Quote:
Originally Posted by Dr Speed
I was going to reference some of the EJ25 builds that average about 210rwhp on full N/A builds, bored, oversized pistons, cams, ported heads, headers etc.
Engine/Power Modifications:
EJ251 bored over 100mm
Wiseco 12:1 pistons/rings
EJ257 crank/rods/oil pump
ACL RACE series bearings, std clearances.
EJ251 SOHC heads, ported by owner, stock valve sizes
Delta 3000 grind cams
EJ253 (AVLS) valve springs
06 2.5i intake manifold (big plenum/big runner)
70mm Ford throttlebody
440cc injectors
LinkPlus G1 standalone engine management
TWE prototype longtube header
2.5" aluminum non catted exhaust
2.5" DNA spiralflow muffler
^^^ All this got the owner 204 rwhp on a built 2.5L
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The FA20 does not = EJxxx. The combustion camber design is much better and it has DI those alone are very significant and something the aftermarket cant really help.
Id bet money the OP hits 250whp+ especially on e85.