been researching in trying to find why the k20a found in the fd2r is more powerful, more torque as well as higher redline then the k20z4 found in the aussie fn2r.
I guess the only thing i can see is the k20a runs at a higher compression then the k20z4 but is that the only difference to make that extra power, i mean it could be a tune too but just wanting to know.
could some one shine some light please and is it possible to have a k20z4 running the same numbers as the k20a and how is it achievable.
thanks
Details
K20A
K20Z4
K20A
Bore is 86 mm & Stroke is 86 mm for all of the K20 engines.
- Found in:
- 2007- Honda Civic Type-R (FD2)
- Displacement: 1998 cc
- Compression: 11.7:1
- Power: 225 bhp (225 PS, 165 kW) @ 8000 rpm
- Torque: 158 ft·lbf (215 N·m) @ 7000 rpm
- Redline: 8600 rpm
K20Z4
This inline-4 cylinder internal combustion engine is found in the redesigned Honda Civic Type-R (FN2). It has an aluminium block with an aluminium head, and a bore and stroke of 86 mm*86 mm, resulting in a 2.0 Liter displacement.
- Found in:
- 2007 Honda Civic Type-R (FN2) (Europe Market)
- Displacement : 1998 cc
- Compression : 11.0:1
- Power: 197 bhp (201 PS, 148 kW) @ 7800 rpm
- Torque: 142 ft·lbf (193 N·m) @ 5600 rpm
- Redline: 8200 rpm
- 16V DOHC I-VTEC changes from low speed cams to high speed cams at 5,400 RPM
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