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  1. 19-12-2006, 08:54 PM #1
    raptor_ss
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    Default 77' LX SS A9X Specs?

    Just having some trouble in locating some technical specs on the LX SS A9X. It seems that no one knows the exact specs. I'm trying to find information like the type of carboretta, compression ratio, gear ratio(s), torque, etc. I've tryed Holden but they are abit 'hush hush' about the specs. any information is welcome.

    Thanks.
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  2. 19-12-2006, 09:27 PM #2
    LX8VD69
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    i asked someone that i keep running into who owns an A9X the same question, its almost like they dont want any one to know. good luck trying to find what your looking for
    UP THE DRAGONS


    FOR SALE - LX SLR 5000 $25000, PM me if interested
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  3. 19-12-2006, 09:35 PM #3
    CK_318
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    hmmmmm, seems they like don't want anyone to know if they've got a rare holden gem sitting in their backyard or driveway, doesn't it
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  4. 19-12-2006, 10:27 PM #4
    tinkers
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    If gmh-torana forum ever gets up and running again there was a couple of threads about A9X's and some specs.
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  5. 20-12-2006, 12:01 AM #5
    Litre8
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    That's a big IF at the moment....

    But engine-wise the street A9X versions were identical to the SS and SLR5000's, L31 V8 with ADR27a anti-pollution gear (Quadrajet carb, std heads, manifolds, cam etc). They did score a thermatic fan (deleted engine driven fan), radiator overflow setup and the rearward facing scoop. For racing purposes the L34 engine was homologated.
    Last edited by Litre8; 20-12-2006 at 12:06 AM.
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  6. 20-12-2006, 12:18 AM #6
    SS Hatchback
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    I believe they also had the 3.08 and 2.6:1 diff ratio as an option and yeah they had the twin thermo or electric fan .
    http://www.aussiev8.com.au/members/s...hatchback.html

    http://s81.photobucket.com/albums/j2...t=Cruise01.flv
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  7. 20-12-2006, 10:12 AM #7
    74HJLS
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    The A9X option was all about handling, the motor was a stock L31 because they could do a lot more to the motors then, so a homologated motor was not let loose on the streets any more. As Litre8 said they had the L34 to work with and a lot more leeway for modification.
    Cheers,
    Pete.

    Old Holdens never die, they just go faster.
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  8. 20-12-2006, 07:17 PM #8
    raptor_ss
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    hmm. I read on a web site that said the engine specs were the same as a normal SS without the A9X option. But on there site they also stated that this doesnt account for the engine having more hp as a stock over the SS?

    ...Might need to research some more about the L31 and the L34.

    Thanks for that anyway.
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  9. 20-12-2006, 07:42 PM #9
    Litre8
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    The deletion of the engine drivn fan would have freed a few horsepower but they were still down on power to the pre-adr27a SS and SLR5000.
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  10. 20-12-2006, 08:18 PM #10
    SS Hatchback
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    the floor above the diff was also different to the SS for the salsbury diff, all different in the mounting points and angles.
    http://www.aussiev8.com.au/members/s...hatchback.html

    http://s81.photobucket.com/albums/j2...t=Cruise01.flv
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  11. 20-12-2006, 08:59 PM #11
    stroker355
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    in the book , How to Rebuild and Hotrod Holden v8, it says:
    A9X power figures were never released to the public as it was deemed that the public opinion would be negitive to a registered road car suitable for race team development for the race track. This was similar to the L34 high output option for the LH.
    The standard A9X engine was the blue blockwith performance heads, modified intake manifold, ignition as on the L34 high output package and an exhaust system similar to the L34 high out put package. The A9X was a better handleing car than the LH, due to radial tuned suspension.
    Touring car racing and Bathurst homologation allowed A9X Toranas to run the L34 improvements. Race teams worked on the fuel and exhaust systems and eventually increased the horsepower to 395-400.
    Transmission options included a Borg Warner T10 four speed manual, a differential ratio of 2.60:1. This gave the A9X a potentially top speed of over 260 km/h at Bathurst. unquote.
    I dont have a scanner!
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  12. 21-12-2006, 05:40 PM #12
    raptor_ss
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    Cool. thats quite abit of info you got there stroker355. the bathurst race engine is the one I'm after. so....the bathurst a9x ran tuned L34's produced around 400hp with the T10 4x man and the diff ratio of 2.6:1.

    Anyone know of a website that I can get the Bathurst engine part numbers and specs? would really like to re-create a bathurst legend.
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  13. 21-12-2006, 05:45 PM #13
    SL/ENUT
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    A9X never had a blue block, all had a red block. I have a book here called the History of the Holden V8, has a lot of info on the A9X Torrys. Also have to other books about them, not with me though.
    Fact No.5.The old early girl commodores, VB-VH, are making a huge come back at car shows, which is a great thing!!!!
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  14. 21-12-2006, 10:12 PM #14
    74HJLS
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    Th A9X motor out of the factory was a stock standard red block L31 308. The L34 spec motor was fitted by the race teams for competition and brought up to the race specs of the time. A lot of so called authoritive books of the time were guess work by the author.
    Cheers,
    Pete.

    Old Holdens never die, they just go faster.
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  15. 21-12-2006, 10:27 PM #15
    Trentm
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    Exclamation

    Did the A9X's have a single thermo fan or a twin set up?? Anyone know what brand they were?

    Cheers, Trent
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