Below is a table of various measurements that I found handy.
|
BOP215/Rover & Variants 215 Deck = 227.6mm or 8.96" |
|
Crank Throw + (Throw/2) |
Main Journal Diameter
|
Rod Big End Journal Diameter
|
Rod Small End Diameter
|
Rod C/L to C/L (f)=forged (c)=cast
|
Rod Big End Width
|
Total Piston Length
|
Piston Comp Height
|
Piston Dish Volume (cc's)
|
Gasket Thickness (compressed)
|
Deck
|
"Advertised"
Compression Ratio XX/1 |
Combustion Chamber (cc's)
|
Liner Length
|
Displacement
Stroked with Crankshaft & 3.71"
bore
|
|
New 4.0L Rover X-Bolt 94mm/3.7"
bore
|
mm
|
71 (35.5)
|
63.5
|
55.5
|
24
|
155.2
|
21.34
|
66.6
|
35.9
|
13.23
|
.9398
|
1
|
9.35
|
27
|
135
|
|
|
in
|
2.8 (1.4)
|
2.4995
|
2.185
|
.945
|
6.11
|
.84
|
2.622
|
1.413
|
.037
|
.04
|
5.315
|
|||||
|
New 4.6L Rover X-Bolt 94 mm/3.7"
bore
|
mm
|
82 (41)
|
63.5
|
55.5
|
24
|
149.7
|
21.34
|
66.6
|
35.9
|
22.29
|
.9398
|
.1
|
9.35
|
27
|
135
|
|
|
in
|
3.228 (1.614)
|
2.4995
|
2.185
|
.945
|
5.894
|
.84
|
2.622
|
1.413
|
.037
|
.04
|
5.315
|
|||||
|
BOP215/Rover3.5L 88.9mm/3.5"
bore
|
mm
|
71 (35.5)
|
58.4
|
50.8
|
22.23
|
143.76
|
21.34
|
80.9
|
46.81
|
Many Variations
|
.4318
|
Many Variations
|
37
|
140
|
||
|
in
|
2.8 (1.4)
|
2.2994
|
2
|
.875
|
5.66 (f)
|
.84
|
3.185
|
1.843
|
.017
|
5.512
|
||||||
|
1964 Buick 300cid 95.25mm/3.75"bore
|
mm
|
86.36 (43.18)
|
63.5
|
50.8
|
23.85
|
151.38
|
21.34
|
54
|
4.798
|
|||||||
|
in
|
3.4 (1.7)
|
2.4995
|
2
|
.939
|
5.96 (c)
|
.84
|
293
|
|||||||||
|
Leyland P76 4.4L 88.9mm/3.5"bore
|
mm
|
88.9 (44.45)
|
63.5
|
50.8
|
21.34
|
4.939
|
||||||||||
|
in
|
3.5 (1.75)
|
2.4995
|
2
|
.84
|
301
|
|||||||||||
|
Buick 340 95.25mm/3.75bore
|
mm
|
97.79 (48.895)
|
76.2
|
50.8
|
23.85
|
162.05
|
21.34
|
5.433
|
||||||||
|
in
|
3.85 (1.925)
|
3
|
2
|
.939
|
6.38 (c)
|
.84
|
331
|
|||||||||
|
Chevy 5.7" Small Journal
|
mm
|
50.8
|
23.55
|
144.78
|
23.88
|
|||||||||||
|
in
|
2
|
.927
|
5.7
|
.94
|
||||||||||||
|
Chevy 5.85" Small Journal
|
mm
|
50.8
|
23.55
|
148.59
|
23.88
|
|||||||||||
|
in
|
2
|
.927
|
5.85
|
.94
|
||||||||||||
|
Chevy 6.0 Small Journal
|
mm
|
50.8
|
23.55
|
152.4
|
23.88
|
|||||||||||
|
in
|
2
|
.927
|
6
|
.94
|
||||||||||||
|
Chevy 6.125 Small Journal
|
mm
|
50.8
|
23.55
|
155.58
|
23.88
|
|||||||||||
|
in
|
2
|
.927
|
6.125
|
.94
|
||||||||||||