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Old Dec 16, 2002 | 09:01 PM
  #1  
shifter's Avatar
shifter
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3rd Gear
 
Joined: Dec 2002
Posts: 3
Likes: 0
From: Nova Scotia
St. Jude Donor '09
Default transmission swap

Hi everyone ! This is my first posting.
I am running a 1978 L48. I love the car , runs great but rather dead at take away. Was considering some engine mods but hate to tare apart a good working motor. It has the 3 speed auto with 3o8 rear. Was wondering if anyone has swaped that transmission for one with an overdrive.
Can this trans swap be done ? Then would changing rear gears to possibly 355 help the low end get go at take away ?
Thanks for any responce !
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Old Dec 16, 2002 | 10:29 PM
  #2  
Jack71's Avatar
Jack71
Drifting
 
Joined: Sep 2001
Posts: 1,427
Likes: 1
From: Boxford Mass
Default Re: transmission swap (shifter)

Welcome to the forum!

You can put an overdrive unit in and many folks do so. Do a search in the archive for "200-4R" and "700-R4" and you'll be reading for weeks on the subject. Its a relatively expensive upgrade and more valuable for highway cruising aspect. There is an improvement in in low end too, but if thats all you're interested in a gearing change may be more economical.

Lots of good info in that archive!!! Good luck...
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Old Dec 16, 2002 | 10:53 PM
  #3  
mp77's Avatar
mp77
Racer
 
Joined: Oct 2002
Posts: 393
Likes: 0
From: texas city texas
Default Re: transmission swap (shifter)

If you just want a little off the line performance, throw in a mild stall converter. :cool:
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Old Dec 17, 2002 | 10:55 AM
  #4  
page62's Avatar
page62
Le Mans Master
 
Joined: Mar 2002
Posts: 7,456
Likes: 2
From: Coming home from Luckenbach Texas
Default Re: transmission swap (shifter)

If you do a lot of highway driving, you want the overdrive. With a 3.08 rear end, the 700r4 is the way to go. It has a very low first gear that'll launch you very nicely. If you swap to a 3.55 gear, then a 200-4r is the tranny of choice.
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