Classic Mustangs (Tech) Technical discussions about the Mustangs of yester-year.

Standard shift vs auto?

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Old Aug 3, 2009 | 07:39 PM
  #1  
soonerbills's Avatar
soonerbills
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From: Oklahoma
Default Standard shift vs auto?

Besides the pedals is there a difference between an auto and a manual shift 71-73 'Stang? Please be as specific as can as I am looking to convert a 73 from auto to manual.
Thanks,
soonerbills
Old Aug 3, 2009 | 08:41 PM
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2+2GT
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Sure- you need the change the engine rear cover, bellhousing, flywheel, clutch assembly, clutch linkage, shifter, pedals, shifter boot, speedo cable if you go 4-speed, speedo gear regardless, and you may need to alter the driveshaft. Personally, I'd use a T5 5-speed.
Old Aug 3, 2009 | 08:52 PM
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BeastMachine67
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installing that third pedal is not fun at all...but totally worth it if you enjoy driving stick shift!!
Old Aug 3, 2009 | 08:55 PM
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soonerbills
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From: Oklahoma
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Appreciate the response. Is the floor board sheet metal constructed differently?
Also what about the crossmember.
I am looking at a 5 or 6 speed as the car I am working on is a Mach1 it was totally stripped for all parts years ago after being wrecked...and I mean stripped!!! I can do pretty much what I want as it will never be original anyways.
Old Aug 3, 2009 | 09:40 PM
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The floor pans are the same everything you need to change it over is bolt on stuff.Talk to http://www.moderndriveline.com/ he sells everything you need even a new clutch pedal.
Old Aug 4, 2009 | 03:41 PM
  #6  
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soonerbills
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That's a great site! Thanks for the link. Has any one have info on the Tremtech 6060?
Can it be mated to a 351?
Old Aug 4, 2009 | 04:27 PM
  #7  
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1971mach1
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I think you mean Tremec TKO-600, great transmission.
It bolts right up to a 351C, with the correct bellhousing.
The big problem is finding a clutch peddle for a 71-73,
good luck on your search.
Old Aug 4, 2009 | 05:25 PM
  #8  
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soonerbills
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Yeah, I had the name wrong it is a Tremec but the model is right, it is a 6060. They are 6 speed tranys and I see them in mustangs and vettes last year and this.
I don't know too much about them and though pricey I hear they can take some serious HP.
Old Aug 4, 2009 | 10:08 PM
  #9  
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I think your thinking of a t56 but talk to that guy on that site he can sell you a kit to bolt any tranny in your car.
Old Aug 5, 2009 | 10:32 AM
  #10  
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1971mach1
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Trans strength is usually measured in torque not HP.
A TKO-600 is rated for 600ft/lbs, that's much more than any 351 could deliver.
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