T86 Overdrive
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More Turbo
Joined: Jun 2020
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T86 Overdrive
I have come across two items and have made them different threads. I have on the table a T86 3spd with overdrive available to purchase. It came out of a 56 with a y block. I have a 66 with an FE and 3sped 3.03. Would this be a direct swap or are bolt patterns different? Are the tail shafts different lengths resulting in a driveshaft change
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Joined: Apr 2004
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T86 will have a square pattern where it bolts to the bell.
'66 FE will have a rectangular pattern for the bell to trans.
Some transmissions will accept both, but that's usually the later, wider transmissions.
It's easy to put the newer trans on the older engine. Going the other way looks to be a DIY project.
'66 FE will have a rectangular pattern for the bell to trans.
Some transmissions will accept both, but that's usually the later, wider transmissions.
It's easy to put the newer trans on the older engine. Going the other way looks to be a DIY project.
Logistics Pro
Joined: Mar 2005
Posts: 3,771
Likes: 80
From: tujunga, calif
The earlier trans will have a longer input shaft. It will also have a larger bearing retainer collar were the throw out bearing rides and needs a different throw out bearing that won't work with the 66 bell housing clutch arm. I would forget it.
Cargo Master
Joined: Apr 2001
Posts: 2,697
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From: Vancouver
There is a later T-86 (T-85 is the car type, right?) that will fit. A friend has a complete setup that was attached to a 360, in what he thinks was the last model year it was available, maybe a '68. It is a rather complicated swap.
Eric
Eric
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