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2.0 TDI 170 - torque

Discussion in 'A3/S3/Sportback (8P Chassis)' started by MrWhite, Jan 10, 2007.

  1. MrWhite
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    MrWhite New Member

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    [Jan 10, 2007]
    Apologies if thsi has been posted before but the torque figure for this engine is eaxctly the same as the 140 i.e 236 lbs/ft??? Why is this when the same engine in a Golf, Leon or Octavia has upwards of 250 lbs/ft? Surely not?

    If this is the case then how ould it manifest. I know that torque is turning force but never really understood the relationship between BHP and torque. The quoted 0-60 time on the 170 engine is so much faster than the 140 - this all down to the increase in horsepower then?:shrug:
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  3. southpaw66
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    southpaw66 Member

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    [Jan 10, 2007]
    It's not the same. 258 lbs/ft (350Nm) vs 236 lbs/ft (320Nm). The 170TDI also maintains higher torque for longer
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  4. southpaw66
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    southpaw66 Member

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    [Jan 10, 2007]
    BTW I think;
    torque (lbs/ft) x rpm / 5252 = power (hp)
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  5. MrWhite
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    MrWhite New Member

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    [Jan 10, 2007]
    Oh right thanks. Diesel car are quoting the same figures in the magazine and in the text of the review of the 170. That's good news then as I get mine next week. Some wait that since the 17th September (company car though).
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  6. emzino
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    emzino Active Member

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    [Jan 10, 2007]
    Is there a massive difference in the TDI170 vs the TDI140? So much to say that its actually worth getting the 170 instead?
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  7. Vertigo1
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    Vertigo1 Well-Known Member

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    [Jan 10, 2007]
    Yes the difference is very pronounced. The 140 makes peak torque of 320Nm but it tails off quite a bit as the revs rise so that, by 4000rpm, it's only making about 260Nm. The 170 peaks at 350Nm but sustains it for far longer. The 170 actually exceeds the 140's peak torque of 320Nm for most of the 2000-4000rpm rev range. The engine is much more willing to rev and doesn't get breathless by about 3500rpm as with the 140.
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  8. marriedblonde
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    marriedblonde Moderator

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    [Jan 10, 2007]
    Chances are the figures for the 140 will have been from a test they did. Most of the VAG deisels produce more power than quoted.

    J.
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