and the Bumpside Forum. 
tranny swap
Lead Driver
Joined: Jul 2011
Posts: 8,679
Likes: 191
From: On the Edge of the Desert
Depends on what you have and what you get.
There are better options. The top loader isn't well suited to a truck. Especially if it sees any kind of truck duty.
Other's will chime in soon with better info.
There are better options. The top loader isn't well suited to a truck. Especially if it sees any kind of truck duty.
Other's will chime in soon with better info.
Lead Driver
Joined: Apr 2011
Posts: 6,399
Likes: 40
From: El Dorado, Arkansas
T-10 and Top-Loader are two different 4-speed manual transmissions. --there was also a Top-Loader 3-spd. manual transmission.
The T-10 has a bolt-on side cover that also houses the levers for the shift forks.
The Top-Loader 4-spd. (which is a Tremec T-170) is a stronger transmission since the only purpose of the stamped steel top cover is to keep the gear oil contained and is how the transmission internals are installed/removed --thus were it got the name "Top-Loader." The shift levers on the side of the Top-Loader transmission stick out through the cast iron case housing. --much stronger design than the T-10.
The T-10 has a bolt-on side cover that also houses the levers for the shift forks.
The Top-Loader 4-spd. (which is a Tremec T-170) is a stronger transmission since the only purpose of the stamped steel top cover is to keep the gear oil contained and is how the transmission internals are installed/removed --thus were it got the name "Top-Loader." The shift levers on the side of the Top-Loader transmission stick out through the cast iron case housing. --much stronger design than the T-10.
Tuned
Joined: Dec 2004
Posts: 340
Likes: 8
From: Rock Hill, SC
I did the swap to the T-10 years ago. The clutch and pressure plate were OK. The bell housing had bosses cast in it for the narrower T-10 bolt pattern so I just drilled and tapped them.
The output yoke spline is the same, but the drive shaft had to be shortened.( the T-10 I used came from a '64 Galaxie 500 so others may have a shorter tail shaft)
The rear transmission mount and cross member for the 3-spd fit the T-10 as well.
I had to rig a micro switch and mount to have the back up lights work.
The only problem I had was the ratio difference. The 3-spd probably has a 3.40 first gear and the 4-spd is around 2.84 or 2.88 i can't remember. I dropped the rear diff from the 3.50 to a 4.10 soon after the swap.
I hope this helps.
The output yoke spline is the same, but the drive shaft had to be shortened.( the T-10 I used came from a '64 Galaxie 500 so others may have a shorter tail shaft)
The rear transmission mount and cross member for the 3-spd fit the T-10 as well.
I had to rig a micro switch and mount to have the back up lights work.
The only problem I had was the ratio difference. The 3-spd probably has a 3.40 first gear and the 4-spd is around 2.84 or 2.88 i can't remember. I dropped the rear diff from the 3.50 to a 4.10 soon after the swap.
I hope this helps.
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New User
Joined: Jun 2016
Posts: 4
Likes: 0
I am doing a restoration on the truck and I am building the motor and stroking it to a 347and will be pushing between 475 and 500 hp and if possible I would like to keep the stock set up
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Lead Driver
Joined: Jul 2011
Posts: 8,679
Likes: 191
From: On the Edge of the Desert
Your logic makes no sense to me.
"Build big mean motor, want to keep it stock"
You're gonna run into problems with that amount of power and ANY stock transmission.
"Build big mean motor, want to keep it stock"
You're gonna run into problems with that amount of power and ANY stock transmission.
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Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
Likes: 785
From: Simi Valley, CA
Borg-Warner T-10's were only installed in Ford/Merc, Chevy/Pontiac/Olds/Buick, AMC & Studebaker Passenger Cars.
Fleet Owner
Joined: Dec 2009
Posts: 20,678
Likes: 82
From: NorCal
A torquey engine should be the goal.. that's what gets it off the line. HP is more about high RPM use and these rigs are as aerodynamic of not just the barn door but the entire barn.
Just put a 4-speed shift ball on one of these....
.
Lead Driver
Joined: Aug 2003
Posts: 7,592
Likes: 10
From: **** hole San Jose ca.
Orich
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New User
Joined: Jun 2016
Posts: 4
Likes: 0
Hey guys thanks for the info I have another question I know that my 302 was ext.balanced at 28oz and 50oz and that the 28oz was early years model but what was the beginning year and the year it changed to50oz
Fleet Owner
Joined: Dec 2009
Posts: 20,678
Likes: 82
From: NorCal
1981 or 1982... Depends on the info source.