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Overboost function

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Post Thu Jul 24, 2014 11:44 am
Tomas_90 User avatar

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The THP200 is said to have the overboost function going momentarily from 255 Nm to 275 Nm right.

When does this kick in exactly? Anyone have specifics?

On Wikipedia it says: An overboost function is available which temporarily increases torque to 192 lb-ft (260 N·m) between 1700 rpm and 4500 rpm in gears 3 to 5.

But this is for the THP175 engine in the 207 GTi. Does the same apply to the THP200 also then?
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Post Thu Jul 24, 2014 11:56 am
pete.garratt Senior Member
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If you press the throttle pedal slowly all the way down you will feel an extra bit of resistance very near the bottom. Pushing the pedal past this point takes you into over boost territory.
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Post Thu Jul 24, 2014 11:57 am
pete.garratt Senior Member
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PS I believe this applies to all THP engines.
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Post Thu Jul 24, 2014 12:09 pm
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pete.garratt wrote:
If you press the throttle pedal slowly all the way down you will feel an extra bit of resistance very near the bottom. Pushing the pedal past this point takes you into over boost territory.

I read that was just the cruise control override function. Sure it's for the overboost aswell? :eusa-think:
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Post Thu Jul 24, 2014 12:14 pm
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Tomas_90 wrote:
pete.garratt wrote:
If you press the throttle pedal slowly all the way down you will feel an extra bit of resistance very near the bottom. Pushing the pedal past this point takes you into over boost territory.

I read that was just the cruise control override function. Sure it's for the overboost aswell? :eusa-think:

I believe Pete to be correct, any pressure on any pedal will cancel cruise control.
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Post Thu Jul 24, 2014 12:54 pm
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Yes that of course. But i didn't mean cruise control as such actually, but the speed limiter :lol:
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Post Thu Jul 24, 2014 1:55 pm
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If you put your foot down quite quickly while on the speed limiter, it overrides it until you go u der that speed again. Or at least it did on mine once.

Post Wed May 31, 2017 11:13 am
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Is anyone able to confirm the above? Is the overboost a function on all THP200s? Is it only for gears 3-5? I can't seem to find a definitive answer.

Thanks

Post Wed May 31, 2017 11:01 pm
rcz200it Regular
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All petrol and diesel Peugeot engines have overboost from 3rd gear to top gear , in the specific case of the 200 thp boost goes from 250nm to 275nm with overboost, all official figures of max torque therefore are intended with overboost at correspondant revs stated.

Post Wed May 31, 2017 11:10 pm
rcz200it Regular
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Therefore with accelerator fully depressed the torque goes from 250nm to 275nm constant through a range when depressed from a range of 1700revs till 4500 revs for a limited time which usually goes for a maximum period of 30 seconds approximately.

Post Thu Jun 01, 2017 7:05 am
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Thanks heaps for the confirmation mate. Pity it's not second gear too ;)

Post Thu Jun 01, 2017 7:30 pm
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Can confirm its there..
press pedal hard and theres a switch you can feel click.
on my old car 207 gti they say press then off then press again like a kick down.
could see the over boost on the gauge.

Post Fri Jun 02, 2017 8:47 am
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rcz200it wrote:
All petrol and diesel Peugeot engines have overboost from 3rd gear to top gear , in the specific case of the 200 thp boost goes from 250nm to 275nm with overboost, all official figures of max torque therefore are intended with overboost at correspondant revs stated.


except for the RCZ R. It doesn't have overboost
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Post Fri Jun 02, 2017 10:41 am
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It's already fast enough ;)


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