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Rebuilt GM Marine Long Block Engines - 6 Cylinder


How to Select the Proper V6

 

GM 6-Cylinder Engines

 
Years
Approx.
Description HP Liter/
CID
Cyls Block
Casting
Numbers
Standard
Rotation
Reverse
Rotation
80-84 Valve covers bolt around perimeter. 175 3.8L
229 CID
V-6 594 GM229LA --
70-80 In-line 6 cylinder engine. 150 & 165 4.1L
250 CID
L-6 855, 675, 127, 466, 575 GM250LA --
85-86 2 piece rear main seal. This is the early style block. 12 bolt intake. 175 & 205 4.3L
262 CID
V-6 177 GM262LA GM262RA
86-88 1 piece rear main seal. Non roller cam engine. Valve cover bolts down center. 12 bolt intake. 175 & 205 4.3L
262 CID
V-6 553, 683 GM262LB GM262RB
87-92 1 piece rear main seal. Roller cam engine. Has 2 accessory holes on front of head. 12 bolt intake. 175 & 205 4.3L
262 CID
V-6 011, 867, 611 GM262LC (Not Available) GM262RC
87-92 Roller cam engine. Heads have 3 bolt hole accessory mounting on the front of each head. Head casting numbers are 768, 103, 066, 996 and 476. With fuel pump hole. 12 bolt intake. This engine can be used to replace the GM262LC. 175 & 205 4.3L
262 CID
V-6 011, 867 GM262LH --
92-97 Roller cam engine with balance shaft. Has a 10 bolt front timing cover. No fuel pump hole. Balance shaft casting numbers must be 10224542 or 10172748. Must check balance shaft casting number. 12 bolt intake. 175 & 205 4.3L
262 CID
V-6 196, 534, 535, 359 GM262LD (Not Available) --
95-99 Roller cam engine with balance shaft. Has 6 bolt front timing cover and 14 bolt oil pan rail. 12 bolt intake. 175 & 205 4.3L
262 CID
V-6 196, 534, 535, 359 GM262LE (Not Available) --
92-96 Roller cam engine with wide intake. Head casting numbers 064, 209 or 181. last three digits. 4 bolt lifter hold down. No fuel pump hole, no balance shaft. 12 bolt intake. 175 & 205 4.3L
262 CID
V-6 756, 073, 061 GM262LF --
96-99 Roller cam engine with balance shaft. Balance shaft casting 10224542. Has 6 bolt timing cover and 10 bolt oil pan rail. Head casting number 772 and 140 last three digits. 8 bolt intake. 175 & 205 4.3L
262 CID
V-6 090 GM262LG --
92-97 Roller cam engine with balance shaft. Balance shaft casting numbers must be 12550286, 10224541. Must have 10 bolt timing cover and 14 bolt oil pan Without fuel pump hole. 12 bolt intake. 175 & 205 4.3L
262 CID
V-6 196, 534, 359, 535 GM262LI --
00-05 Roller cam with balance shaft. Has roller rockers. Block has metric mounts. 6 bolt timing cover. head casting should be 113. 8 bolt intake. 200 & 230 4.3L
262 CID
V-6 090M GM262LJ --
63-73 7/16 fly wheel bolts. 2 bolt starter pad. 200 4.8L
292 CID
L-6 258, 404, 659, 970 GM292LA GM292RA
63-73 1/2 fly wheel bolts. 3 bolt starter pad. 200 4.8L
292 CID
L-6   GM292LB --

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