7CDTI
    engine type Z17DTH
    Price 749EUR

    SERIES: 74 KW / 100 PS 240 Nm at 1900 U/min VMax:188 km/h
    TUNING: 89 KW / 121 PS 320 Nm at 1900 U/min VMax:198 km/h
    OPTIMIZED: +15 KW / +21 PS +80 Nm +10 km/h

    --------------------------------------------------------------------------------

    OPEL ASTRA-H 1.9CDTI
    engine type Z19DTH
    Price 500EUR to 1.8.05

    SERIES: 110KW / 150PS 315 Nm at 2000 U/min VMax:207 km/h
    TUNING: 132KW / 180PS 405 Nm at 2000 U/min VMax:217 km/h
    OPTIMIZED: +22KW / +30PS +90 Nm +10 km/h

    --------------------------------------------------------------------------------

    OPEL ASTRA-G 2.0DTI ab 2003
    engine type Y20DTH
    Price 749EUR

    SERIES: 74 KW / 100 PS 230 Nm at 1900 U/min VMax:170 km/h
    TUNING: 87 KW / 118 PS 275 Nm at 1900 U/min VMax:179 km/h
    OPTIMIZED: +13 KW / +18 PS +45 Nm +10 km/h

    --------------------------------------------------------------------------------

    OPEL ASTRA-G 2.2DTI
    engine type Y22DTH
    Price 749EUR

    SERIES: 92 KW / 125 PS 280 Nm at 1900 U/min VMax: 206km/h
    TUNING: 109 KW / 148 PS 385 Nm at 1900 U/min VMax: 214km/h
    OPTIMIZED: +17 KW / +23 PS +105 Nm +8 km/h

    --------------------------------------------------------------------------------

    OPEL AGILA-G 1.3CDTI
    engine type T13DTH
    Price 749EUR

    SERIES: 51 KW / 70 PS 170 Nm at 1750 U/min VMax:165 km/h
    TUNING: 62 KW / 85 PS 220 Nm at 1750 U/min VMax:172 km/h
    OPTIMIZED: +11 KW / +15 PS +50 Nm +7 km/h

    --------------------------------------------------------------------------------

    OPEL CORSA-C 1.7CDTI
    engine type Z17DTH
    Price 749EUR

    SERIES: 74 KW / 100 PS 240 Nm at 1900 U/min VMax:190 km/h
    TUNING: 89 KW / 121 PS 320 Nm at 1900 U/min VMax:198 km/h
    OPTIMIZED: +15 KW / +21 PS +80 Nm +8 km/h

    --------------------------------------------------------------------------------

    OPEL MERIVA 1.7CDTI
    engine type Z17DTH
    Price 749EUR

    SERIES: 74 KW / 100 PS 240 Nm at 1900 U/min VMax:188 km/h
    TUNING: 89 KW / 121 PS 320 Nm at 1900 U/min VMax:198 km/h
    OPTIMIZED: +15 KW / +21 PS +80 Nm +10 km/h

    --------------------------------------------------------------------------------

    OPEL VECTRA-C GTS / CARAVAN 1.9CDTI
    engine type Z19DTH
    Price 500EUR to 1.8.05

    SERIES: 110 KW / 150 PS 315 Nm at 2000 U/min VMax:209 km/h
    TUNING: 132 KW / 180 PS 405 Nm at 2000 U/min VMax:219 km/h
    OPTIMIZED: +22 KW / +30 PS +90 Nm +10 km/h

    --------------------------------------------------------------------------------

    OPEL VECTRA-C 2.2DTI / CARAVAN
    engine type Y22DTR
    Price 749EUR

    SERIES: 92 KW / 125 PS 280 Nm at 1900 U/min VMax:206 km/h
    TUNING: 109 KW / 148 PS 385 Nm at 1900 U/min VMax:214 km/h
    OPTIMIZED: +17 KW / +23 PS +105 Nm +8 km/h

    --------------------------------------------------------------------------------

    OPEL VECTRA-C 3.0CDTI / CARAVAN
    engine type Y30DT
    Price 899EUR

    SERIES: 130 KW / 177 PS 370 Nm at 1900 U/min VMax:226 km/h
    TUNING: 156 KW / 212 PS 430 Nm at 1900 U/min VMax:236 km/h
    OPTIMIZED: +26 KW / +35 PS +60 Nm +10 km/h

    --------------------------------------------------------------------------------

    OPEL SIGNUM 1.9CDTI
    engine type Z19DTH
    Price 500EUR to 1.8.05

    SERIES: 110 KW / 150 PS 315 Nm at 2000 U/min VMax:209 km/h
    TUNING: 132 KW / 180 PS 405 Nm at 2000 U/min VMax:219 km/h
    OPTIMIZED: +22 KW / +30 PS +90 Nm +10 km/h

    --------------------------------------------------------------------------------

    OPEL SIGNUM 2.2DTI
    engine type Y22DTR
    Price 749EUR

    SERIES: 92 KW / 125 PS 280 Nm at 1900 U/min VMax:205 km/h
    TUNING: 109 KW / 148 PS 385 Nm at 1900 U/min VMax:215 km/h
    OPTIMIZED: +17 KW / +23 PS +105 Nm +10 km/h

    --------------------------------------------------------------------------------

    OPEL SIGNUM 3.0CDTI
    engine type Y30DT
    Price 899EUR

    SERIES: 130 KW / 177 PS 370 Nm at 1900 U/min VMax:226 km/h
    TUNING: 156 KW / 212 PS 430 Nm at 1900 U/min VMax:236 km/h
    OPTIMIZED: +26 KW / +35 PS +60 Nm +10 km/h

    --------------------------------------------------------------------------------

    OPEL ZAFIRA 2.0DTI ab 2003
    engine type Y20DTH
    Price 749EUR

    SERIES: 74 KW / 100 PS 230Nm at 1900 U/min VMax:170 km/h
    TUNING: 87 KW / 118 PS 275Nm at 1900 U/min VMax:179 km/h
    OPTIMIZED: +13 KW / +18 PS +45 Nm +10 km/h

    --------------------------------------------------------------------------------

    OPEL ZAFIRA 2.2DTI
    engine type Y22DTR
    Price 749EUR

    SERIES: 92 KW / 125 PS 280 Nm at 1900 U/min VMax:179 km/h
    TUNING: 109 KW / 148 PS 385 Nm at 1900 U/min VMax:189 km/h
    OPTIMIZED: +17 KW / +23 PS +105 Nm +10 km/h

    --------------------------------------------------------------------------------

    OPEL FRONTERA 2.2DTI
    engine type Y22DTR
    Price 749EUR

    SERIES: 92 KW / 125 PS 280 Nm at 1900 U/min VMax:164 km/h
    TUNING: 109 KW / 148 PS 385 Nm at 1900 U/min VMax:169 km/h
    OPTIMIZED: +17 KW / +23 PS +105 Nm +5 km/h

    --------------------------------------------------------------------------------

    OPEL MOVANO 1.9DTI
    engine type F9Q-772
    Price 749EUR

    SERIES: 59 KW / 80 PS 200 Nm at 1850 U/min VMax:152 km/h
    TUNING: 71 KW / 97 PS 230 Nm at 1850 U/min VMax:159 km/h
    OPTIMIZED: +12 KW / +17 PS +30 Nm +7 km/h

    --------------------------------------------------------------------------------

    OPEL MOVANO 2.5DTI
    engine type G9U-A7
    Price 749EUR

    SERIES: 84 KW / 114 PS 290 Nm at 1950 U/min VMax:162 km/h
    TUNING: 100 KW / 136 PS 330 Nm at 1950 U/min VMax:168 km/h
    OPTIMIZED: +12 KW / +17 PS +40 Nm +6 km/h

  7. #7
    Administrator Big-Pete's Avatar
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    Vehicle : Audi Q7

    Trim : S-Line Plus 245

    Engine : 3.0 TDV6

    Year : 2013

    Mileage : 3023

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    And this on Celtic Tunings website..
    http://www.celtictuning.co.uk/vehicl...ne-tuning.html

    Engine Existing Power
    (bhp) Existing Torque (lbft) Remapped Power (bhp) Remapped Torque
    (lbft)

    2.0 DTi 16v * 98 169 140 242

    --------------------------------------------------------------------------------

    2.2 DTi 16v * 123 199 163 264

    --------------------------------------------------------------------------------

    1.9 CDTi 120 (8v) 206 180 309
    120 (16v) 206 180 309
    150 (16v) 232 205 317

    --------------------------------------------------------------------------------

    3.0 V6 CDTi 174 273 220 345

    * This model can not be remapped after 52 plate due to having a hybrid ecu

  8. #8
    Regular Member Leviathan's Avatar
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    140bhp sounds much better, I read somewhere on here that there is a risk of fuel pump failure if you tune these engines - anyone know more please?

  9. #9
    Regular Member markm's Avatar
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    IIRC the ECU is built in to the fuel pump, hence the Hybrid system , and they tend to be weaker than the high pressure pumps on the CDTI,

    All I can say , I had a tuning unit fitting the a 2.0DTI and it never failed, in the summer (warm) months it was fine a good power increase, in the colder months I had to turn down down the unit to about 10 over standard as the engine used to , ,,,, well chuff big black clouds of soot out and it used to fly off up the road at a great rate of notts due to over fuelling ,

    needless to say the misses didn't like it, if you can a remap is the best way to go but it depends of the ECU

    HTH

  10. #10
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    Had a remap done by regal on my 03 2.0DTI vectra elite. Only a week in but it all seems good. Regal also assured me that there are all the necessary features built in. with no extra power available if the radiator water is under 60 or over 110, nor if the outside air temp is over 85. IF any of these factors kick in, it keeps the power as it was before the upgrade tostop the ecu blowing uo But lets wait and see!!!!!!

    torque is much improved as is the drive tho if i put too much throttle in there is abit of vibration (cant be wheel spin at 2000rpm) but with a steady squeeze the power improvement is fab.
    Ill update this once I know how it settles in.

    they reckon it isnow 130bhp and 280nm of torque (205 lbft in old money)

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