Chevrolet 4.3L 1986-1992 262 V6 Block # 10105867


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Current Price: 285.00 USD

Chevrolet 4.3  Roller Cam V6 Bare Block Core GM / Chevrolet Engine

Ready for remanufacturing.


Cylinder bores, main saddles and lifter galley have been inspected.  Ready for remanufacturing. Block may need to be line honed.

Replaces block casting numbers: 10105867, 10172756, 14099073, 14093683 and 10066011

MerCruiser part number: 14149R5 841-9956, 841-9690  

175 (2 BBL.) GM 262 V-6 1987
205 (4 BBL.) GM 262 V-6 1987
4.3L (2 BBL.) GM 262 V-6 1988-1992
4.3LX (4 BBL.) GM 262 V-6 1988-1992
4.3L GM 262 V-6 1988-1994


TECH NOTES
1987- ’94 WITHOUT BALANCE SHAFT: In 1987, a roller lifter cam was installed, so the block was changed again. Two bolt bosses were added in the middle of the valley for the lifter retainer that kept the rollers properly located on the cam and perpendicular to it. This same basic block was used through ’91 for everything, and in ’92 through ’94 for all of the engines without balance shafts except for one small difference – some of the blocks came with four bolt holes for the tunnel style retainer beginning in ’92. There were several different castings used, including the 10105867, 10172756, 14099073, 14093683 and 10066011 with the two-bolt retainer, and the 10172756, 14099073 and 10066061 blocks with the four-bolt retainer. LIFTER RETAINERS..The roller cam motors have used three different lifter retainers. All of the ’87 through ’91 non-balancer blocks and some of the ’92s used a flat retainer (p/n 10046165) with two bolt holes in the middle. As of ’92, all of the balancer motors and some of the non-balancer motors came with the tunnel-shaped retainer (p/n 10105916) with four bolt holes, two on the outer edge on each side. Starting in ’94, Chevy used two plastic retainers (p/n 12551431) that are bolt-in replacements for the tunnel-shaped version. There are some later intakes that will hit on the reinforcing ribs on the tunnel-shaped retainer, so it’s best to use the plastic retainers in all of the blocks that have the four bolt holes.

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Chevrolet 4.3L 1986-1992 262 V6 Block # 10105867 Chevrolet 4.3L 1986-1992 262 V6 Block # 10105867 Chevrolet 4.3L 1986-1992 262 V6 Block # 10105867
Chevrolet 4.3L 1986-1992 262 V6 Block # 10105867 Chevrolet 4.3L 1986-1992 262 V6 Block # 10105867 Chevrolet 4.3L 1986-1992 262 V6 Block # 10105867
Chevrolet 4.3L 1986-1992 262 V6 Block # 10105867


Click here to purchase or contact the seller of this item on eBay