Load Profile
User-Defined
924 NA: 77 OEM US-Spec
924 NA: 78-79 OEM US-Spec
924 NA: 80-82 OEM US-Spec
924 NA: 76-85 OEM ROW-Spec
931 S1: 79-80 OEM US- & ROW-Spec
931 S2: 81-82 OEM US-Spec
931 S2: 81-82 OEM ROW-Spec
951: 1986
Custom: Ideola's Cheap-a$$ 2.1L NA Stroker w/931 Head
Custom: Ideola's Weld-&-Regrind 2.2L 931 Stroker
Custom: Ideola's Long Rod 931
Custom: Ideola's Weld-&-Regrind 2.2L NA Stroker
OEM Hybrid: NA Head with S1 931 Pistons
OEM Hybrid: NA Head with S2 US 931 Pistons
OEM Hybrid: NA Head with S2 ROW 931 Pistons
Calculated Results
Compression Ratio
:
Displacement
:
Deck Clearance
:
Total Volume
:
Note:
Most commonly modified parameters are highlighted. Enter volume in cubic centimeters (cc)
Units:
millimeters
inches
Editable Values
Definitions
Head
Volume in Head
cc
Gasket Bore
Gasket Compressed
.027"
.030"
.036"
.040"
.045"
.046"
.051"
.060"
.066"
.070"
.075"
.080"
.086"
.092"
.098"
.120"
Block
Deck Height
Cylinder Bore
Stroke
Rod Length
Piston
Compression Height
Volume in Dish
cc