OVERBOOST on a Turbo Diesel--EXPLAIN please
01-01-2006, 09:44 AM
#1
Chasing Radders
Thread Starter
OVERBOOST on a Turbo Diesel--EXPLAIN please
Just reading up on some reviews of the Mondeo ST TDCi 2.2 that i have bought and came across this
"As always with a diesel, it's the torque rather than the power output which really matters, and the latest TDCi engine has plenty of it on tap. In normal circumstances you get 265lb/ft in a quite narrow band from 1800 to 2250rpm, and that's pretty good. But this is one of those "overboost" jobs, and when you really floor the throttle the maximum rises to a short-term 294lb/ft. No wonder overtaking can be a very swift in-and-out job indeed."
What do they mean by the overboost bit?????
"As always with a diesel, it's the torque rather than the power output which really matters, and the latest TDCi engine has plenty of it on tap. In normal circumstances you get 265lb/ft in a quite narrow band from 1800 to 2250rpm, and that's pretty good. But this is one of those "overboost" jobs, and when you really floor the throttle the maximum rises to a short-term 294lb/ft. No wonder overtaking can be a very swift in-and-out job indeed."
What do they mean by the overboost bit?????
01-01-2006, 10:00 AM
#3
Chasing Radders
Thread Starter
Just found this
The ST TDCi is powered by a 2.2-litre Duratorq diesel engine, based on the extremely popular 2.0-litre unit that's already found in the Mondeo. The increase in capacity sees power rated at 152bhp with 265lb ft of torque, although this rises to 295lb ft on overboost from a low 1,800rpm.
Overboosting allows the turbocharger to spin faster, thereby increasing pressure to give a short burst of extra power. You'll notice it when flooring the throttle from standstill or overtaking, and performance is strong, the 0-62mph sprint covered in 8.7 seconds.
So basically it is like when a Cossie has a Boost Spike then tails off to held boost
The ST TDCi is powered by a 2.2-litre Duratorq diesel engine, based on the extremely popular 2.0-litre unit that's already found in the Mondeo. The increase in capacity sees power rated at 152bhp with 265lb ft of torque, although this rises to 295lb ft on overboost from a low 1,800rpm.
Overboosting allows the turbocharger to spin faster, thereby increasing pressure to give a short burst of extra power. You'll notice it when flooring the throttle from standstill or overtaking, and performance is strong, the 0-62mph sprint covered in 8.7 seconds.
So basically it is like when a Cossie has a Boost Spike then tails off to held boost
01-01-2006, 10:07 AM
#5
Football Cwazy
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Originally Posted by TIFF-C20WTH
So basically it is like when a Cossie has a Boost Spike then tails off to held boost
they have so much low down pull these modern td's don't they
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01-01-2006, 10:11 AM
#8
Chasing Radders
Thread Starter
Originally Posted by Freddy_mercury_magic
So you've answered your question? Because you kept reading?
So now your wasting Pet's bandwith
Sorry im bored
So now your wasting Pet's bandwith
Sorry im bored
I can always remove you from Pets Database....that will free up FUCKING LOADS of space
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