What I managed to collect for some honda engines

Note: Please look at the note for every value as some of them are estimated, some are measured, and some are collected form various places on the WEB.

last modified: 29.08.2005

SOHC Engines:
Engine
D16A6 /D16A7
 (D16Z2 ???)
D15B2
D16Z6 / D16Z7 / D16Z9
D16Y8
Block Specs




Type:
1.6, 16V
1.5, 16V 1.6 16V VTEC
1.6 16V VTEC
# Cylinders
4
4
4
4
# Compression Segments per piston
2 2
2
2
Bore [mm](in){note}
[75](2.953){1,2,3,4,5,8} [75](2.953){1,3,5,8} [75](2.953){1,2,4,8}
[75](2.953){1,2,4,8}
Stroke [mm](in){note} [90](3.543){1,2,3,4,5,8} [84.5](3.327){1,3,5,8} [90](3.543){1,2,4,8}
[90](3.543){1,2,4,8}
Displacement [cc]{note} [1590]{1,2,3,4,5} [1493]{1,3,5} [1590]{1,2}
[1590]{1,2}
Max HP [bhp]{note} [108@6000]{1,3,4} [92@6000]{1,3,5} [125@6600]{1,2,4}
[127@6600]{1,2,4}
Max Torque [N.m](lb.ft){note} [135.6](100)@5000 {1,3,4} [120](89)@4500 {1,3,5} [144](106)@5200{1,4}
[145](107)@5500{1,4}
Compression Ration []{note} [9.1 : 1]{1,3,5} [9.2 : 1] {1,3,5} [9.2 : 1] {1,4}
[9.6 : 1] {1,4}
Rod Length [mm](in){note}
[137](5.394){2,4,8} [134](5.276){8} [137](5.394){2,4,8}
[137](5.394){2,4,8}





Head Specs




Head Chamber Volume [cc]{note}
[38]{4,8}
[38]{8}
[34.6]{4,8}
[32.8]{4,8}
Head Chamber Type
pent-roof
pent-roof pent-roof pent-roof
Intake Valve Diameter [mm](in){note} [29.1](1.146){1,4} [29.1](1.146){1} [30.1](1.185){1,2,4}
[30.1](1.185){1,2,4}
Exhaus Valve Diameter [mm](in){note} [25.1](0.988){1,4} [25.1](0.988){1} [26.1](1.028){1,2,4}
[26.1](1.028){1,2,4}
Intake Port Length in head[mm](in){note}



Intake Port Diamater at head[mm](in){note}
[38](1.496){m}



Exhaust Port Length in head[mm](in){note}




Exhaust Port Diameter at head[mm](in){note}




Intake / Exhaust Specs




Throttle Plate Diameter [mm](in){note} [55](2.165){4,m} [45](1.772){m}
[56](2.165){4}
[56](2.165){4}
Throttle Body CFM Rating []{note}



Intake Plenum Length [mm](in){note}
[240](9.45){m}



Intake Plenum Diameter [mm](in){note}
[57](2.24){m}



Intake Runner Length [mm](in){note}
[250](9.84){m}



Intake Runner Diameter [mm](in){note}
[38](1.496){m}













Camshaft Specs




Advertised Duration In/Ex []{note} [222 / 224]{4,6,7}
[244 / 228]{6} [246 / 230]{12}
Duration @ 0.050" In/Ex []{note} [194 / 196]{4,6,7}
[208 / 192]{6,11} [208 / 191]{12}
Center Line In/Ex [cam deg.]{note}

[221 / 110]{m}
Center Line VTEC [cam deg.]{note} - - [221]{m}
Lobe Separation [deg]{note} [110]{4,6,7}
[111]{c}
Lobe Lift Int. Primary [mm](in){note} [5.189](0.204){c}
[3.769](0.1484){c,10,11}
Lobe Lift Int. Secondary [mm](in){note} -
-
[4.064](0.160){c,10,11}
Lobe Lift Int. Middle/VTEC [mm](in){note} -
-
[5.596](0.2203){c,10,11}
Lobe Lift Exhaust [mm](in){note} [4.917](0.194){c}
[4.989](0.1964){c,10,11}
Gross Intake Valve Lift [mm](in){note}
[8.458](0.333){4,6,7}
[9.754](0.384){6,11} [9.982](0.393){12}
Gross Exhaust Valve Lift [mm](in){note} [9.195](0.362){4,6,7}
[9.398](0.370){6,11} [9.372](0.369){12}
Rocker Arm Ratio: Int_Pri / Ex []{note} [1.63 / 1.87]{7}
[2.588 / 1.884]{c}
Rocker Arm Ratio: Int_Sec/VTEC []{note} -
-
[2.4 / 1.743]{c}

DOHC Engines:
Engine
D16A8 / D16A9 / D16Z5/ ZC
B16A / B16A1
B16A2
Block Specs



Type:
1.6, 16V, DOHC 1.6, 16V, DOHC VTEC
1.6, 16V, DOHC VTEC
# Cylinders
4
4
4
# Compression Segments per piston
2

Bore [mm](in){note}
[75](2.953){3,5} [81](3.189){3,4,5}
[81](3.189){9}
Stroke [mm](in){note} [90](3.543){3,5} [77.4](3.047){3,4,5}
[77.4](3.047){9}
Displacement [cc]{note} [1590]{3,5} [1595]{3,4,5}
[1595]{9}
Max HP [hp]{note} [124 / 130@6800]{3,5,14} 150@????] [160@7600]{9}
Max Torque [](lb.ft){note} [140/144](103/106)@5700{3,5,14}
[151](111)@7000{9}
Compression Ration []{note} [9.5 : 1] {3,5,14} [10.2 : 1]{3,5,13}
[10.4 : 1]{13}
Rod Length [mm](in){note}
like D16A6 guess [134.37](5.290){8}
[134.37](5.290){8}




Head Specs



Head Chamber Volume [cc]{note}



Head Chamber Type pent-roof pent-roof pent-roof
Intake Valve Diameter [mm](in){note}
[33.1](1.303){13,9} [33.1](1.303){13,9}
Exhaus Valve Diameter [mm](in){note}
[28.1](1.106){13,9} [28.1](1.106){13,9}
Intake Port Length in head[mm](in){note}



Intake Port Diamater at head[mm](in){note}



Exhaust Port Length in head[mm](in){note}



Exhaust Port Diameter at head[mm](in){note}



Intake / Exhaust Specs



Throttle Plate Diameter [mm](in){note}


Throttle Body CFM Rating []{note}


Intake Plenum Length [mm](in){note}
[210](8.27){e}


Intake Plenum Diameter [mm](in){note}
[55](2.165){e}


Intake Runner Length [mm](in){note}



Intake Runner Diameter [mm](in){note}











Camshaft Specs



Advertised Duration In/Ex []{note}


Duration @ 0.050" In/Ex []{note}


Duration @ 1mm In/Ex []{note}
[230 / 227]{13} [240 / 227]{13}
Lobe Separation [deg]{note}


Gross Intake Valve Lift [mm](in){note}

[10.6](0.417){13} [10.7](0.421){13}
Gross Exhaust Valve Lift [mm](in){note}
[9.4](0.370){13} [9.4](0.370){13}
Rocker Arm Ratio: Int_Pri/Ex []{note}


Rocker Arm Ratio: Int_Sec/VTEC []{note} -




Notes: top
1 - found on http://www.geocities.com/bing_bong916/enginespecs1.html
[ local copy ]
2 - found on http://www.raceseek.com/honda_specs.htm
[ local copy ]
3 - found on http://www.crxsi.com/specs.htm
[ local copy ]
4 - found on http://www.honda-tech.com/zerothread?id=385741
[ local copy ]
5 - found on http://www.civic4g.com/specs.htm
[ local copy ]
6 - found on http://www.hadamotorsport.com/tech/review/d16camshafts.html
[ local copy ]
7 - found on http://www.honda-tech.com/zerothread?id=427814
[ local copy ]
8 - found on http://www.crower.com/cat/import/honda/pistons_srp.shtml
[ local copy ]
9 - found on http://www.geocities.com/bing_bong916/enginespecs2.html
[ local copy ]
10 - found in 92-95 civic Service Manual

11 - found on http://www.honda-tech.com/zerothread?id=692065&page=2
[ local copy ]
12 - found on http://www.crower.com/cat/import/honda/camshafts.shtml
[ local copy ]
13 - found on http://www.teirney.net/civic/B16AReference.htm
[ local copy ]
14 - found on http://hondacar.free.fr/Range/range_civic%2088-91.htm
[ local copy ]
m - measured

e - estimated

c - calculated