Main Bearing Direction
Right, so all I would have to do is turn the main cap around and it would be in the correct spot? That way each side of the bearings have a notch. The block side notch should be opposite the main cap notch. So one notch is on the left side and the other is on the right side. I don't think the notches should or even can be on the same side and offset due to their design.
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How can the notches be on the same side? It's impossible. Even if the bearings themselves were turned around, these clevites were designed differently then I think than standard bearings. There is no way for the bearings to have the notches on the same side opposite each other.
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Verdad Gallardo That's strange. Every engine I have put togethor has had the notch on the same side, side be side. If in fact they really are designed differant then I would think it would be ok just as long as the notches are NOT aligned with each other. The bearing could spin if it was like that. The thing I don't like about that is that I believe the rod cap should always be put back on the same direction as it came off. Try posting this on the corvette forum in the C5 Tech, there is alot of engine builders over there
FormerVendor
Joined: Nov 2001
Posts: 3,065
Likes: 6
From: Houston, Tx.
Sorry I just saw this 5 minutes ago.
The LS1 is different from other american V8 engines though as most are on the same side but staggered like the guys above were thinking.
The only way to get the tangs to face each other on the same side is if the main cap is installed the wrong way. With the main caps installed correctly the notches become offset where the bottom bearing ring is on the right side and the top main cap bearing is on the left side offset. I think I will call TSP or Ligenfelter tomorrow and get their input on this.
Thanks!
Thanks!
FormerVendor
Joined: Nov 2001
Posts: 3,065
Likes: 6
From: Houston, Tx.
The only way to get the tangs to face each other on the same side is if the main cap is installed the wrong way. With the main caps installed correctly the notches become offset where the bottom bearing ring is on the right side and the top main cap bearing is on the left side offset. I think I will call TSP or Ligenfelter tomorrow and get their input on this.
Thanks!
Thanks!
You had them right in the first picture! What part don't you understand?
On the front and rear caps there are tangs on both sides but the tangs are again opposite side from each other if you do everything right. On the middle three caps the tangs are on opposite sides no matter what or your caps are on backwards. I'm looking at one of about 50 blocks I have and I have built hundreds. You asked for a real engine builder to post something and now you still aren't sure? You can see on the sides of your block if the caps are on right.
Erik (racer7088) is correct, Nick!
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You had them right in the first picture! What part don't you understand?
On the front and rear caps there are tangs on both sides but the tangs are again opposite side from each other if you do everything right. On the middle three caps the tangs are on opposite sides no matter what or your caps are on backwards. I'm looking at one of about 50 blocks I have and I have built hundreds. You asked for a real engine builder to post something and now you still aren't sure? You can see on the sides of your block if the caps are on right.
On the front and rear caps there are tangs on both sides but the tangs are again opposite side from each other if you do everything right. On the middle three caps the tangs are on opposite sides no matter what or your caps are on backwards. I'm looking at one of about 50 blocks I have and I have built hundreds. You asked for a real engine builder to post something and now you still aren't sure? You can see on the sides of your block if the caps are on right.
FormerVendor
Joined: Nov 2001
Posts: 3,065
Likes: 6
From: Houston, Tx.
In the first picture I posted the tangs are on the same side and not on opposite sides. I just want to make sure my main bearings weren't installed incorrectly, I've already had this machine shop line hone my block with the caps out of order. If the bearings are supposed to have the tangs offset and NOT in line with each other then I am fine. If each main bearing is supposed to have the notches in line with each other then I need to have them turn my main bearings around.
If the machine shop line honed the block with the caps on backwards and it is actually round again now then you will have to run the caps backwards but most of the time the shop will see that they are on wrong. Usually the main bores are also offset at the main caps parting line when you turn the caps backwards so if the shop is using a dial bore guage they will realize they are on wrong.
If they machined and line honed them out of order you need a new shop as GM even numbers the main caps right from the factory!
We just spoke on the phone and got it cleared up.
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POWERBOND - ASP - AND MORE!
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Yes, thank so much guys! I really didn't want to come off like an a$$hole but I've really had too many set backs at this point. I want to make damn sure everything is correct. All my bearing clearances are .002 - .0022 with the caps in the correct order. Thanks again Erik and Matt for helping me clear this up. From what Matt told me is that the thrust bearing has have offset notches but the rest of the bearings it's irrelevant whether or not the notches are in line or offset but it's best to keep them all universal. So keeping them all offset is the way to go 
