Recent content by smaring
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priming lifters vs ensuring compression
I fully bleed out the valve lifters until they bottomed out with a bench vise. The resistance on some of them was amazing. I backed off and compressed them again a few times. After doing that I could compress each of them pretty well with just my fingers. I opted to NOT soak them in oil to...- smaring
- Post #2
- Forum: Engine & Performance
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priming lifters vs ensuring compression
I'm having trouble with valves not fully seating in a couple cylinders on my 2001 4.6L Expedition. I believe I've narrowed the problem down to the lifters, which are all new. I came to this conclusion because if I leave the rockers off there is no leak while doing a water test. As soon as I...- smaring
- Thread
- lifters
- Replies: 1
- Forum: Engine & Performance
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need some help diagnosing a rough idle after rebuild
You would think running lean would cause you to have good gas mileage. I just logged a trip with ODB Fusion and this Veepeak and I'm getting 12.6 MPG. I read somebody suggesting that if its so lean that you aren't getting combustion that that can happen. I guess that's because you then have...- smaring
- Post #4
- Forum: 1st Gen - 1997 - 2002
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need some help diagnosing a rough idle after rebuild
280K miles on it. The degree to which the valve was bent only created a bit of resistance in the valve guide. I noticed it while lapping the valves. I saw no impact marks on the top of the piston so I don't know if maybe it hadn't always been that way. I put a straight-edge all over the...- smaring
- Post #3
- Forum: 1st Gen - 1997 - 2002
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need some help diagnosing a rough idle after rebuild
Hey guys, I'm new to the forums here. I have a 2001 4.6L that I recently finished "refreshing" after a loud bang and smoke pouring out the exhaust like crazy. I figured I was lucky to make it in the driveway. It had a broken timing chain guide and a valve that was a bit bent. I presume the...- smaring
- Thread
- Replies: 7
- Forum: 1st Gen - 1997 - 2002
