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1997 Primera 2.0 SE
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Hello, I'm after some help/guidance I have 1997 2.0 sr20de 130hp and recently have purchased tomei poncam cams for it. I've had a look on their website and it recommends at least gt ecu to run on them cams, is it true ? or will it cope on original ecu until it gets remapped? If I had to change ecu to GT is it a straight swap or do i need to get a new transponder etc.
 

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You should have enough flexibility in the ECU to accommodate; same with power gains from an exhaust, headers, etc. Maximum results would require a tune to pull out all HP gains. I do know that cam's can impact your idle, so be prepared to adjust idle and even timing to support. Mazworx SR20 Cam Timing Tool, Nissan Datascan, and the OE service manual are your friends.
 
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