Great for turbo, endurance or anyone who’s experienced the agony of a burned up Mag side #2 rod. TPR also offers a shuffle pinning feature using a dowel system that keeps the case halves properly aligned during the torque sequence, allowing the use of the ARP main studs. Lineboring assures that the case halve main journals are true, round and aligned. (1.750”) main bearing in 3 grades (Standard, +.0003” and -.0003”) that are designed to accommodate an over bored case. To thoroughly “bulletproof” the case, we designed an oversize O.D. King XP line bearings are a hardened coated race bearing vs the OE soft Babbitt bearing. These exclusive BC/TPR mains from King Bearing however do provide the proper oiling from the mains to the rods with some qualified machining. The BC 4340 billet XP crankshafts are an improvement to the rod bearing failures but they aren’t the cure for the oiling issues. The same tool can be used to drive out old bearings as well.New King main bearings for the Polaris RZR platform are now available.
The removable bearing die allows you to install the first three bearings, and then reverse the tool in the block to install the last two. Sometimes called a cam bearing driver, cam bearing tool, or knocker, this tool has a bearing die and centering cone sized specifically to fit the cam journals of Gen 3 LS engines.
The video provides several tips for cleaning, for how to determine bearing order and orientation, and for test-fitting the camshaft.īrian and Mike also share how to operate the Summit Racing cam bearing installation tool. They’re using a late-Gen 3 LS engine block that they rescued from the returns bin and turned into a project 408, but the same techniques work on all of these blocks. In today’s video from our friends at Summit Racing, Brian and Mike demonstrate the proper way to install cam bearings in LS Gen 3, LS Gen 4, or LT Gen 5 engines.
If you’ve done everything right, once the camshaft is in place, it should spin by hand with ease! They also must be driven into position perfectly straight, with the oil galley holes lined up. Camshaft bearings are sized to fit into the cam housing bore in a specific order.
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