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Top Racing HK: Willall Turbos Good for 700ps in Top Racing R35 GT-R

October 20, 2009


The Willall Racing WR35TT twin turbo upgrade package was announced earlier in the year and has been finding it’s way into a few GT-R builds. The premise is simple, take the superb standard combined turbocharger exhaust manifold setup and improve on it.

The improvements specifically consist of a 6mm larger compressor wheels, and 9mm larger turbine. The standard plain bearing core has also been replaced by a complete ball bearing core to prevent any lost in low end response.

One of the biggest concerns for anyone installing bigger turbos is the affect it has on the low end response, by inducing turbo lag. After installing and testing the Willall items however, there appears to be no appreciable effect on the GTR’s low end output at all, seemingly matching the OEM turbo response.

Being the sole distributor for all Willall Racing products in Hong Kong, Top Racing was delighted to be the first to install and test out these set of turbos. The Top Racing GTR demo car was able to produce over 700hps @ 1.4bar boost with supporting modifications including the COBB AccessPort and 800cc Deatschwerks injectors.


The Willall Turbos make strong power with a significant gains throughout the rev range. The fact that this upgrade maintains standard low end response mean they’re great for daily driving while delivering real punch when you want do some hard driving.

Check out Top Racing’s website for some more details linked below…

Link: Top Racing HK Website