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Old 08-11-2018, 04:06 PM   #1
Blackbart72
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Join Date: Jul 2012
Location: Rio Vista Calif
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Question Turbo 400 to 4L80E swap

I have a 1972 SB FS.
Will I need to change from a small hump to a large hump to accommodate the 4L80E transmission?
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Old 08-12-2018, 08:21 AM   #2
ZEKE68
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Location: Space Coast, Florida
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Re: Turbo 400 to 4L80E swap

Can't tell you for sure, but I installed a 4L80E in my low hump. Tightest place is in the back on top just before the tail shaft. Where it is about 3/4" clearance.
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