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Old Dec 28, 2023 | 11:11 AM
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Default Engine Tuning P400
Has anyone tuned the P400 Defender engine?

Seen some kits out there talking about 500hp, but not seen anyone who had done it yet
 
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Old Dec 28, 2023 | 01:15 PM
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Swap the P400 for a P525. Best tuning ever.😉
 
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Old Dec 28, 2023 | 06:18 PM
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Originally Posted by lrFFM
Swap the P400 for a P525. Best tuning ever.😉
ahhahahahaaahahhhaahahahhahahah
yaaaaassssss
 
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Old Dec 29, 2023 | 06:33 AM
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lf it's a turbocharged petrol motor it should be possible to increase the power by around 20% with a straightforward remap.

These are being offered now in the U.K. so l am sure someone in the USA will be offering it.
 
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Old Dec 29, 2023 | 09:06 AM
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Originally Posted by lightning
lf it's a turbocharged petrol motor it should be possible to increase the power by around 20% with a straightforward remap.

These are being offered now in the U.K. so l am sure someone in the USA will be offering it.
What outfits int he UK are doing it? I'd love to look into it more.
 
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Old Dec 29, 2023 | 12:58 PM
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In Germany, Manhart does an engine tuning for the P400. It has very good reviews.
the result is over 500 hp.
 
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Old Dec 29, 2023 | 02:55 PM
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Originally Posted by lrFFM
In Germany, Manhart does an engine tuning for the P400. It has very good reviews.
the result is over 500 hp.
Manhart website: "ECU remapping and tuning for your Land Rover Defender 110 HSE to 512 HP and 710 Nm torque. Only available for vehicles built before 07/2020."

booo.
 
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Old Dec 29, 2023 | 07:53 PM
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Hmm…I wonder what the reliability is on doing this…me likey more power.
 
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Old Dec 30, 2023 | 09:31 AM
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Originally Posted by lrFFM
In Germany, Manhart does an engine tuning for the P400. It has very good reviews.
the result is over 500 hp.
That was the one I was thinking about, but I haven't seem any reviews on it at all.

Where have you see the reviews pls?
 
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Old Dec 30, 2023 | 09:32 AM
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Originally Posted by starbai
Manhart website: "ECU remapping and tuning for your Land Rover Defender 110 HSE to 512 HP and 710 Nm torque. Only available for vehicles built before 07/2020."

booo.
That's weird very few if any vehicles would have been built before that date...
 
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