any documented ported cyl head dyno compares / power gains?
Sep 14, 2007, 10:11 PM
#1
any documented ported cyl head dyno compares / power gains?
i was wondering if there are any dyno numbers floating around out there of a before / after ported cylinder head w/ +1 mm valves...?
any decently modified evo engine will suffice, but for the sake of argument, 30 psi, 35r, 110oct, 2.0L engine + all basic upgrades + ems.....
i see buschur, ams, cosworth & jam offer cylinder head upgrades, but there arent any ~ power gains associated with any type of evo 8/9 engine, from mild to wild on thier websites....
TIA
any decently modified evo engine will suffice, but for the sake of argument, 30 psi, 35r, 110oct, 2.0L engine + all basic upgrades + ems.....
i see buschur, ams, cosworth & jam offer cylinder head upgrades, but there arent any ~ power gains associated with any type of evo 8/9 engine, from mild to wild on thier websites....
TIA
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