Nate's Honda K motor data page

The goal of this page is to compile as much information about the Honda K motor production as possible, all in one place. Please mail me (nate@the initials of the university in this page's address.edu) with any extra info you can provide. Thanks!

The K Matrix

Provided for direct comparison.

motor	k18?	k20a			k20a2		k20a3		k20z1	k20z3	k24a1	k24a2	k24a4		motor
chassis	FG1 (coupe) FA1 (sedan)	DC5	EP3	DC5	DC5	EP3	DC5	EP3	DC5	FG2	RD6 (2WD) RD7 (4WD)	CL7 (J/EU) CL9 (US)	YH1 (2WD) YH2 (4WD)	??	chassis
market	USDM	JDM	JDM	JDM	USDM	EDM	USDM	USDM	USDM	USDM	USDM	JDM/EDM/USDM	USDM	USDM	market
year(s)	06	01-??	01-??	01-??	01-04	01-05	01-04	02-05	05	06	02-06	04-06	04-06	03-06	year(s)
model	Civic DX/LX/EX	Integra Type-R	Civic Type-R	Integra IS	RSX Type-S	Civic Type-R	RSX	Civic Si	RSX Type-S	Civic Si	CRV	Accord Euro R (J/EU) TSX (US)	Element	Accord	model
horsepower	140 @ 6300	220 @ 8000	215 @ 8000	160 @ ??	200 @ 7800	200 @ 7400	155 @ 6500	160 @ 6500	210 @ 7800	197 @ 7800	160 @ 5900	200 @ 6800	160 @ 5500	166 @ 5800	horsepower
torque	128 @ 4300	152 @ 7000	150 @ 7000	140 @ ??	142 @ 7000	145 @ 5900	139 @ 4000	132 @ 5000	143 @ 7000	139 @ 6200	162 @ 3600	166 @ 4500	161 @ 4500	160 @ 4000	torque
compression	10.5:1	11.5:1	11.5:1	??	11.0:1	11.0:1	9.8:1	9.8:1	11.0:1	11.0:1	9.6:1	10.5:1	9.7:1	9.7:1	compression
redline	6800	8500	8500	??	8100	8300	6800	6800	8100	8000	6500??	7100	6500	6500	redline
lobes	2/1??	3/3	3/3	??	3/3	3/3	2/1	2/1	3/3	3/3??	2/1	3/3	2/1	2/1	lobes
other		helical LSD	helical LSD							helical LSD					other

Notes:

Horsepower and Torque expressed as "Peak @ RPM"
Torque is expressed in foot pounds
Honda rates hp/torque at the motor, not at the wheels
"Lobes" is the number of sets of lobes per cam, intake/exhaust
Values followed by ?? are speculation on my part
Starting with model year 2006, Honda will be using the SAE J1349 horsepower rating standard. This may make comparison between older HP numbers inaccurate. Please note this when viewiing hp ratings for 06+ variants. This info provided thanks to glw @ k-series forum.

Addt'l credits:

glw @ k-series forum for clarification on the FG and FA chassis codes.
taikahn @ k-series forum (see also a number of quality sites run by Tai: CorSportUSA.com) for additional clarification on the FG/FA chassis.
park83rsx @ ClubRSX forum (also PSU LPAC) for clarification on k20a lobes.
i3igpete @ k-series forum for USDM Accord info.
thesniperqvs @ hotmaildotcom for lots of EDM CTR data and JDM CTR/ITR redlines.