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Location: Camden
Registered: July 2002
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4age Crank
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Thu, 20 January 2005 13:56
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Me and my mate were pulling apart his 4age out of his stock twincam AE82. He has had problems with the crank keyway before, so when the motor started making noises again he must of assumed it was the keyway again. What we found was a completely different problem altogether. Pics below...



Conrod:

Oil pump:

Anyone else seen a 4age crank snap in half? I definately never heard of this before.
N.B this is a 4age Bluetop, 3 rib bottom end.
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I supported Toymods
Location: Perth
Registered: May 2002
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Re: 4age Crank
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Thu, 20 January 2005 15:23

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Daaaamn willis! Thats fucked up!
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I Supported Toymods
Location: south Melbourne/KL
Registered: June 2004
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Re: 4age Crank
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Thu, 20 January 2005 18:06

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the engine could still run with some noise when the crank was in 2 pieces??
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Location: camden
Registered: September 2003
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Re: 4age Crank
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Fri, 21 January 2005 02:16

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yep i drove it bout 7kms home with the crank in two, the cylinder 2 conrod was holding it together with minimal movement back and fourth...
i couldnt believe it,
cheers
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Location: qld
Registered: December 2003
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Re: 4age Crank
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Fri, 21 January 2005 02:21

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that is f***ing good work.
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Club Member
Location: sydney
Registered: May 2002
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Re: 4age Crank
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Fri, 21 January 2005 05:25

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first one ive seen snap like that, did one of the pistons sieze??
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Location: Kita-Ku, Sapporo, Japan
Registered: January 2003
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Re: 4age Crank
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Fri, 21 January 2005 05:43

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camden huh?
would you mind if i cam over to have a look in the next few weeks (maybe weekend after next?) am curious to see just how much of it was cyclic, and what the crack starter was...
bloody nice effort tho! esp driving on it afterwards!!
you might want to get the block checked to see if the mains line up.. if journal 1 was misaligned, it could concentrate a rotating bending force on the second journal...
Cya, Stewart
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Location: camden
Registered: September 2003
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Re: 4age Crank
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Fri, 21 January 2005 13:56
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no, no pistons siezed made a fucking racket but.
stewart- nah dont mind if you come round to look at the hunk of metal.
cheers
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