Wondering if anyone is/plans on running R35 GTR Coil on Plug setup, Thoughts? These are super popular coils with the R32,R33,R34 GTR guys but I haven't heard anything about them on DSM's...Also it says Evo 1-3 & VR4 but they should still work with 1Gs and 2Gs correct...

I'm doing some wiring clean up and was wondering if i can just run a wire from my factory tach to the ecu pin 109 to get the signal without any issues? its a 1GA 90 with a rywire harnessEdit im seeing RPM in link

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Working on my 90 gsx with a rywire engine harness, and stock chassis harness. The issue I’m having is some of my electrical systems work, some don’t. For instance, fuel gauge works along with speedo obviously, but oil press, water temp, boost and rpm do nothing, warning lights come on when the...