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Tremec Overdrive Transmission - Full-Size Gear-Jammin'

We Show You How To Hit The Highway With A Tremec Overdrive In A Classic Impala.

By Mike Harrington
Tremec Overdrive Remove Center Console

This Impala had a center console, so it had to be removed. The carpet was peeled back and the shift boot was removed. Thankfully this '66 SS already had a manual transmission, so hanging the third pedal was already done





Tremec Overdrive Instal New Equipment

After the removal of the old Muncie, bellhousing, and clutch, the new equipment was installed next. Even though the Impala already had those pieces, we opted to install all new parts.






Tremec Overdrive Tremec Transmission

Once the bellhousing is installed, the Tremec transmission was lifted into place for just a minute to see exactly where the new shifter would be located. After the new shifter location was determined, we knew exactly where to cut into the floor.






Tremec Overdrive Relocate Hole

Not much cutting is involved to relocate the hole for the new shifter, but it pays to check twice and cut once.








Tremec Overdrive Cut Off Wheel

A cut-off wheel should do the job in a few minutes.









Tremec Overdrive Few Inches

Just a few inches off the top and you can put the cutting tools away.








Tremec Overdrive Shift Boot

A few inches of the shift boot will also have to be trimmed.










Tremec Overdrive Special Equipment

This little piece of equipment is made only for The Classic Chevy SS Impala.








By Mike Harrington
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55Guy
Matt, because it's an Impala, pretty much any Muncie or T-10/Super T-10 will fit in your '65. Same thing for late model T-5s, T-56s, etc. I'd suggest calling AMerican Powertrain, they offer the installation kits necessary to fit a manual trans in a classic Chevy.
Matt316
does anyone know what yrs would be best to get a manual trans to fit in mt 65 impala
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