Fuel's Winter Project: Build It Before It Blows

[05stroker]

IIRC my rods have a bevel built into them (Manley H-beams, and I have a Kellogg 3.750 stroker crank) the bearings do not sit in the center they actually sit off to one side more than the other and of the course the side with the larger clearance faces the crank counter weight and the other side faces the other rod.

Sounds like you have the "Narrow" bearings like I have.

 

[swflastang05]

Sounds like you have the "Narrow" bearings like I have.

Here's a pic. I also noticed these bearings have a bevel on the same side as the rod gap.

 

[05stroker]

Bruce's looks like a beveled bearing. The others look like what I have. A "narrow" bearing. Both will work but depending on your rod, they may only have one side that contacts the counter weight. For instance, I have the Manley Billet I Beam rods. The set was originally made from a set of offset Chevy rods and have a set way the get installed. The newer ones are4.6/5.4 specific and can be flip flopped.

 

[JoshK]

My bearings look just like swflastang05s. They are offset. They are also marked upper and lower. This is where I went wrong, I didn't pay attention to the offset of the bearings or the upper vs lower when installing them. This is a very embarrassing and expensive mistake. I can't believe I got in such a hurry doing such a task

 

[JoshK]

Rod cap with upper bearing in it...



Rod cap with a lower bearing in it. Changes the offset to the other side.



Here are the upper and lower next to each other. You can see how the bearing clocking notch offset is different. With the right bearing in the correct place, the notches need to be on the same side (at least I had the right)



Welcome to engine building 1.01 Dammit

 

[05stroker]

Why don't we all four post our bearing part numbers.
Here are mine, the pic is genarric though.

http://m.summitracing.com/parts/cle-cb745hnk

 

[05stroker]

Those are my new bearings that I have never used though. I will check my old ones and the rod install of my old setup this weekend.

 

[JoshK]

Here are mine Billy. Looks to be the same part # as yours except for the "k" on the end

http://m.summitracing.com/parts/cle-cb745hn

 

[go302]

Just so I don't have to tear my shit back apart, this doesn't matter on stock stroke kelloggs, right?

 

[BruceH]

Just so I don't have to tear my shit back apart, this doesn't matter on stock stroke kelloggs, right?

Nope. The stock stroke cranks use a standard modular bearing. Stroker cranks use either Honda or small block chevy bearings.

All I can remember about mine are that they were Speed Pro and iirc they had a "CH" at the end of the part number. 7645 or something like that, lol.

 

[BruceH]

Sealed Power Duroshield Competition Series Rod Bearings C87065CH

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Rod Bearings, Duroshield Competition Series, Standard Size, H-14, Chevy, 283, 327, Set of 8
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• Additional Info
  • Check Application
    Application Specific Part
  
  
  
• Overview Brand:Speed Pro
  Manufacturer's Part Number: C87065CH
  Part Type:Rod Bearings
  Product Line:Sealed Power Duroshield Competition Series Rod Bearings
  Summit Racing Part Number:SLP-C87065CH
  Bearing Usage: Performance
  Bearing Material: Duroshield coated alloy, H-14
  Dowel Pin Hole: No
  Chamfered Bearing: Yes
  Grooved Bearing: No
  Quantity: Sold as a set of 8.
  
  

Pretty sure this is what I used. I kept the box around so I'd know what I used but I can't find the box right now.

 

[05stroker]

Here are mine Billy. Looks to be the same part # as yours except for the "k" on the end

http://m.summitracing.com/parts/cle-cb745hn

The K means mine are coated.

 

[swflastang05]

Mine are King Bearings #CR 803HPN (SBC)

http://www.summitracing.com/parts/kgb-cr803hpn

 

[JoshK]

Anyone care to chime in on piston rings? I had moly rings in the engine the last go around and that definetly could have been a contributing factor to the engine failure. Trying to decide which to use.

 

[BruceH]

Like we talked about the only ss rings that I've heard good feedback on were "Fire Rings". They will require a special hone and will require a motor teardown at 30k because of how hard they are on the cylinder walls.

 

[eighty6gt]

I don't think 12 psi is very hard on things. Maybe 25 you'd think about steel rings.

Good for selling parts.

 

[JoshK]

I was running 18ish lbs of boost. Last two dyno runs were at 22-23lbs.

 

[swflastang05]

I'm running Manley 46620ST-08 Steel Rings, as recommended by L&M Engines. Michael told me candidly one time "moly rings have no business in any boosted engine."

http://www.summitracing.com/parts/man-46620st-8

 

[05stroker]

I'm running Manley 46620ST-08 Steel Rings, as recommended by L&M Engines. Michael told me candidly one time "moly rings have no business in any boosted engine."

http://www.summitracing.com/parts/man-46620st-8

I am back with SS rings this round. Same as you, except .030. 46630ST-8

 

[JoshK]

So essentially the two sets of rings I listed above are the same rings? One set is Manley and the other ModMax is all?

I will have to search and see if I can find the rings you guys posted on summit since they seem a bit more affordable on there.

Edit. You guys are talking about the same Manley rings I have above. Looks like rings are another thing they like to up the price on for the big bore.

http://m.summitracing.com/search?keyword=Manley 46670st