Ok now for some real fun, over the weekend ill be fitting a Sportwerks .26 V2 PS SG engine in the frame of a rs4 3 with 2 speed tranny and all..yes this is way past overkill i know..but it will be fun to say i did..here are engine specs.

Specs
Displacement: .26 cu in (4.26cc)
Bore: .71in (18mm)
Stroke: .66in (16.8mm)
Engine (Only) Weight: 16.2oz (453g)
RPM Range: 34,000
HP: 2.75 @ 20% nitro (will be running on 40%)