Do you need a camshaft bearing for a rebuild?
The bearing’s oil hole must be perfectly aligned with the feedhole located in the main saddle, or else oil starvation can occur. It’s generally not cost effective to purchase a camshaft bearing installation tool for a single rebuild. It may be best to let your machinist perform the task for you.
Where are the bearings in a torque tube?
Click to expand… There are more than just bearings. Aside from the 3 bearings that go in the TT (2 matched bearings at the rear, 1 slightly smaller bearing at the front) there is also a rubber O-ring for where each bearing sits in the Torque Tube housing. Also there is a handful of snap rings that really should be replaced when we do this job.
When to replace torque tube bearings in corvette?
The car has 220k miles on it, and I’m replacing the LS1 with a LS3 that has a cam installed. with the extra power I should have I figure now would be the time to replace the couplers and bearings. I’ve had no issues/ noises or anything. but I read that 200k is a lot for the couplers. I have never pulled a torque tube from the front.
How do you install a camshaft in a Pontiac V-8?
Use a file or small knife to “dress” the opposite end before installation. It removes any sharp edges that can score the camshaft journal. Use a camshaft bearing installation tool to install the bearings in the block. Working from the front of the block, install the rear journal first.
When to replace camshaft bearings in an engine?
Replacing camshaft bearings during an engine rebuild is a no-brainer, but don’t take the process lightly. Simply knocking out the old bearings and installing fresh ones with little regard to bearing selection, sizing or alignment is a big mistake.
Can a Harley Davidson twin cam engine be rebuilt?
I talked with a couple shops about my rebuild project and discovered that I knew embarrassingly little about the breadth of options for rebuilding a Harley V-twin. To begin with, all sizes of the Twin-Cam engine, 88, 96 and 103 ci can be rebuilt to 103 and even up to 107ci.
What’s the minimum clearance for a cam bearing?
Minimum clearance should be 0.002˝ for stock engines and 0.003-0.004˝ for high-performance engines. If cam fit is too tight, bearing material can be removed by reaming.
How are cam bearings installed into a block?
Installation of cam bearings into the block must be done carefully to avoid shaving material from the outside diameter of the bearings. This can easily cause a buildup of excess material between the bearing and the block’s bearing bore, which will “squeeze” the bearing, resulting in oil clearance reduction at the bearing inside diameter.