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ring lands and broken pistons
There was talk about breaking the ring lands. But there are even 2.4L NT motors out there running fine with up to 20psi. Any piston is prone to cracking ring lands, but it seems the trick is to tune moderately with stock NT motors.
After sticking the turbo setup in Rev's car we noticed part throttle knock. Timing was retarded till it went away. The car is fast even at 10psi (according to Rev's boost gauge -- 14b, stock SMIC).
We used a logger to check for fuel problems and it seems even up to 85 mph the stock injectors and fuel pump were keeping up fine. I don't recommend running the 1/4 mile like this though. Definitely getting bigger injectors is the next best move now that he has a SAFC.
Wil
GSX -- 400 all-whp (on 93 octane)
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