Forged Rods vs PMR's
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Posting Guru
Joined: Mar 2007
Posts: 1,425
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Forged Rods vs PMR's
I know this has been covered quite a few times here, and believe me I'm not trying to start an arguement. It's just that I stumbled on this article by accident and found it an interesting read. It goes agianst everything that we've ever thought about PMR's. I have to admit that I don't understand the technical info that's given here, but I did understand the message. Just thought I'd pass it along.
http://findarticles.com/p/articles/m.../ai_101939306/
http://findarticles.com/p/articles/m.../ai_101939306/
Post Fiend
Joined: Feb 2008
Posts: 10,977
Likes: 5
From: Lancaster, Pa.
Post Fiend
Joined: Feb 2008
Posts: 10,977
Likes: 5
From: Lancaster, Pa.
Mine too but not as soon as yours are, lol. A big congrats Joe, looking foward to the big big grin...
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Post Fiend
Joined: Feb 2007
Posts: 14,541
Likes: 2
From: Dallas-Ft. Worth
We didn't do 'em today. I went to a mod party today, but I don't want to put these in until I have the tuning issue worked out. Tony is still busy with his daughter, so I've been leaving him alone. I'm going to call him Monday to see if we can hook up to get something on my chip so I can get 'em in. I'm pretty antsy...
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Post Fiend
Joined: Feb 2008
Posts: 10,977
Likes: 5
From: Lancaster, Pa.
I hear yaa, I would be too but thats nice of yaa, beings Tony is occupied with his daughter, prayers sent again for Tony and family. I,m going hybrids too Joe, like to be able to tune-dial them in, nice..
Posting Guru
Joined: Dec 2003
Posts: 2,392
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From: NW Arkansas
We didn't do 'em today. I went to a mod party today, but I don't want to put these in until I have the tuning issue worked out. Tony is still busy with his daughter, so I've been leaving him alone. I'm going to call him Monday to see if we can hook up to get something on my chip so I can get 'em in. I'm pretty antsy...
Post Fiend
Joined: Jun 2004
Posts: 9,293
Likes: 10
From: Parker, CO
They kept talking in that article about how great the PMR's are in the 6.0L, but fail to mention why they hold up compared to the PMR's in the 7.3L. Anyone got a pic of a 6.0L PMR next to a 7.3L PMR? A side by side picture will tell the whole story.
Cargo Master
Joined: Jan 2001
Posts: 2,726
Likes: 5
From: Slatington, PA
IIRC, the reason the PMR's were crappy on the 7.3's was due to them using the same form for both forged and PMR. The PMR's weren't reinforced in the correct spots so they were actually weaker then the forged rods. Thats why they hold up just fine in the 6.0's, they had the correct design.
Hotshot
Joined: Jan 2008
Posts: 13,144
Likes: 11
From: Rochdale MA
I have to agree with you Curtis
Elder User
Joined: Nov 2005
Posts: 796
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From: North Idaho
"The connecting rod for the 7.3L engine is quite different from that for the 6.0L diesel. The 7.3 rod has a straight split on the big end while the 6.0L rod features an angle split On the small end, the 6.0L rod features teepee geometry to provide a larger bearings surface to absorb the high pressures on the underside of the piston pin. The material is a cuprous iron alloy with high carbon and a manganese sulfide additive. Copper content is approximately 3 percent."