Original chart compiled by Marco Pinto, March, 2007.
Here’s a PDF version of this table, which you can save or print.
Engine Model |
Displacement
|
Bore
|
Stroke
|
Power Output
|
RPM Range |
Weight
|
Power/Weight
|
IRVINE |
|||||||
25ABC MK II |
.25 (4.08) |
.65 (17.75) |
.488 (16.5) |
0.9 |
3000-20000 |
12.14? |
|
39ABC |
.36 (5.94) |
.835 (21.2) |
.709 (18) |
1.3 |
3000-17000 |
13.0? |
|
40ABC MK III |
.40 |
.807 |
.768 |
1.2 |
2800-17000 |
18.1[13.9] |
|
46ABC MK III |
.46 |
.874 |
.768 |
1.4 |
28000-17000 |
18.0[13.8] |
|
53ABC |
.53 |
.906 |
.807 |
1.7 |
2800-17000 |
18.2[14.0] |
|
54ABC LTD |
|||||||
61ABC MKIII |
.61 |
.945 |
.866 |
1.7 |
2800-16000 |
24.0[17.4] |
|
72ABC MK II |
|||||||
150 MKII Ring |
1.5 (24.59) |
1.299 (33) |
1.134 (28.75) |
2.55 |
1700-1200 |
[36.79] |
|
MAGNUM |
|||||||
XL 15A |
|
(15) |
(14) |
|
3000-18000 |
[5.8] |
|
XL 25A MK2 |
|
(18) |
(16) |
|
1200-12500 |
[10.5] |
|
XL 32A MK2 |
|
(19) |
(23) |
|
2200-13000 |
[11.6] |
|
GPA 40A |
|
(20.66) |
(19.28) |
|
2200-13000 |
[14.9] |
|
XL 46A MK2 |
|
(22.25) |
(19.28) |
|
2000-12800 |
[14.7] |
|
XL 53A MK2 |
|
(23.7) |
(19.28) |
|
2000-12800 |
[14.9] |
|
XL 61A MK2 |
|
(24) |
(22) |
|
2000-12000 |
[21.5] |
|
XL 91A |
|
(27.5) |
(26) |
|
2000-12000 |
[23.7] |
|
XL 120AR |
|
(28.5) |
(29) |
|
1800-9000 |
[30.1] |
|
XL 180A |
|
(35) |
(30) |
|
1800-10000 |
[55] |
|
OS ENGINES |
|||||||
OS .15 LA-S |
0.152(2.49) |
0.598(15.2) |
0.539(13.7) |
0.41@17000 |
2500-18000 |
4.56 |
|
OS .15 CV-A |
0.152(2.49) |
0.598(15.2) |
0.539(13.7) |
0.5 @18000 |
2500-19000 |
5.99 |
|
OS .25 LA-S |
0.249(4.07) |
0.709(18) |
0.63(16) |
0.6@15000 |
2000-16000 |
6.54 |
|
OS .25 FX |
0.249 |
0.710 |
0.630 |
0.84@18000 |
2500-19000 |
8.8 |
1.52 |
OS .32 SX |
0.319(5.2) |
0.77(19.6) |
0.69(17.5) |
1.2@18000 |
2000-22000 |
9.5 |
|
OS .40 LA-S |
0.396(6.49) |
0.834(21.2) |
0.724(18.4) |
1.0@15000 |
2000-16000 |
9.43 |
|
OS .40 FX |
0.395 |
0.810 |
0.770 |
1.36 @ 16000 |
2,000-17,000 |
[13.6 oz] |
|
OS .40 LA-S |
0.467(7.64) |
0.906(23) |
0.724(18.4) |
1.2@15000 |
2000-16000 |
9.29 |
|
OS .46 AX |
0.455 (7.5) |
0.866(22) |
0.772 (19.6) |
1.65 @ 16000 |
2,000-17,000 |
17.2 |
1.53 |
OS .46 VX-DF |
0.455(7.45) |
0.866(22) |
0.772(19.6) |
2.5@23000 |
2500-28000 |
16.6 |
|
OS .50 SX |
0.499(8.17) |
0.866(22) |
0.847(21.5) |
1.8 @17000 |
2000-20000 |
13.8 |
|
OS .55 AX |
0.545(9) |
0.91(23) |
0.85(21.5) |
|
|
14.3 |
|
OS .61 FX |
0.607 |
0.945 |
0.866 |
1.90 @16000 |
2000-17000 |
19.4 |
1.56 |
OS .91 FX |
0.912 |
1.090 |
0.976 |
2.8 @15000 |
2000-16000 |
19.3 |
2.32 |
OS 1.08 |
|||||||
OS 1.40 |
1.404(23) |
1.26(32) |
1.126(28.6) |
3.5@9000 |
|
29.3 |
|
OS 1.20 AX |
1.20 |
1.197 |
1.083 |
3.1 @9000 |
1800-9500 |
21? |
|
OS 1.60 FX |
1.60(26) |
1.32(33.6) |
1.16(29.6) |
3.7 @9000 |
1800-10000 |
32.6 |
1.81 |
SUPERTIGER |
|||||||
G-34 |
0.34(5.5) |
0.787(20) |
0.669(17.5) |
0.98 @ 16500 |
2500-17000 |
12.8[9.65] |
|
GS-40 Ring |
0.39(6.46) |
0.846(21.5) |
0.701(17.8) |
1.15 @15500 |
3000-17000 |
19.1[13.1] |
|
GS-45 ABC |
0.46(7.5) |
0.860(21.85) |
0.787(20) |
1.45 @16000 |
2500-16000 |
18.5[13.2] |
|
G-51 Ring |
0.51(8.3) |
0.905(23) |
0.787(20) |
1.48 @15500 |
2500-15500 |
18.4[12.7] |
|
G-61 Ring |
0.61(9.95) |
0.945(24) |
0.866(22) |
1.75 @16000 |
2500-16500 |
26.8[20] |
|
G-61 ABC |
0.61(9.95) |
0.945(24) |
0.866(22) |
1.75 @16000 |
2500-16500 |
26.7[20] |
|
G-75 Ring |
0.75(12.21) |
1.024(26) |
0.906(23) |
2.18 @15600 |
2500-16000 |
27[20.6] |
|
G-90 Ring |
0.90(14.73) |
1.083(27.5) |
0.976(24.8) |
2.5 @148000 |
2500-16000 |
27[20.7] |
|
G-2300 |
1.418(23.31) |
1.28(32.5) |
1.102(28) |
3.7 @12600 |
|
38[31] |
|
THUNDER TIGER |
|||||||
PRO-36 |
0.365(5.98) |
0.819(20.8) |
0.693(17.6) |
1.1 @16000 |
2000-17000 |
11.06 |
|
PRO-40 |
0.398(6.52) |
0.823(20.9) |
0.748(19) |
1.22 @16000 |
2000-17000 |
16.03 |
|
PRO-46 |
0.456(7.47) |
0.858(21.8) |
0.787(20) |
1.43 @16000 |
2000-17000 |
16.05 |
|
PRO-61 |
0.609(9.98) |
0.925(23.5) |
0.906(23) |
1.85 @15000 |
2000-16000 |
26.75 |
|
PRO-91 |
0.913(14.96) |
1.102(28) |
0.957(24.3) |
2.75 @15000 |
2000-16000 |
19.83 |
|
PRO-120 SE |
1.267(20.76) |
1.22(31) |
1.083(27.5) |
3.2 @15000 |
1800-15000 |
35.5 |
|
PRO-120 RE |
1.267(20.76) |
1.22(31) |
1.083(27.5) |
3.5 @15000 |
1800-15000 |
27.51 |
|
Last revised: 3-10-07