I see the R8 turbo kits from sheepy and AMS go up to "1200-1300hp" at upwards of 16psi. I put the horsepower figures in quotes as each dyno is different and its self-serving for the tuners to inflate their numbers. But I think the boost PSI they quote is a reliable target.
The off-the-shelf R8 superchargers kits are all around 800hp as my understanding is this is reaching the stock fueling limit of the Gen2. The turbo tuners have all surpassed this hurdle and AMS even offers their E85 fuel system for sale ala carte on their website.
I don't have a very reliable estimate of how much power the supercharger is using but say its 100hp this means at ~16psi with the correct fueling and upgraded clutches to handle the torque a supercharged vehicle could potentially make 1100 - 1200hp.
I believe the TVS2300 blower utilized in the VF Engineering supercharger kit is close to maxed out at the kit rated 800hp, as VF prudently sized the supercharger to align with the limit of the stock fueling system as why add unnecessary weight with too large a supercharger. However, I believe the Whipple 2.9 blower used in the new ESS Tuning kit should be good for more power - the question is how much?
Has anyone experimented with a smaller supercharger pulley/E85/custom tune?
For example on my ESS supercharged BMW M3 the highest off the shelf kit from ESS is designed to work with 91 octane at ~6PSI for 625 crank HP but folks have re-tuned with much larger injectors to run E85 at ~10-12 PSI and gotten much more horsepower. The stock clutches on the M3 are able to hold the torque and the OEM fuel pump "kind of" works but its highly recommended to add a Walboro or similar in-line with the stock fuel pump.
The off-the-shelf R8 superchargers kits are all around 800hp as my understanding is this is reaching the stock fueling limit of the Gen2. The turbo tuners have all surpassed this hurdle and AMS even offers their E85 fuel system for sale ala carte on their website.
I don't have a very reliable estimate of how much power the supercharger is using but say its 100hp this means at ~16psi with the correct fueling and upgraded clutches to handle the torque a supercharged vehicle could potentially make 1100 - 1200hp.
I believe the TVS2300 blower utilized in the VF Engineering supercharger kit is close to maxed out at the kit rated 800hp, as VF prudently sized the supercharger to align with the limit of the stock fueling system as why add unnecessary weight with too large a supercharger. However, I believe the Whipple 2.9 blower used in the new ESS Tuning kit should be good for more power - the question is how much?
Has anyone experimented with a smaller supercharger pulley/E85/custom tune?
For example on my ESS supercharged BMW M3 the highest off the shelf kit from ESS is designed to work with 91 octane at ~6PSI for 625 crank HP but folks have re-tuned with much larger injectors to run E85 at ~10-12 PSI and gotten much more horsepower. The stock clutches on the M3 are able to hold the torque and the OEM fuel pump "kind of" works but its highly recommended to add a Walboro or similar in-line with the stock fuel pump.
