Quote:
Originally Posted by Rogue_Wulff
The 9.2CR would give better power off-boost, but would be a limiting factor in how much boost and timing you could run.
The S4 rotors have lower CR, but they also have 2mm apex seals.
In my opinion, stick with the early rotating assembly. For towing/hauling, you're not gonna be looking for peak power/boost on the top end, but rather a decent improvement in the mid-range, which is where the engine will be running ~90% of the time.
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Great ideas and right on track.... but with him running the 5 inch charger and a -10 pulley his max boost should only be in the 10-12lbs range and it (blower) will start to cavitate( read stop boosting) about 9k rpm so with the setup he is using the turbo rotors really don't make any sense, he does have the option of going to a -11 pulley for more boost but then the blower will cavitate much quicker like down in the late 6-7k range. Also the -11 is special order item not recommended in most cases by camden/atkins. I did use one for a little while but lost so much Rpm range it wasn't worth the power increase.
I only like using the turbo rotors if you are using the bigger blower but then you really need to be in a racing application to get the max benefit.