Tranny Question
Tranny Question
Postmaster
Joined: Nov 2002
Posts: 3,447
Likes: 1
From: Littleton, CO
Depends on what you want in the end... One thing to consider is that I believe the final gear ratio is still going to be 1:1, so you are not picking up a final gear reduction or OD situation.
Just a thought, --Mike
Just a thought, --Mike
Laughing Gas
Joined: Apr 2001
Posts: 1,191
Likes: 4
From: West Union, OH USA
I know that this is your question, but don't some of those '80's 4spd shifters crook differently than the old ones? Would this hit the dash? I guess they could be swapped if they're both the same type 4spd.
Elder User
Joined: Dec 2003
Posts: 633
Likes: 1
Might want to take a look at the driveshafts too... some trannys are splined on the output and need a yoke and single driveshaft - other trannys have outputs that are "a yoke" and have a 2 piece driveshaft that is splined- main point being you need a splined connection somewhere to absorb the changing length that occurs when the ol rearend goes bouncing from potholes, etc.
Post Fiend
Joined: Sep 2004
Posts: 5,231
Likes: 1
From: Near Fresno, California
Don't give the floor shifter a second thought - they bend as needed. Just heat it with a torch, and bend away. It is not hard to change where the shifter ends up when in the different gears. You want it where first and third do not hit the dash, and second and forth do not hit the seat.
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Fleet Owner
Joined: Jun 1999
Posts: 24,552
Likes: 74
From: Creedmoor, North Carolina
boogity, Unless you have some big need to tow or pull, you will gain nothing. Most use second gear to start and with a final ratio 1 to 1, you still have a 3 spd.
John
John
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Senior User
Joined: Aug 2003
Posts: 257
Likes: 0
From: Oceanway
so all i would have to do is swap out the trannys?? i like the thought of having the granny, and it has a brand new clutch. im tired of fiddiling with my shifter that seems like no matter what its going to be backwards. and ill have to change my clutch soon anyways.
Post Fiend
Joined: Sep 2004
Posts: 5,231
Likes: 1
From: Near Fresno, California
Yes, it is likely to be that easy, but as others have said you need to look and make sure what you are getting into with the crossmembers and driveshaft. If you will post the year and model of your truck and the year model of the donor truck maybe someone can give a better answer.
Also, on some trucks (67 and up, to my knowledge) the transmission hump is different - you would need to bolt a 4 speed hump in as it is a few inches deeper (taller?). In any case you will need to cut a hole in your floor and mount a rubber boot around the bottom of the shifter.
It is a change I would make in a heartbeat -
Also, on some trucks (67 and up, to my knowledge) the transmission hump is different - you would need to bolt a 4 speed hump in as it is a few inches deeper (taller?). In any case you will need to cut a hole in your floor and mount a rubber boot around the bottom of the shifter.
It is a change I would make in a heartbeat -