HOW MUCH POWER DID OR DIDN'T MY RACINGLINE STAGE 2 MK7 GOLF R MAKE !!

Back in August I finally got round to getting my Stage 2 Mk7 Golf R on the rollers at Surrey Rolling Road. When it was Standard it made 315bhp. At Stage 1 it made 363bhp. I had a Forge Intercooler fitted, a Scorpion Sports Cat and some APR Coil Packs, bought from Awesome GTI. The car already has a Racingline R600 Intake kit with all the pipes, as well as a custom valved Powerflow rear box.

On the rollers it only made 366.9 bhp. So basically 3.6bhp more. I was not happy!!
The torque had gone up from 375ftlbs to 405ftlbs, so not a bad increase there.

After having a new flash from Racingline. The power has gone up to 370.3bhp, so only up another 3.4bhp. The torque has gone up to 420ftlbs. Both BHP and torque are up significantly in the mid range, but still that top end power is being held back.

I have spoken to friends at Tuning Werkes, DH Automotive and Racingline, and the current thinking, is the exhaust may be restricting the flow and that top end power. Paul at Racingline made 390bhp on his car, with the same map. Although my custom backbox is an unknown, I don't think this is a concern. However the standard centre box is still in place. So a RES delete is is the the next thing I will try. Just a question of which one, as I don't want any drone. Maybe a trip up to Racingline for them to have a look themselves.

I am still keen to see what the potential is, of the Racingline Stage 2, and what 1/4 mile and 100 to 200kph my car can run. Only then will I consider changing things up with a bigger turbo.........Watch this space.

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