4l80e to a 350 olds

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November 14th, 2013, 07:26 PM

quentinnw2

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Join Date: Apr 2013

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4l80e to a 350 olds

Thinking about going to a 4l80e tranny on my olds 350 I have a 3.42 gear because I have future plan to do a LS swap wanted to know what all will need to be done to install this transmission thanks.

November 15th, 2013, 09:13 AM

tmaleck

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Location: Austin, TX

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Quote:

Originally Posted by quentinnw2

Thinking about going to a 4l80e tranny on my olds 350 I have a 3.42 gear because I have future plan to do a LS swap wanted to know what all will need to be done to install this transmission thanks.

You'll need an adapter plate like a 700r4. Crossmember and driveshaft will need mods too. Not sure how the electrics will fit, my 700R4 is all hydraulic.
Tim