The Most Complete Dyno Testing of Lexus RCF

It has been over five years since we first tuned and supercharged the Lexus RCF, and we are very grateful for all the support we received from the Lexus RCF community over the years!  This month PPE shipped us prototype of their catted racing headers for Lexus RCF (using 400 cel GESI EPA cats) for our testing and development. We decided to use this opportunity to perform the most transparent and thorough testing of RCF mods. This was especially revealing given the recent trend with some tuners who have released grandiose claims (of up 20-30 hp gains!) by playing tricks with Dyno testing, showing unrealistically low baseline dyno results, and in general advertising dyno results with very little clarity or transparency in what was done.

If you are interested in understanding true RCF performance, you will read carefully this article.

Continue reading “The Most Complete Dyno Testing of Lexus RCF”

RR Racing Releasing Stage II Tune for Their RR490 Supercharger Kit for Lexus 3XX AWD

We promised last year to release stage 2 tuning for our 3XX supercharger kit for Lexus IS300/350, RC300/350 and GS350 models and we now delivered for the AWD vehicles!

IS350 2014+ AWD Supercharger Kit Dyno Chart

Continue reading “RR Racing Releasing Stage II Tune for Their RR490 Supercharger Kit for Lexus 3XX AWD”

Supercharger Testing at the Auto Club Speedway in Fontana

The first event of RR Racing’s¬†Southern California trip was at the Fontana raceway.¬† Another opportunity to test our supercharged IS-F at a very versatile track that has both the fast ovals and challenging road course curves.

Continue reading “Supercharger Testing at the Auto Club Speedway in Fontana”