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MANLEY prone to cracking?

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Old Jul 8, 2017, 11:50 PM   #1
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MANLEY prone to cracking?

I am interested in running a survey as to those running manley cranks and having issues with cracking. Specifically 2.3 stroker cranks, but interested in all strokes. I have been seeings a few pop up. I am nearing block assembly and I want to be certain before putting it in the block.
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Old Jul 9, 2017, 01:09 AM   #2
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Manely in general has been manufacturing from china for a while, quality control will not be as high as a USA made part, this goes for the billet pieces aswell.

100mm cranks are know to crack, atleast the aftermarket ones.

I've heard of a 88mm manely billet crack aswell.

I've personally ran the 100mm billet in my car without issues. either stick with Oem 88mm, eagle 94mm and go with a 2.0 or just use a good OEM 100mm.

The best option is the 2.2, you get a very good rod/stroke ratio and can rev it up to 9-9.5k with supporting valvetrain and you also get the increase displacement.

if you are already assembling, yes the manely 100m cranks like are said are known to crack.
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Old Jul 9, 2017, 11:18 AM   #3
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Thanks for the reply. I was leaning towards a 2.2 Everything is still boxed up. I do have a 2.4 block that is good.
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Old Jul 9, 2017, 02:11 PM   #4
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Every time i read a thread here about manley its a horror story.
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Old Jul 9, 2017, 08:31 PM   #5
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Every time i read a thread here about manley its a horror story.
Thank you. I think i will be switching my plans.
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Old Jul 10, 2017, 04:42 AM   #6
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Here's the Manley out of Ronnie's (RS Motors) built engine, actually I think it was the second one to fail.
We loaned him our spare engine so he,Brandon,and Andy could finish up The One Lap of America competition.
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Old Jul 10, 2017, 09:53 AM   #7
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This is some serious bull. lol How are the gsc kits?
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Old Jul 10, 2017, 09:56 AM   #8
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Why dont you do a 2.0 long rod and use a factory crank.
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Old Jul 10, 2017, 10:53 AM   #9
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There's been PLENTY of cracked Manley cranks. Most builders won't even touch them anymore.
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Old Jul 10, 2017, 12:31 PM   #10
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Manley is prone to cranking, stay away. Only reason the turbo tuff rods are "good" is they weigh a ton, all the extra material makes them last.


If you want a good setup, Eagle cranks do very well. I would go with stock or 94mm stroke.
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Old Jul 11, 2017, 01:01 AM   #11
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Well I will report back if I find another kit to go with.
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Old Jul 11, 2017, 04:16 PM   #12
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Quote:
Originally Posted by letsgetthisdone View Post
Manley is prone to cranking, stay away. Only reason the turbo tuff rods are "good" is they weigh a ton, all the extra material makes them last.
Ok, maybe they changed it up, but I've been using my 94mm billet crank since 2014 with no issues. Just passed 30K+ miles.
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Old Jul 11, 2017, 09:09 PM   #13
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Stay away from Manley Forged. Billet is debatable.
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Old Jul 12, 2017, 10:35 AM   #14
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So who needs a 100mm stroke forged crank? Lol
manley says this crank usually let's go after 500hp and twin disk.
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Old Jul 12, 2017, 04:50 PM   #15
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Quote:
Originally Posted by fastspoolingsx View Post
So who needs a 100mm stroke forged crank? Lol
manley says this crank usually let's go after 500hp and twin disk.
I broke at 430whp and an ACT XTSS
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