Smallblock, marking of internal parts
#596597
01/28/10 03:16 PM
01/28/10 03:16 PM
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Joined: May 2005
Posts: 41 Denmark, Aeroe
Moparbil
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Denmark, Aeroe
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During disassembly I noticed that the numbers stamped on the side of con. rods did not match ther actual position, acording to the corresponding piston. I have seen it before in another Mopar engine, and thought it has been assembled wrong. But this engine has never been opened before I belief. Did chrysler not take much care about these internal markings ? Also the rods do not exact look like each other, however they all have the casting no 3418645 Anyway, if con rods are reconditioned with new bearings and V groove is positioned correct it does not matter so much with the numbers, or what? The bearing bore is camfered the same amount on both sides as far as I can see. Any comments
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Re: Smallblock, marking of internal parts
[Re: buildanother]
#596601
01/29/10 04:35 AM
01/29/10 04:35 AM
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Joined: May 2005
Posts: 41 Denmark, Aeroe
Moparbil
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Quote:
If they are numbered 1 through 8, they must have been out of there at some point if not in correct cylinders.
Four of them are stamped with figure 4 ??
It is always difficult to judge, but I am pretty sure it has never been opened.
360 rods do not have offset and are camfered the on both sides. So if matched cap and rod is installed with respect to oil V groove pointing at opposite cylinder , it does not matter where on crankshaft it is positioned. Right ?
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Re: Smallblock, marking of internal parts
[Re: Moparbil]
#596602
01/29/10 09:19 AM
01/29/10 09:19 AM
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Joined: Aug 2005
Posts: 11,543 chicagoland,usa
buildanother
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I Live Here
Joined: Aug 2005
Posts: 11,543
chicagoland,usa
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As long as the caps match the rods, and have not been switched, thrown in a bucket etc, than it really is not an issue. I just had a 360 apart and I think there is an offset on the rods, as the one I had apart had some rods flipped around, and a couple of the rods were not even close to center at piston-wrist pin area. Those were actually making slight contact with piston. Somebody butched that one up. IIRC the big and small mopars have bearing lock tabs facing outside of engine at each bank, when installed right.
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