Flexplate help...

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May 22, 2016 | 07:14 PM

nicke

Thread Starter

Launching!

Joined: Jul 2012

Posts: 207

Likes: 8

From: Spokane, WA

Flexplate help...

Hey gents
I am going to be running a 2014 L99 6.0 engine and a 2000 4L80e.
I think the L99 was originally mounted to a 4l60e (not sure though) and I'm wondering if I'll be able to use the flex plate that's on the engine or if I'll need to get a specific 4l80e flexplate.
Thoughts?

Thanks
-Nick

Jun 9, 2016 | 02:30 PM

nicke

Thread Starter

Launching!

Joined: Jul 2012

Posts: 207

Likes: 8

From: Spokane, WA

Anyone?

Jun 9, 2016 | 09:26 PM

slogo

TECH Resident

Joined: Apr 2014

Posts: 985

Likes: 12

Hard to say if you don't know what trans was behind it originally.
Google pictures of what you need and compare to what you have.
Some are flat and some are concave.

Jun 16, 2016 | 08:00 PM

Krom

TECH Apprentice

Joined: Sep 2006

Posts: 328

Likes: 3

if it had an 80e there will be 6 bolt holes for mounting the converter to the flex plate.
There is also a spacer on the end of the crank

heres a pic of the spacer

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