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Thread: Anyone know about Quadco Output shafts?

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    Forum User Not Verified Feedback Score 3 (100%) Sin'sVr4's Avatar
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    Anyone know about Quadco Output shafts?

    I am Going to buy a new output shaft and was wondering if anyone new how these are compared to the 300M ones? I need to buy one in the next day or so and need some input asap. Whats the difference?


    Mike

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    Man vs 3/S verified Feedback Score 6 (100%) R/T93's Avatar
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    I cant find much on quadco, This is all I found that would be able to quantify any details.

    "X-R (quadco) Special is a superior substitute for 8620, 4140, 4340 and 6150"

    300m steel is, "300M is a low alloy, vacuum melted, steel of very high strength. Essentially it is a modified AISI 4340 steel with silicon, vanadium and slightly more carbon and molybdenum. 300M has a very good combination of strength at 1930–2100 MPa (280-305 ksi), toughness, fatigue strength and good ductility. It is a through hardening alloy."

    So quadco is a "superior substitute" to 4340 and 300m is a modified 4340. 280-305 ksi is nothing to sneeze at though, very tough.
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    so what does that mean? Would i be safe going with that shaft with 500 hp?

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    You wouldn't break either shaft with any amount of horsepower...


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    Man vs 3/S verified Feedback Score 6 (100%) R/T93's Avatar
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    Yeah I dont think anyone has broken 300m shafts, and I dont think they are going to be breaking quadco shafts or spools, either.

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    From what I've heard, Quadco is stronger than 300m and does not rust as easily as the 300m shaft.

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    Now with more poop-smear Not Verified Feedback Score 8 (100%) IPD's Avatar
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    Quote Originally Posted by R/T93 View Post
    Yeah I dont think anyone has broken 300m shafts, and I dont think they are going to be breaking quadco shafts or spools, either.
    not the shaft. 300m axles, maybe, but not 300m output shafts.

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    well, I was going to order this and the site was double charging me? wtf?

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    Born To Build Feedback Score 0 Bluejediz's Avatar
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    Where are you ordering from?
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    from here. XP Automotive

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