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Help Identifying rods

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TimF

10+ Year Contributor
823
5
Mar 14, 2011
Aurora, Illinois
I recently purchased some rods for a very cheap price but the seller had little information about them. He told me they came out of a 6 bolt block, and have not been used and he is going a different rout with the build and had no use for them. I know they are I beam and are thicker than stock 6 bolt rods ( in pictures) I have yet to measure them and I am stopping by a machine shop to see if I can get them weighed. they have no marking or stamps and I want to try and figure out what they may be and how much hp they may handle
 

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They're awful short if he's comparing them to 1g rods in the picture #4.
 
The 1g rods are one the pistons still which pushed them up at angle I think making them apear to be different lengths. Holding them up visually they seem identical in length but I will actually measure them whem I got time. I stopped my a machine shop on my way to work and he said he did not have a way to weigh them but using my scale at work the came to 1.45 lbs which equals 657 grams (bolts included) seemed kind of heavy. I don't know if the scale is off on weight but they are all measureing 1.45. I am leaning towards corrillo A beams also
 

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Rod length 150 mm (center of big bore to center of wrist pin,
wrist pin 22mm
big bore 48mm
655 gram a rod
read about those Howard rods it's seems pretty spot on I will contact map performance and see if they can verify
 
Confirmed by map they are their rods. Thanks for steering me in the right direction guys. I am excited I got a deal on them
 
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