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  1. ECU Tuning & Performance Electronics
    Hi everyone! I'm trying to wrap my head around avcs in an ej25. From scouring forums I have some conflicting information: -at zero intake advance, the valve opens at 5* ATDC -the max advance on the intake cam is 30* of crank rotation -the ej25 is an interference engine, in which the valves...
  2. Built Motor Discussion
    2006 sti Jr basemap Speed density iag 2.5 closed deck Heads bc 272 cams, +1 valves, springs and retainers Id1700 top feed Flex fuel 450 hardwired Fp black, ewg, fp inlet, ets intake Spearco tmic Invidia n1 and invidia bellmouth Killerb pickup and windage tray stock pan 12mm jdm pump I've...
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