no it was pre-headers etc... My concern is running it too lean with the additions. I contacted them with my concerns, they told me to ship the motor and ecu to them, didn't offer any other information. I have run 2 events and the plugs look great, I am looking forward to doing some dyno testing.
s13 - blueprinting basically machines the engine components to the limit of their specs. It "frees up" the motor a bit, not much, but noticable. It is normally done by showroom stock racers because the machining is still within factory specs, therefore "legal", and it is stupid expensive for the gain you get. the motors were like 5-6 grand each!
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