for your ECU upgrades speak to Wayne Schofield @ chipwizards
he has a FJ20 silvia that he races so is well up on silvia's! to my knowledge he has done 2 ECU's for silvia turbo's both making good power and torque
i think he is know based in Rochdale and has has his own rolling road
http://www.chipwizards.co.uk/
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