6.0 getting yanked
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Mountain Pass
Joined: Jun 2011
Posts: 166
Likes: 1
From: Las Vegas, Nv
6.0 getting yanked
Next week I'm yanking the motor on my 6.0, cab on. Its been leaking oil from the bed plate. So I've decided to pull it and replace the seals. In the process I'm studded the heads . The motor has 230k on it . Had a tuner on it for about 20k miles. Towing a 40 foot toy hauler about 4k miles. Im trying to figure out weather to do the rings and bearings. What should be the deciding factor?
Hotshot
Joined: Dec 2014
Posts: 17,834
Likes: 3,121
From: Jersey Shore
If you are doing the bedplate, you might as well also inspect the rod bearings. As far as the rings, inspection to see how much of a wear lip is formed, and measuring the cylinders for wear when the pistons are cranked low. At 230k, ring life is about half of my expectations, so it's a toss. But at 230k and rings, I'd be doing a bore out to the next size, so now you're at the point of close to a full rebuild.
In my opinion, studs are highly, highly overrated. The problem is the heads tenting, and if that's occurring, between machining the heads, grinding the valves, and probably addressing the guides, you're pushed even more to a full rebuild.
So the question really becomes, how much to bandaid or a full rebuild.
In my opinion, studs are highly, highly overrated. The problem is the heads tenting, and if that's occurring, between machining the heads, grinding the valves, and probably addressing the guides, you're pushed even more to a full rebuild.
So the question really becomes, how much to bandaid or a full rebuild.
Lead Driver
Joined: Mar 2010
Posts: 5,505
Likes: 257
From: Woodbridge, Ontario, CA
At 230K MILES, I would be questioning the lifespan of the cam lobes and roller lifters. Considering to replace the cam would mandate removing the crank, checking it over while you have it out and apart would be very wise.
Logistics Pro
Joined: Nov 2010
Posts: 3,673
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bingo .
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