[PAC-MAN]

Piston TECH: I have pics of the B Series pistons, but need to host them 1st. Stay tuned for more Tech.


Stock Piston:
B16A PR3
B16A(JDM) P30
B17A1 P61
B18C1 (USDM) P72-A0
B18C1 (JDM) P72-00
B18C5 (USDM) P73-A0
B18C5 (JDM) P73-00
B16B PCT
B18B1 P75
B18A1 PR4
D15B1 P03

D15B2 P03
D15B7 P03
D15Z1 P07

D16A6 PM6
D16Z6 P28

D16Y7 P2E

D16Y5 P2M

D16Y8 P2P

D17A1 PLM-A0

D17A2 PLR-A0

ZC PM7

Stock Compression:
B16A 10.2:1 (1ST GEN)
B16A 10.4:1 (2ND GEN-UP)
B17A1 9.7:1
B18C1 10.0:1 (USDM)
B18C1 10.6:1
B18C5 10.6:1 (USDM)
B18C5 11.1:1 (JDM)
B16B 10.8:1
B18A1 9.2:1
B18B1 9.2:1
B18B 9.4:1 (JDM)
B20B 8.8:1 (USDM/JDM)
B20Z 9.6:1 (USDM/JDM)
D16A1 9.5:1
D16Z6 9.1:1
D16Y8 9.6:1
ZC 9.5:1

Engine Piston Mixing Compression output:
B16A W/ B16B(PCT) PISTONS YEILD 11.1:1
B16A W/ B18C5 (P73-A0) PISTONS YEILD 10.4:1
B16A W/ B18C5 (P73-00) PISTONS YEILD 10.7:1
SAME ORDER FOR THE REST
B17A1 11.4
B17A1 10.6
B17A1 10.8

B18C1 11.8:1
B18C1 10.9:1
B18C1 11.4:1

Piston/Rod Measurements:

B16A PR3:
ROD LENGTH: 5.290”
STROKE: 3.031”
BORE SIZE: 3.189 “(81MM)
COMPRESSION HEIGHTS: 1.180”
DOME HEIGHT: .098”
WEIGHT: 299 GRAMS

B17A1 P61:
ROD LENGTH: 5.208”
STROKE: 3.205”
BORE SIZE: 3.189” (81MM)
COMPRESSION HEIGHTS: 1.181"
DOME HEIGHT: CAN’T FIND YET
WEIGHT: CAN’T FIND YET


B18A1 PR4:
ROD LENGTH: 5.394”
STROKE: 3.504”
BORE SIZE: 3.189“ (81MM)
COMPRESSION HEIGHTS: 1.180”
DOME HEIGHT: -.055”
WEIGHT: 280 GRAMS


B18C1 P72
ROD LENGTH: 5.429”
STROKE: 3.433”
BORE SIZE: 3.189” (81MM)
COMPRESSION HEIGHTS: 1.183”
DOME HEIGHT: .000”
WEIGHT: 305 GRAMS

B18C5 P73-A0
ROD LENGTH: 5.429”
STROKE: 3.433”
BORE SIZE: 3.189” (81MM)
COMPRESSION HEIGHTS: 1.190”
DOME HEIGHT: .070”
WEIGHT: 310 GRAMS

B20B
ROD LENGTH: NA
STROKE: NA
BORE SIZE: 3.307” (84MM)
COMPRESSION HEIGHTS: 1.165”
DOME HEIGHT: -.035”
WEIGHT: 312 GRAMS

H22A
ROD LENGTH: 5.63”
STROKE: 3.571”
BORE SIZE: 3.425” (87MM)
COMPRESSION HEIGHTS:1.222"
DOME HEIGHT: NA
WEIGHT: NA

H23A1
ROD LENGTH: 5.571"
STROKE: 3.740"
BORE SIZE: 3.425" (87MM)
COMPRESSION HEIGHTS: 1.203"
DOME HEIGHT:NA
WEIGHT: NA

D15B1/ 2/ 7/ 8
ROD LENGTH: 5.275”
STROKE: 3.326”
BORE SIZE: 2.933” (74.5MM)
COMPRESSION HEIGHTS: 1.208”
DOME HEIGHT: .000”
WEIGHT:

D16Z6
ROD LENGTH: 5.393”
STROKE: 3.543”
BORE SIZE: 2.952” (75MM)
COMPRESSION HEIGHTS: 1.181”
DOME HEIGHT: -.118”
WEIGHT:NA

D15Z1
ROD LENGTH: 5.393”
STROKE: 3.326
BORE SIZE: 2.952” (75MM)
COMPRESSION HEIGHTS: 1.092”
DOME HEIGHT: -.277”
WEIGHT:NA

D16Y7
ROD LENGTH: 5.393”
STROKE: 3.543”
BORE SIZE: 2.952” (75MM)
COMPRESSION HEIGHTS: 1.181”
DOME HEIGHT: -.130”
WEIGHT:NA

D16Y5
ROD LENGTH: 5.393”
STROKE: 3.543”
BORE SIZE: 2.952” (75MM)
COMPRESSION HEIGHTS: 1.161”
DOME HEIGHT: -.106”
WEIGHT:NA

D16Y8
ROD LENGTH: 5.393”
STROKE: 3.543”
BORE SIZE: 2.952” (75MM)
COMPRESSION HEIGHTS: 1.161”
DOME HEIGHT: -.083”
WEIGHT:NA

D17A1
ROD LENGTH: 5.511”
STROKE: NA
BORE SIZE: 2.952” (75MM)
COMPRESSION HEIGHTS: 1.062”
DOME HEIGHT: -.106”
WEIGHT:NA

D17A2
ROD LENGTH: 5.511”
STROKE: NA
BORE SIZE: 2.952” (75MM)
COMPRESSION HEIGHTS: 1.062”
DOME HEIGHT: -.104”
WEIGHT:NA


ROD TECH:

ROD/STROKE RATIO AND ROD LENGTH:

B16A: 1.74/ 134MM
B17A1: 1.62/131.87MM
B18A1: 1.54/ 137MM
B18B: 1.54/137MM
B18C1: 1.58/137.9MM
B18C5: 1.58/137.9MM
B20A3/53RD GEN LUDE) 1.50/142.75MM
B21A1: 1.492/141.7MM
B20B: 1.539/137MM
H22A: 1.577/143MM
H23A1: 1.49/141.5MM
F20C: 1.821/153MM
D17A1: /140MM
D17A2: /140MM
D16Y8: 1.52/137MM
D16Y7: 1.52/137MM
D16Z6: 1.52/137MM
D16A1: 1.52/137MM
D16A6: 1.52/137MM
D15B1: 1.59/134MM
D15B2: 1.59/134MM
D15B7: 1.59/134MM
D15B8: 1.59/134MM
ZC: 1.52/137MM