Last Updated: Dec 17, 2005
B-Series Compression Calculator v.76 BETA
This calculator is intended for use as a general estimate of your compression only.
Not all values are verified, if you have verified values, please email them to me @
compcalc@zealautowerks.com
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D-SERIES CALCULATOR
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K-SERIES CALCULATOR
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H/F-SERIES CALCULATOR
Block
Crank
B16A - B17A
B18A/B
B18C - B16B
B20B/Z
Other
B16A/B
B17A
B18A/B - B20B/Z
B18C
Other
Bore (mm)
Stroke (mm)
Deck Height (mm)
Head
B16A/B - B17A - B18C5
B18A/B - B20B/Z
B18C1
Other
Combustion Chamber Volume (cc)
Piston
pr3 (USDM B16A)
p30 (JDM B16A)
p61 (B17A)
pr4 (B18A/B)
p72-A0 (USDM B18C1)
p72-00 (JDM B18C1)
p73-A0 (USDM B18C5)
p73-00 (JDM B18C5)
p3f (B20B)
phk (B20Z)
pct (JDM B16B)
Other
Dome (cc)
Comp Height (mm)
Connecting Rod
B16A
B17A
B18A/B - B20B/Z
B18C1/C5
B16B
Other
Rod Length (mm)
Headgasket Thickness
OEM 3-layer
1-layer
2-layer
Other
Thickness (in)
Bore diff (mm) *
Head Milling and Block Decking
Enter total amount head has been milled and block decked.
(in)
Piston-to-Deck Height
This value is dynamically created on the figures given above
negative value = out of the hole
(in)
Maxium Operating RPM
Enter the maxium operating RPM to determine mean piston speed and maxium piston acceleration
(rpm)
COMP RATIO
: 1
Displacement
cc
Calculate
Rod / Stroke Ratio
Mean Piston Speed
fps
Maxium Piston Acceleration
fps
2
* for slightly better results, enter the difference between the bore diameter of the headgasket and the cylinder bore.
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