Engine Specs

TORQUE SPECIFICATIONS FOR PONTIAC ENGINES W/MOLY LUBE
1-4 MAINS WITH 1/2" BOLT/STUD
95 FT. LBS
MAINS REAR
115 FT. LBS
MAINS OUTER (4 BOLT)
85 FT. LBS
RODS WITH 3/8" ARP ROD BOLTS
45 FT. LBS
RODS WITH ARP 8740 BOLTS - 7/16"
63 FT. LBS
RODS WITH ARP 2000 BOLTS - 7/16"
75 FT. LBS
CAST IRON HEADS
100 FT. LBS
ALUMINUM HEADS
95 FT. LBS

PONTIAC ENGINE CHART
ENGINE
BORE
STROKE
MAIN DIA.
326 CU. IN.
Stock Bore
3.720
3.750
3.00
30 over
3.750
   
60 over
3.780
   
350 CU. IN.
Stock Bore
3.875
3.750
3.00
30 over
3.905
   
60 over
3.935
   
389 CU. IN.
Stock Bore
4.062
3.750
3.00
30 over
4.092
   
60 over
4.122
   
400 CU. IN.
Stock Bore
4.120
3.750
3.00
30 over
4.150
   
60 over
4.180
   
421 CU. IN.
Stock Bore
4.093
4.000
3.25
30 over
4.123
   
60 over
4.153
   
428 CU. IN.
Stock Bore
4.120
4.000
3.25
30 over
4.150
   
60 over
4.180
   
455 CU. IN.
Stock Bore
4.151
4.210
3.25
30 over
4.181
   
60 over
4.211
   
BPI ASSEMBLIES/ENGINES
CU. IN.
BORE
STROKE
MAIN DIA.
461 CU. IN.
BPI
4.155
4.250
3.00/3.250
467 CU. IN.
BPI
4.181
4.250
3.00/3.250
474 CU. IN.
BPI
4.211
4.250
3.00/3.250
496 CU. IN.
BPI
4.310
4.250
3.00
505 CU. IN.
BPI
4.350
4.250
3.00
511 CU. IN.
BPI
4.375
4.250
3.00
487 CU. IN.
BPI
4.155
4.500
3.00/3.250
494 CU. IN.
BPI
4.181
4.500
3.00/3.250
501 CU. IN.
BPI
4.211
4.500
3.00/3.250
525 CU. IN.
BPI
4.310
4.500
3.00
535 CU. IN.
BPI
4.350
4.500
3.00
541 CU. IN.
BPI
4.375
4.500
3.00

2336 Hwy 43 South
Leoma, TN 38468
PHONE: (931) 762-4596   24 HOUR-FAX: (931) 766-1245
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