Originally Posted by tom @ eas
If even remotely thinking about going with the VT2 setups, I would recommend going that direction as a number of items need to be upgraded on the 535 to bring it up to VT2 specs:
Added cooling system
535 systems are good for about 475whp on our dyno, the 600s are putting about ~530whp, keeping control of IATs during heavy use - something to think about if residing in Texas.
Feel free to contact me directly if you should have any questions on the ESS systems and I'll be happy to help.
What are these systems putting down 1/4 mile times? (535, 575 and 600) with testpipe estimated on 6spd and DCT? Sorry OP not trying to thread jack.