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

2786 Hwy 43 North
Lawrenceburg, TN 38464
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