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Flexplate Gen3 6.0 4L60E?

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Old 03-21-2018, 08:26 AM
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Default Flexplate Gen3 6.0 4L60E?
Putting a Gen3 LQ9 550hp engine and a stage 6 RPM transmission in my Bel Air. Which Flexplate should I use? Flat? Dished? does it need a spacer?

Thanks,
Keith R
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Old 03-21-2018, 10:33 AM
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Hi Keith,

You will need TCI part number 399753.
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Old 03-21-2018, 12:14 PM
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Thanks Jeremy!! Patiently awaiting my RPM Stage 6 to be delivered!!!!
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Old 03-21-2018, 12:18 PM
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You're very welcome. We will keep chipping away at your trans.

Take care.
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Old 03-21-2018, 09:05 PM
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Doesn't it matter the year of the 6.0L ? I thought some of the early ones had an extended crank flange.
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Old 03-22-2018, 07:47 AM
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Originally Posted by jetech
Doesn't it matter the year of the 6.0L ? I thought some of the early ones had an extended crank flange.
He stated LQ9 in the first post. No LQ9 were built with the extended crackshaft.
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Old 03-22-2018, 07:44 PM
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Good to know thanks !
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Old 07-02-2018, 01:35 PM
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Originally Posted by Jeremy@RPMTransmissions
He stated LQ9 in the first post. No LQ9 were built with the extended crackshaft.
Hey guys,

I'm doing this same thing.

Just to clarify. With an LQ9 (2008 model) and 4l60e, no spacer is needed when using flex plate 399753 because the spacer comes in the kit or because it doesn't need the spacer?
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Old 08-24-2018, 08:50 PM
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Originally Posted by jetech
Doesn't it matter the year of the 6.0L ? I thought some of the early ones had an extended crank flange.
1999-2000 had the extended crank..I JUST went through this on my engine swap 5.3 to a 1999 LQ4.
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