[DeTomaso] Crane Link Bar Lifter Failure - Pictures
Paul Timko
thedrol at pobox.com
Sun Jun 13 18:32:56 EDT 2010
A picture IS really worth a 1000 words. These images really clarify
Dan's explanation.
Paul
#9270
Orville wrote:
> We just arrived back in Houston. Here are the pictures as I observed the
> lifter valley and detailed examples of individual lifter assemblies.
>
> http://www.pixclix.com/Burg/Pantera/Valley.jpg Lifter Valley. Note "missing"
> link bars.
>
> http://www.pixclix.com/Burg/Pantera/Lifters-Buttons.jpg Lifters and
> "buttons" removed.
>
> http://www.pixclix.com/Burg/Pantera/Lifter_damage.jpg Lifter Roller Damage
> after 2 dyno pulls.
>
> http://www.pixclix.com/Burg/Pantera/NoPeening.jpg Lifter with No Peening
>
> http://www.pixclix.com/Burg/Pantera/Peen-NoPeen-1.jpg Comparison of "Peened"
> versus "Not Peened" link bar buttons.
>
> http://www.pixclix.com/Burg/Pantera/Peen-NoPeen-2.jpg Comparison of "Peened"
> versus "Not Peened" link bar buttons.
>
>
>
> Orville
>
>
>
> -----Original Message-----
> From: detomaso-bounces at realbig.com [mailto:detomaso-bounces at realbig.com] On
> Behalf Of Daniel C Jones
> Sent: Saturday, June 12, 2010 10:21 AM
> To: Pantera REALBIG forum
> Cc: MikeLDrew at aol.com
> Subject: [DeTomaso] Crane Link Bar Lifter Failure
>
>
>
> Just a word of warning. We were just dyno testing a set of the Crane/FRPP
>
> hydraulic roller link bar lifters on the dyno and several of them came
> apart.
>
> We caught it while swapping out the intake for a test but a couple of the
>
> cam lobes were damaged in the process (custom Bullet hydraulic roller). We
>
> pulled out a pair from the dyno mule 351C and it's apparent what the problem
>
> is. The pins were not swedged properly and the pins backed out. On the
> good
>
> ones, the button diameter is 0.287" while the unpeened set measure 0.195".
>
> My guess is these were some of the last ones made by Crane before going out
>
> of business and were never finish machined.
>
>
>
> Dan Jones
>
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