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Manley Billet 100mm crank - Cracked

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Old May 24, 2018, 12:23 AM
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Yes. Just the #4. Thanks!
Old May 24, 2018, 10:01 AM
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Does anyone know someone that uses the Magnus Motor Sports 100mm crank? Never heard it mentioned anywhere on this site. I have billet 100mm Manley and if there is ever a problem that is where I was looking to head next.
Old May 26, 2018, 04:36 PM
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Callies crank looks nice. I don't know if they're any better than Manley.
Old May 26, 2018, 08:03 PM
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Originally Posted by ineedboostman
Does anyone know someone that uses the Magnus Motor Sports 100mm crank? Never heard it mentioned anywhere on this site. I have billet 100mm Manley and if there is ever a problem that is where I was looking to head next.
i was told they dont make it any more when I asked Curt Brown about it.
Old May 26, 2018, 08:05 PM
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Old May 26, 2018, 08:08 PM
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Oil port looks the same. Did they just smooth the port out internally?
Old May 26, 2018, 08:17 PM
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I'm guessing they haven't released the updated version yet and are still testing it.
Old May 26, 2018, 08:21 PM
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Crank was manufactured in 12/17 according to paperwork.
Old May 26, 2018, 08:23 PM
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Originally Posted by 2006EvoIXer
Oil port looks the same. Did they just smooth the port out internally?
ideally a better solution would be a steeper angle that results in a thicker cross section where it cracks.. IMO

Originally Posted by ayoustin
I'm guessing they haven't released the updated version yet and are still testing it.
Well - This one is going for balancing.. and word has it.. they are not balanced from the factory..

i'll know in 4 days
Old May 27, 2018, 05:27 AM
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Doesn't matter what they do to the oil port, still Chinese junk *** steel
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Old May 27, 2018, 05:29 AM
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Originally Posted by xRoguex
Crank was manufactured in 12/17 according to paperwork.
But manufactured by some mongrel using the cheapest steel they bid on that month
Old May 27, 2018, 07:40 AM
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Originally Posted by CBRE
Doesn't matter what they do to the oil port, still Chinese junk *** steel
Yes, but the fracture appears to be from oil port design. What alternatives are out there that are not made from Chinese steel?
Old May 27, 2018, 07:40 AM
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Originally Posted by CBRE
Doesn't matter what they do to the oil port, still Chinese junk *** steel
You do realize that most big names in engine internals has their products made in China or Taiwan and they finish machine them in the US. Eagle, K1, Manley, Scat, Crower, BC, Wiseco, cast/forged in Asia.

The only exception are companies like Winberg who's cranks cost $3k. Oliver and CP-Carrillo are the only ones I'm aware of that don't source castings and forgings from Asia for rods and pistons.
Old May 27, 2018, 07:47 AM
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Originally Posted by xRoguex
Well - This one is going for balancing.. and word has it.. they are not balanced from the factory..

i'll know in 4 days
Balance and micro polish...hopefully this will live longer and stronger for you.

Last edited by 2006EvoIXer; May 27, 2018 at 11:27 AM.
Old May 27, 2018, 10:29 AM
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Originally Posted by ayoustin
You do realize that most big names in engine internals has their products made in China or Taiwan and they finish machine them in the US. Eagle, K1, Manley, Scat, Crower, BC, Wiseco, cast/forged in Asia.

The only exception are companies like Winberg who's cranks cost $3k. Oliver and CP-Carrillo are the only ones I'm aware of that don't source castings and forgings from Asia for rods and pistons.

Manley I beams are made here, I used Carrillo in my personal build and always recommend them, Chinese made parts should not be used in any internal combustion engine. As far as cranks OEM or Callies cranks, I refuse to use or recommend Manley junk.

Taiwan has better quality control by a long shot over China!


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