68/70Vette

Any comments about these two versions? The RST has organic based clutch facings and the RXT has ceramic. The RST is rated at 800 hp, the RXT at 1000 hp. My concern about buying the RXT for a basically street car is that the RXT is advertised as having a slightly aggressive off-idle clutch lockup feature as compared to the RST. This creates the thought that the RXT might be a little awkward for street use. Any comments? (This time of the year, McLeod is closed).

Is there another twin disk that is also a favorite?

sly vette

How many horsepower are you running and how hard do you intend drive your car?

68/70Vette

The engine hasn't been built yet. I'm targeting 650 HP right now. I know that points to the RST version. As long as I'm going to buy it I'd consider going for the RXT just for the extra capability. I'll probably have 10 inch street tires and make some not too agressive passes at a drag strip. Manual shifting with a Richmond 5 speed.

(The engine so far has not yet been populated with a cam shaft, rods, and pistons. I'm buying things for the 70 gradually over the years. Major things remaining aside from the engine build: a rear end rebuilt for the higher HP, high HP rated aluminum radiator, Hooker sidepipe headers.)
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(about three hours after the above post). Just pulled the trigger on the RST. With a lot of luck, I could get it tomorrow for a New Years weekend project.