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I recently competed in the FL. region ECR enduro. As you know the race format is 1.5 hours with a mandatory 5 minute pit stop. At the last race my fuel window was between 1 hour 5 minutes to 1 hour...

With the success of the new Renesis 13B engine and the RX-8, could we see a new 3 or 4 rotor engine in a Daytona Prototype in the Grand-Am Rolex series in the future. There has been some speculation...

What happened to speedsource? Those guys used to be at the track every weekend? Did they completly drop their club racing program to pursue Grand-am??

OK. I have looked at the rule book some and from what I understand, you cannot use aftermarket parts in an engine. However, the RX-8 rotor IS a 13B production part. It is not aftermarket in anyway....

I am not pointing fingers at anyone. It just seems that since the production of the RX-8, which also carries the title of 13B, and the rotors fit the housings of a second gen RX-7, some ITS cars are...

There is alot of speculation that some of the fellow ITS competitors are now running the new Renesis RX-8 rotors in their 13B RX-7 engines. This would cause much greater compresion . Does anyone...

There is alot of speculation that some of the fellow ITS competitors are now running the new Renesis RX-8 rotors in their 13B RX-7 engines. This would cause much greater compresion . Does anyone...

I work for Bell Motorsports (the overall winner of DP) The reason the race was red flagged was because all of the tire manufactures ran out of rain tires for the competitors. Goodyear, Dunlop, and...

I work for Bell Motorsports (the overall winner of DP) The reason the race was red flagged was because all of the tire manufactures ran out of rain tires for the competitors. Goodyear, Dunlop, and...

I work for Bell Motorsports (the overall winner of DP) The reason the race was red flagged was because all of the tire manufactures ran out of rain tires for the competitors. Goodyear, Dunlop, and...