This is the new gear set, ready to go in!
Any owner of a 207 THP will tell you that everything is great about the gearbox, but the 5th gear is really short. The 5th gear ratios on both 207 THP150 and THP175 are very short and not useful for good fuel consumption when cruising at the highway. Peugeot and Citroen fixed that problem many
A few years ago we tried and successfully installed a VAG blowoff valve in place of the stock one on the Peugeot 207 GT/GTI/RC 1.6T. Both valves are made by Pierburg. They are electrically compatible but the VAG bov has a better coil and better overall build which allows it to withstand more boost without
“Fuel in the US is really bad compared to Europe and the rest of the world” – is a very untrue statement. Fuel in the United States is as good as anywhere else in the world. What changes is how Americans describe their fuels in terms of quality – octane number. They use a different
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How to remove the downpipe from Peugeot 207 1.6 Turbo Removing the downpipe without removing the whole front of the car is tricky. There is very little space to reach and undo the bolts that secure the heat shields. But it is possible if you are careful. The photos below show how to do it!
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PCV delete modification - block off cap
PCV delete – why do it? One of the most discussed and debated modifications on THP/N14 engines is deleting the rear PCV system. THP200 has this by default, but all smaller THP variants use the PCV system in the plastic cylinder head cover. How the PCV system works All engines with pistons always have a
Dirty/clogged intake valves - Citroen C5
  We can never stress the importance of cleaning the intake valves frequently on THP engines. Even more so, when the car is to be remapped. The engine has to be completely healthy to produce more power, or the problems will come back to hunt you and cause big failures. While the owner had suspected
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Etuners - recommended upgrade stages for the Peugeot 207
These are the recommended upgrade stages for our beloved Peugeot 207. We strongly recommend making sure the engine is in good health before remapping. All the common problems THP engines face need to be addresses and proper maintenance needs to be done. Using a remap on a healthy engine will produce incredible results and lots
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The stock intercooler unit on the Peugeot 207 is very small. All the turbo versions share the same one, ranging from the smallest diesel turbo engines, up to the most powerful in the range – the Peugeot 207 RC / GTi. For reasons of economy of scale, all these cars share the same intercooler/radiator assembly.
Check Engine Light - different types
I remember the horror I felt the first time I saw the Check-Engine Light turn on suddenly, on the instruments cluster of my Citroen. I thought my engine would stop working or explode at any moment and that I should rush to the nearest garage as quickly as possible. Neither was the case. But I

DIY Boost leak tester – Version 1

Every turbo car has leaks at some point in its life. To fix them you have to find them first! Sooner or later one of the following things will happen: a hose could start leaking a boost pipe could be dented and leaking a hose clamps may be loose and could need tightening the intake
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