Cam Bearings
Cam Bearings I am in the middle of doing heads and cam in my car and last night we took the crank off and the cam out and the front two bearings got scratched a little bit. Should I change em out or will they be fine?
Take a pic.
From what I have seen with my motor and others is that the front cam bearings wear exessivly to begin with.
Are you sure you induced the scratch??
You could replace the 1st one in the car but the 2nd, I do not think so but I could be wrong. I always did cam bears from bottom up and the engine/rotating assembly had been out of the block and out of car.
From what I have seen with my motor and others is that the front cam bearings wear exessivly to begin with.
Are you sure you induced the scratch??
You could replace the 1st one in the car but the 2nd, I do not think so but I could be wrong. I always did cam bears from bottom up and the engine/rotating assembly had been out of the block and out of car.
Take a pic.
From what I have seen with my motor and others is that the front cam bearings wear exessivly to begin with.
Are you sure you induced the scratch??
You could replace the 1st one in the car but the 2nd, I do not think so but I could be wrong. I always did cam bears from bottom up and the engine/rotating assembly had been out of the block and out of car.
From what I have seen with my motor and others is that the front cam bearings wear exessivly to begin with.
Are you sure you induced the scratch??
You could replace the 1st one in the car but the 2nd, I do not think so but I could be wrong. I always did cam bears from bottom up and the engine/rotating assembly had been out of the block and out of car.
I dont think I scratched it and there wasnt any damage on the cam that I could see but then again this is my first cam swap so I could have scratched it taking it out. It isnt really a scratch either it more of a scuff. Hopefully ill be able to get a good picture of it
I've seen some really nasty cam bearings that run just fine. If the scratch is big enough you may lose a little oil pressure. If it's just a scuff, I think you'll be ok. When you run your nail across it, does it get caught?
As weird as it sounds, I've taken some emery paper and knocked the sharp edge off a nicked bearing. To this day, the car's still running great (25k later)
Post up pics just to make sure.
As weird as it sounds, I've taken some emery paper and knocked the sharp edge off a nicked bearing. To this day, the car's still running great (25k later)
Post up pics just to make sure.
Seeing it, I wouldn't be extremely comfortable running it, however if you knock down the high areas it would probably run fine. I have seen worse. With that said, I'd want to replace it if I could.
If you've tried reinstalling the cam, does it glide in easily? If any force is required it definitely needs to be replaced.
Is the second bearing better or worse than this one?
If you've tried reinstalling the cam, does it glide in easily? If any force is required it definitely needs to be replaced.
Is the second bearing better or worse than this one?
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Disregard the 2nd bearing statement, for some reason when I was originally reading your post I mixed up the 1st reply as well. I thought you had said it was the first 2 that were scratched.
That's exactly how I feel. I think it would run without issue, I'm just a little cautious when it comes to bearings. At times it may be a little too cautious.
Disregard the 2nd bearing statement, for some reason when I was originally reading your post I mixed up the 1st reply as well. I thought you had said it was the first 2 that were scratched.
Disregard the 2nd bearing statement, for some reason when I was originally reading your post I mixed up the 1st reply as well. I thought you had said it was the first 2 that were scratched.
I just posted this in another Cam Bearing thread but I think the guy already got it taken care of. Maybe this will help you out if you decide to replace it:
That same bearing I messed up pulling the old cam out so it had to go (I got it good too, yours looks awesome compared to mine). Did not pull the motor, Did not drop the tranny, Didn't even have to buy that $200 wonder tool that seems to be no-******-where in all of Phoenix, Lol.
I went to Harbor Freight and bought their bearing driver kit ($25). The size you need is 59mm. Take the Top Valley Cover off (have to disconnect the 2 knock sensors first). Once you do this there is an opening in the block directly above that bearing. You can get a finger down behind on the other side of the bearing. You'll want a friend for this part. Have someone drive the bearing slowly into the block (I Know, ****** scary) and just hold onto it until its free. Rotate it 90 degrees and just pull it up through the opening in the block. That bearing is soft enough that it will pull through without tearing the block up.
Then I drank a beer. Easy.
That same bearing I messed up pulling the old cam out so it had to go (I got it good too, yours looks awesome compared to mine). Did not pull the motor, Did not drop the tranny, Didn't even have to buy that $200 wonder tool that seems to be no-******-where in all of Phoenix, Lol.
I went to Harbor Freight and bought their bearing driver kit ($25). The size you need is 59mm. Take the Top Valley Cover off (have to disconnect the 2 knock sensors first). Once you do this there is an opening in the block directly above that bearing. You can get a finger down behind on the other side of the bearing. You'll want a friend for this part. Have someone drive the bearing slowly into the block (I Know, ****** scary) and just hold onto it until its free. Rotate it 90 degrees and just pull it up through the opening in the block. That bearing is soft enough that it will pull through without tearing the block up.
Then I drank a beer. Easy.
