break in on new th400 and 4000 stall

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05-16-2014, 08:47 AM

jt_2002_ta

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break in on new th400 and 4000 stall

Hey guys just wondering how many miles do I need to put on it before I go all out and footbrake launch it?

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05-16-2014, 01:06 PM

brokenfly

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seems right off the trailer for most.

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05-16-2014, 01:21 PM

Circle-D_Brian

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There's nothing inside a non lockup converter that needs a break in. Just double check your fluid.

-Brian

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05-16-2014, 05:39 PM

NorthTexasConverter

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No break in needed for the transmission as well.

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05-16-2014, 07:42 PM

ZONES89RS

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I am going to break in my circle D converter and fresh 4L80 by hitting it with all motor passes, making sure traction is there, then throw some nitrous at it. Lol

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