65 cuda gear set changeout - need help

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    Author Topic: 65 cuda gear set changeout - need help  (Read 3932 times)

    Offline leodavinci

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    65 cuda gear set changeout - need help
    « on: April 15, 2005 - 10:32:35 AM »
    I've got a 65 barracuda, 273 v8 and what i believe is a 2.67(?) gearset in the rear.  This is a great gear set to get groceries, drop the kids off at soccer and effectively get you ass handed to you on the drag strip.... soooo, I'd like to do a gearing switchout.  I've got the factory Hurst 4spd and would like to move up to high 3's.  I want to still be able to cruise it, but I also want to transfer some power to the ground. 

    I've never replaced a gear set, but have done tons of motor work.  Can anyone give me the basics?  And does anyone have a line on a gear set that would work for my cuda?

    thanks,
    leodavinci
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    Offline OUTLAW

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    Re: 65 cuda gear set changeout - need help
    « Reply #1 on: April 15, 2005 - 10:44:08 AM »
    on my site I have a bunch of "how -to on your differential " if you want to check them out they are here

    http://sybertek.us/moparsa2e/viewforum.php?f=18
    if you have trouble the addy is under my sig also

    not knowing your car, I asume it is stock to stock optional. In which case you would prob want to go to 3.91 gears  so it stays long distance cruisable if that isnt  a prob I like 4:30 and 4:44(hard to find the 4:44 are ) lots of people think the 4:10-4:30 are a little low for the street (I runn 4:88 to 5:13 on street but I dont go far from town either with them )
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    Offline leodavinci

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    Re: 65 cuda gear set changeout - need help
    « Reply #2 on: April 15, 2005 - 10:52:00 AM »
    I'll check your site out for sure... thanks.  This cuda is a weekend stoplight car with a couple of yearly 100-200 mile trips mixed in.  I'd rather have raw power and suffer the gas bill a little on highway trips.  I've heard people talking that the 3.55 is good, but that may be only for a large block, higher torque engine as well...
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    Offline Chryco Psycho

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    Re: 65 cuda gear set changeout - need help
    « Reply #3 on: April 15, 2005 - 11:11:51 AM »
    if it is the * 3/4 diff with the drop out front carrier , you need to remove the brake drums , undo the 5 bolts that holt the axle retainer , slide out the axles , drop the driveshaft & undo the 10 bolts holding the carrier & remove it with a jack , it is heavy , reverse the proceedure , & reset the axle end play , there is a threaded collar on the right axle you want to tighten it until there ios .008 -.018 end play 
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    Offline dilligaf

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    Re: 65 cuda gear set changeout - need help
    « Reply #4 on: April 15, 2005 - 05:02:19 PM »
    Quote from: leodavinci on April 15, 2005 - 10:52:00 AM
    I'll check your site out for sure... thanks.  This cuda is a weekend stoplight car with a couple of yearly 100-200 mile trips mixed in.  I'd rather have raw power and suffer the gas bill a little on highway trips.  I've heard people talking that the 3.55 is good, but that may be only for a large block, higher torque engine as well...
    I am considering a change too so also am curious on others thoughts of the 3:55.
    I have 3:23 now, and she kicks out pretty damn good, but who doesn;t want just a little more.
    Town cruising, and like you said the rare 200 mile trip. 4:10 is to dreastic for my use.
    dilligaf
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    Offline Chryco Psycho

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    Re: 65 cuda gear set changeout - need help
    « Reply #5 on: April 15, 2005 - 05:15:10 PM »
    3.55 is a great gear especially for a small block  :thumbs:
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    Offline 1973challenger360

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    Re: 65 cuda gear set changeout - need help
    « Reply #6 on: April 15, 2005 - 05:55:24 PM »
    Is that a 7 1/4 or 8 3/4 ?              Lets See some pictures love the 65's  :thumbs: Is is a formula S
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    1965 barracuda. Was 273/2 904 car had 440 360 in plans
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    Offline leodavinci

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    Re: 65 cuda gear set changeout - need help
    « Reply #7 on: April 18, 2005 - 12:13:51 PM »
    Nope, not a forumla S, but looking to switch out intake manis to a 4bbl with a new holley, headers and dual ex.  It's completely cherry and completely stock at this point...
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    Offline 1973challenger360

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    Re: 65 cuda gear set changeout - need help
    « Reply #8 on: April 19, 2005 - 04:08:06 PM »
    Just my 2cents but it needs American Racing center line look alike or a set of small bolt pattern rally's.
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    1965 barracuda. Was 273/2 904 car had 440 360 in plans
    1996 Dodge 1500 ST 5.2 Np3500 4x2 club cab short bed

    2008 Veracruz AWD Limited     I pay she drives

    Offline dilligaf

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    Re: 65 cuda gear set changeout - need help
    « Reply #9 on: April 22, 2005 - 12:27:12 PM »
    Quote from: Chryco Psycho on April 15, 2005 - 05:15:10 PM
    3.55 is a great gear especially for a small block  :thumbs:
    Hi CP,
    I talked to our gear dude in town here, and explained I wanted to go from the 3:23 to the 3:55 and he said there would be so little difference it would not really even be noticeable. What do you think?
    It is/will be used fo kicking around on the street here, and the odd 300 mile run (once a year)
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    2 1974 'Cuda's
    1 1973 Challenger

    Offline Chryco Psycho

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    Re: 65 cuda gear set changeout - need help
    « Reply #10 on: April 23, 2005 - 02:32:17 AM »
    you will feel it
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