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Old 05-11-2018, 08:53 PM
out2kayak out2kayak is offline
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I believe that the 8L90 top of the bell housing bolt was moved (to accommodate the direct injection), comparing it to the 6L80.

The 6L80 bell housing is its a full circle all the way around and not notched like earlier GM transmissions (e.g. TH350 / TH400 / etc.) are for torque converter access.

E.g. 4L80 on the right, 6L80 on the left:



I'd talk with Speartech:

http://www.speartech.com/

They do harnesses, etc.

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Last edited by out2kayak; 05-11-2018 at 09:34 PM.
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