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Introducing the new PerformaBuilt Level 3 - Plus 4L6XE

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Old 05-01-2013, 04:29 PM
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Default Introducing the new PerformaBuilt Level 3 - Plus 4L6XE

Introducing the new Level 3 - Plus 4L6XE

This unit contains all of the usual Level 3 components listed below and at http://performabuilt.com/level-3.html plus the added items at bottom of page.

Our INVINCIBLE series is our Extreme offering in the 4L60 transmissions series. It’s available in the 700R4, 4L60E for LT-1, 4L60E/65E for LS1 / LSX and 4L65E.

It features all the components or our levels 2 and 3 transmissions with these upgrades for added Strength and Durability. (Nothing but the best):

Modified Reinforced OEM style five (5) pinion planetary gear set with a grooved sun gear for improved lubrication



Specially prepared performance input drum assembly (updated to the SONNAX Smart-tech drum)




Molded seal steel pistons



Raybestos composite forward frictions

A set of 8 RAYBESTOS STAGE 1 PERFORMANCE clutches with full thickness steels for High Impact Durability and Super Hold on the 2-3 shift (Upgraded to 10 with- the SONNAX drum)



Borg Warner 29 element dual cage sprag assembly, the strongest available
The BEAST sun shell, considered unbreakable and will withstand the abuse levied in high horsepower extreme torque situations



Ultra wide carbon composite 2-4 performance band with reinforced pin area to prevent tear through along with a new reverse input drum ( BAND DRUM ) .This band will take the abuse and the heat.

SUPER HOLD BILLET SERVO for maximum second gear hold (It also limits 3rd gear 3-4 clutch accumulation to aid in the 3-4 clutch apply)




Sonnax Dual Piston Overdrive Servo (with the wide Carbon band to stand WOT overdrive if your PCM is set up to allow it)



A Thirteen (13) vane pump with hardened rings and a full-time lube modification which assures maximum planetary life and cooling




PerformaBuilt custom shift kit, a compilation of what we consider to be the best of several known kits and some unique modifications of our own (L3 plus unit gets a Modified Transgo HD2 kit)




Deep OEM pan and performance filter (Deep pan not available on the 700r4 unit)


In addition this unit comes with a billet output shaft,



It also features the Sonnax Smart-Tech input drum, and the Sonnax Heavy Duty 2-3 shift valve.



The Sonnax Smart-tech drum also allows for more frictions in the 3-4 clutch set (a common failure point in the 4l6x series transmissions).
More about these additions below!






Total price for this is $4835 shipped to any place in the mainland USA. It is not listed as a separate unit on our website however during the order of the level 3 you will have a drop down option to upgrade to this unit or you can order by phone.


This unit also features many other proprietary modifications and is the finest offering to date.
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Old 05-02-2013, 07:53 AM
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Looks amazing guys. What would the 4l6XE be rated at?
Old 05-02-2013, 04:45 PM
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Originally Posted by Blackpanther99
Looks amazing guys. What would the 4l6XE be rated at?
I know that a lot of builders don't like to make HP/Torque claims. For one thing Turbos and Superchargers build power more gradually than Nitrous; the 4L60E is much more forgiving of gradual power buildup.

I have spoken to a bunch of builders (other than Performabuilt) that have been successfully testing similar builds with the Smart-Tech drum (with 9 or 10 frictions) and billet input and output shafts in trucks with Super/Turbo charged engines in the 750HP range. And yes, they are going to be $4000+ from any vendor.
Old 05-03-2013, 07:07 AM
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Just got back from Sonnax and a tour of the production facility..

That drum and the engineering behind it is second to none.
Old 05-04-2013, 11:02 AM
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Originally Posted by Revmax
Just got back from Sonnax and a tour of the production facility..

That drum and the engineering behind it is second to none.

Yes its a very impressive piece.
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Old 05-04-2013, 01:18 PM
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why a beast shell instead of a sonnax smart shell ?
Old 05-04-2013, 05:02 PM
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Originally Posted by sjsingle1
why a beast shell instead of a sonnax smart shell ?

Mostly because we have not had much experience with the smart shell but have had excellent results with the beast shell. However you can choose the smart shell in this build if you like.
Frank
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