A518 Overdrive Questions

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    Author Topic: A518 Overdrive Questions  (Read 148533 times)

    Offline PlumCrazyChris

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    • Posts: 456
      • Mopar Muscle Cars of Austin
    Re: A518 Overdrive Questions
    « Reply #330 on: November 07, 2012 - 10:02:47 PM »
    Yes your kickdown stays the same with a carb.   I am using a cable from Lokar. 

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    PlumCrazyChris
    Mopar Muscle Cars of Austin
    Round Rock Tx
    70 Challenger 5.7, A518, A/C
    70 Challenger 340 convertible (Gone to Sweden)
    68 Barracuda (sold it too)
    www.mopar.org


    Offline ff6849

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    • Posts: 181
    Re: A518 Overdrive Questions
    « Reply #331 on: November 17, 2012 - 12:00:45 AM »
    Saw this modifation on moparts do you all think that this ok or I am asking for problems cutting the into the cross member this way
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    (__________]]]]]}~~~~

    73 440 Cuda'
    915 heads (mild head work, stock bottom end 10/9:1 compression)
    A518 2600-2800 Stall
    4.10 rear gear
    TTI headers with 3' exhaust with  X pipe 
    comp XE274H cam
    Hughes Roller Rockers
    Holley Sniper EFI
    Holley Street Dominator intake
    MSD ignition

    Offline 360FISH

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    • Posts: 705
    • BS23H3B567746
    Re: A518 Overdrive Questions
    « Reply #332 on: November 17, 2012 - 01:36:16 AM »
    Quote from: ff6849 on November 17, 2012 - 12:00:45 AM
    Saw this modifation on moparts do you all think that this ok or I am asking for problems cutting the into the cross member this way


    You don't need to do any of that...

    read this:  http://www.cuda-challenger.com/cc/index.php?topic=84774.0

    Don't have to touch the car...
    Logged
    1973 ‘Cuda   Semi-Pro Touring
    360 SB - 518/OD auto tranny - FAST EZ EFI - Edelbrock Fuel sump - HHR fan
    Hella H4 headlights on relays - 97 Dodge Avenger seats - Chin spoiler - Bumpers pulled in to ’72 offset

    Build: http://www.cuda-challenger.com/cc/index.php?topic=74674.0

    Offline PlumCrazyChris

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    • Posts: 456
      • Mopar Muscle Cars of Austin
    Re: A518 Overdrive Questions
    « Reply #333 on: November 21, 2012 - 12:37:59 PM »
    Thats right, you don't have to cut the car at all,  just make a new trans support crossmember.   I did use a hammer and banged a little clearance so it didn't knock on the floor, but it really wasn't mandatory.
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    PlumCrazyChris
    Mopar Muscle Cars of Austin
    Round Rock Tx
    70 Challenger 5.7, A518, A/C
    70 Challenger 340 convertible (Gone to Sweden)
    68 Barracuda (sold it too)
    www.mopar.org

    Offline ff6849

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    • Posts: 181
    Re: A518 Overdrive Questions
    « Reply #334 on: November 21, 2012 - 04:51:44 PM »
    Found one ........so it will begin I will start to gathering the parts, adapter plate (going behind a 440), rebuild kit, TC, pressure switch kit, and any other misc items. Goal is to have it done by summer.

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    (__________]]]]]}~~~~

    73 440 Cuda'
    915 heads (mild head work, stock bottom end 10/9:1 compression)
    A518 2600-2800 Stall
    4.10 rear gear
    TTI headers with 3' exhaust with  X pipe 
    comp XE274H cam
    Hughes Roller Rockers
    Holley Sniper EFI
    Holley Street Dominator intake
    MSD ignition

    Offline rb70

    • Jr. Member
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    • Posts: 145
    Re: A518 Overdrive Questions
    « Reply #335 on: November 21, 2012 - 10:36:40 PM »
    since you got a truck tranny, you will need to change the govenor, PATC told me about this and you will need to get one that is for a car. Also ,measure your driveshaft carefully, when I had mine cut, I took off about a 1/2" to much off. Also the 46rh TQ convertors are neutrally balanced.

    Good luck!!
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    Offline tactransman

    • Sr. Resident
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    • Posts: 5401
    • 1973 Challenger- Member here since April 14, 2006
    Re: A518 Overdrive Questions
    « Reply #336 on: November 21, 2012 - 10:53:27 PM »
    Quote from: rb70 on November 21, 2012 - 10:36:40 PM
    since you got a truck tranny, you will need to change the govenor, PATC told me about this and you will need to get one that is for a car. Also ,measure your driveshaft carefully, when I had mine cut, I took off about a 1/2" to much off. Also the 46rh TQ convertors are neutrally balanced.

    Good luck!!
    PATC is wrong on the governors, there is no difference. 46RH converters are not all neutrally balanced either, depends on the engine.
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    Terry-tactransman 
    Torqueflite/Automatic Transmission Specialist
    Union, Mo.
    Give a man a fish and he eats for a day,teach him to fish and he eats for a lifetime.

    Offline Adrian Worman

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    • Posts: 11
    Re: A518 Overdrive Questions
    « Reply #337 on: November 23, 2012 - 04:36:40 PM »
    Since its out and easy to service when you whip off the sump to change the filter drop the valve body and check the band adjuster wedges, I've had them break and fall onto the valve body jamming the shift comb, on these trans in Ram 250 vans before, worth an inspection : )
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    Offline 360FISH

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    • BS23H3B567746
    Re: A518 Overdrive Questions
    « Reply #338 on: November 24, 2012 - 04:33:06 AM »
    Quote from: Adrian Worman on November 23, 2012 - 04:36:40 PM
    Since its out and easy to service when you whip off the sump to change the filter drop the valve body and check the band adjuster wedges, I've had them break and fall onto the valve body jamming the shift comb, on these trans in Ram 250 vans before, worth an inspection : )

    :iagree:

    It is well worth the rebuild kit (and super easy to do) on the front end of the tranny...  maybe get some help and put in a shift kit too.  :)
    Don't mess with rebuilding the OD unit unless you know what you're doing.  dangerous.
    Logged
    1973 ‘Cuda   Semi-Pro Touring
    360 SB - 518/OD auto tranny - FAST EZ EFI - Edelbrock Fuel sump - HHR fan
    Hella H4 headlights on relays - 97 Dodge Avenger seats - Chin spoiler - Bumpers pulled in to ’72 offset

    Build: http://www.cuda-challenger.com/cc/index.php?topic=74674.0

    Offline ff6849

    • Jr. Member
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    • Posts: 181
    Re: A518 Overdrive Questions
    « Reply #339 on: November 24, 2012 - 09:47:56 AM »
    don't worry a total rebuild is in the works, and by a real transmission guy too, I am going to upgrade everything I can. I am figuring about $1000.00 kit with a 2500-2800 stall TC 
    Logged
    (__________]]]]]}~~~~

    73 440 Cuda'
    915 heads (mild head work, stock bottom end 10/9:1 compression)
    A518 2600-2800 Stall
    4.10 rear gear
    TTI headers with 3' exhaust with  X pipe 
    comp XE274H cam
    Hughes Roller Rockers
    Holley Sniper EFI
    Holley Street Dominator intake
    MSD ignition
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