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  1. #1
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    Default Identifying WC t5

    Hey guys, is there anyway to identify if your transmission is a wc t5 while it's in the car? Bought a 85 gt and wanted to see what it is.

    Thanks

  2. #2

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    That's certainly a fair question but you are aware, the "WC" designation had nothing to do with strength, right? Even the 2.3 T5 was a WC. Granted with different gear ratios but still the same WC T5 designation. The first WC T5s had the exact same torque rating as the non WC. They did eventually develop the transmission further and rated it higher but a first year WC has the same torque rating as the last year non WC did.
    Last edited by homer302; 10-09-2018 at 06:45 PM.

  3. #3
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    Quote Originally Posted by homer302 View Post
    That's certainly a fair question but just so you are aware, the "WC" designation had nothing to do with strength, right? Even the 2.3 T5 was a WC.
    Edit, just read your updated post. So basically the wc transmission out of the 85 is no better than the nwc out of my 84?
    Last edited by Sask84gt; 10-09-2018 at 06:52 PM.

  4. #4

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    They made running changes to improve the durability of it. They even lengthened the shift throw in 1990 to keep people who were racing from shifting with so much force and breaking the shift forks. It wasn't an improvement, it was a band aid to prevent the 87-89 issue where people were busting shift forks when speed shifting. Not counting the Cobra, the "best" WC T5 has a Torx bolt on the opposite side of the transmission from the fill and drain plugs if you are strictly talking Mustangs.

    If someone has mixed and matched all bets are off. I can make a Chevy S10 T5 fit your 5.0. The AMC Eagle came with a T5. The strongest was the 87-93. That is the strongest (still weak 300lb ft) rated commonly available Ford T5. Again. Cobra aside.

    A 1985-86 T5 would have the standard bolt instead of the Torx and still be a WC but that's not really relevant. They were no stronger than the non WC anyway.

    Apparently even the Chevette came with a T5, LOL.

    Main Case CASTING NUMBERS:
    13-52-065-001 Early NON-WC such sd 1982 Chevette
    13-52-065-003 Early NON-WC S-10
    13-52-065-903 82-83 NON-WC GM
    13-52-065-904 83-84 NON-WC Ford (Also used in Astro Mini Vans around 1986.)
    13-52-065-908 85-91 World Class Ford
    13-52-065-913 83-87 NON-WC Camaro/Firebird
    13-52-065-914* World Class 88/92 Camaro/Firebird & 93 S-10 V-6
    13-52-065-916* Newer NON-WC Camaro/Firebird S-10
    13-52-065-921 91-95 World Class Ford - With and without the reverse spring anchor
    This case is also used in some WC S-10's
    13-52-065-922* 96+ World Class Ford & GM - With and without the reverse spring anchor
    This case is used in Mustangs, Camaros and S-10s

    Tail Case CASTING NUMBERS:
    13-52-066-901 82-83 AMC NON-WC
    13-52-066-908 83-84 Ford NON-WC
    13-52-066-911 83-87 S-10 NON-WC w/mech speedo (*also some early 88 models)
    13-52-066-912 ??-?? Nissan NON-WC
    13-52-066-919 85-90 Ford World Class w/plastic vent tube (also on some 84 NON-WC)
    13-52-066-921 Mid-80's Cosworth Sierra WC
    13-52-066-922 85-89 Astro Van NON-WC w/mech speedo
    13-52-066-923 83-87 Camaro NON-WC
    13-52-066-931 88-92 S-10 NON-WC w/elec speedo
    13-52-066-933 93+ S-10 World Class w/elec speedo
    13-52-066-935 90-91 Ford w/metal vent tube
    13-52-066-936 88-95 Camaro World Class (w/speedo GEAR)
    13-52-066-939 92-98 Ford w/metal vent tube (Rubber vent tube appeared about 96)
    (later versions hid this casting number in the shifter cavity)
    13-52-066-941 ??-?? Isuzu World Class
    13-52-066-950 96-00? Camaro World Class (V6 w/reluctor type speedometer sender)
    (casting number only visible down in the shifter cavity)
    13-52-066-953 99-04 Ford (casting number only visible down in the shifter cavity)

    Top Cover CASTING NUMBERS:
    13-52-097-901 Early style plain top - Ford & GM (no neutral switch)
    13-51-097-901 85 Ford w/neutral switch on RIGHT SIDE
    13-52-097-913 86-93 Ford style w/neutral switch on LEFT SIDE
    13-52-097-917 86-93 plain top cover
    13-52-097-926 96-04 plain top DOMED cover (casting number only visible from the inside)
    Last edited by homer302; 10-09-2018 at 07:17 PM.

  5. #5
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    Default

    Ok thanks homer

  6. #6

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    Quote Originally Posted by Sask84gt View Post
    Edit, just read your updated post. So basically the wc transmission out of the 85 is no better than the nwc out of my 84?
    Yes, I am a terrible typist. So I have to go back and fix it. Correct. The Non WC has the same torque capacity as the first year WC T5. You really want a later WC T5. Heck you'll never find a Cobra box but they had the steel bearing retainer and stronger tapered bearings and carbon blocker rings and syncros. G-Force can turn your 85 WC T5 into a Cobra box if you want.
    Last edited by homer302; 10-09-2018 at 07:02 PM.

  7. #7

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    There are tags on the originally with a number that starts with 1352.

    1352-169 is the tag on the 1986 WC T5 found in the V8 cars

    having killed more T5ís that I can count off the top of my head, I can tell you that one of the most durable of the non T5Z bunch was the 1352-204. It was a ford parts replacement unit, but it was a $1800 part in 1993!! The gears were treated. The synchros were very good as long as nobody put Teflon in the transclube (oops, guilty). I killed one 150K miles. Years later I killed another reportedly new one in 10K miles.... go figure.

    D&D bought up Fordís warranty stock in the 90ís that were left over from 93 production. They got them as the 93 extended warranties came to an end. 1352-199 was the tags on them if memory serves. They put some carbon fiber mods in those transmissions and made a T5 that was rated at 315 and was very good. I had one last over 200K miles ó it put up with my endless thrashing seemingly forever and my car was cranked up on kill and running sticky tires!

    these days Iíve ended the T5 and T5Z drama. Iím just sick of it. I had a Gforce kit put in one of my 1352-169 86 T5. That will go into my 85 build. It had plenty of Astro hardware in it too, supposed to be good for 650 ft lbs.

    Helpful articles

    http://www.rosehillperformanceparts....ID%20chart.htm

    http://www.britishv8.org/articles/bo...t5-id-tags.htm


    http://www.pro-forceperformance.com/...tification.htm
    Last edited by erratic50; 10-09-2018 at 07:25 PM.

  8. #8

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    Ha. That's what I just said. I couldn't agree more. If you are concerned with strength. WC is meaningless. Call G-Force.

  9. #9

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    Get the partial VIN from the main case. That'll tell you if it's original or if not what it's from.

    I have a tag decoder here: http://foxchassis.com
    Buck Tag Decoder
    Owner Card Decoder
    Transmission Tag Decoder
    VIN Decoder

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  10. #10
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    Default

    Thanks guys, new to this so this is all good knowledge. From reading online it seemed that if it was a wc then it was automatically better than the nwc. Guess not lol

  11. #11
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    Default

    Update, talked to previous owner and the transmission is from a 88 or 89 4 cylinder mustang.

  12. #12

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    Get the VIN from the transmission and it will tell you what it's from. Even if the ID tag is gone the VIN will still be there, unless somebody ground it off the case.
    Buck Tag Decoder
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  13. #13

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    Quote Originally Posted by Sask84gt View Post
    Update, talked to previous owner and the transmission is from a 88 or 89 4 cylinder mustang.
    So it is still a WC transmission. It's just the gear ratios are not ideal for a V8 is all.

  14. #14
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    Default

    Quote Originally Posted by homer302 View Post
    So it is still a WC transmission. It's just the gear ratios are not ideal for a V8 is all.
    Yup which is probably why there is problems with it right now.

  15. #15
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    Default

    I wonder if they installed the proper pilot bushing?
    1985 ascMcLaren 5.0 SC Roadster
    My '78 Fairmont build - http://vb.foureyedpride.com/showthre...539-78-Big-Red

  16. #16
    84 Cougar, 88 HO with 700DP, Edelbrock RPM intake, 1.7 RRs, shorty's and SS exh, T-5, KC clutch, Hurst pro billet, line loc, 8.8, 4.10s, suspension mods....blah, blah,blah.

    71 Comet, 289, Liberty TL, 9", 6.00s, 11.9x @ 112.... blah, blah, blah.

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