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Thread: Name the Top Ten Improvements to a bone stock S30

  1. #1
    Registered User Hunter260Z's Avatar
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    Default Name the Top Ten Improvements to a bone stock S30

    Sway Bars, Rims, Tires,Carbs etc.
    Ray
    1974 Datson 260Z
    RLS30-27748 Matching #'s
    L26 Stock w/72 Round Tops
    Interpart Front Spoiler
    Addco Front & Rear Sway Bars
    My Very First Car
    Purchased 5/23/1974

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    Registered User 5thhorsemann's Avatar
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    No.1, Suspension

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    Registered User kjohnson2444's Avatar
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    Por-15
    Keith
    1970 240z - Stock - HLS30-04642

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    Semi-retired admin Arne's Avatar
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    Depends on your uses, I've added a couple that I especially like.
    • Some sort of front airdam or spoiler to improve high-speed stability (most useful on un-lowered cars)
    • Improved differential mount (RT mount or similar)
    Arne - Former owner, HLS30-37705, 7/71, 905 Red
    Car blogs - 240Z - Porsche 911

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    Registered User psdenno's Avatar
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    In the order I added them after buying my Z in 1971....
    A/C
    Front air dam
    Rear window louver for hot climates

    Dennis
    Last edited by psdenno; 06-26-2011 at 09:48 AM.
    1971 240Z - Original Owner
    2010 Infiniti G37 Convertible

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    Registered User tlorber's Avatar
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    5 speed, Electronic Dizzy, Internally regulated alternator.

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    Z geek at large FastWoman's Avatar
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    WHICH S30?

    Electronic ignition, if it doesn't have it already.
    Modern fuel injection? (I'm watching the MegaSquirt folks with interest.)
    Later model alternator.
    Heftier alternator wiring.
    Headlight relays.
    Maxifuses to replace fusible links.
    Some sort of engine defeat, so some ne'er-do-well doesn't destroy your car.
    My last three sports cars while I still owned all three:

    2001 BMW Z3 Roadster 3.0i soft/hard top (sold)
    1966 Ford Mustang Coupe (sold)
    1978 Datsun 280Z (enjoying very much )

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    Registered User Powderkeg's Avatar
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    Ray,

    This is in no particular order and as Arne mentioned it depends on how you use the car.

    Replace the bushings.
    New headlights.
    New Headlight harness, parking light harness or anything else Dave Irwin sells.
    Different seats or reupholstered stock seats.
    Rust treatment.
    Ztherapy Carburetors.
    Replace differential mount.
    5 speed transmission.
    New stereo.
    Refurbished clock from Ron at Zclocks.com.


    Dave Ruiz
    76 280Z

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    Registered User Hunter260Z's Avatar
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    Ok Guys
    The rear differential mount has never been replaced, so what improvement can I expect from this.
    Ray
    1974 Datson 260Z
    RLS30-27748 Matching #'s
    L26 Stock w/72 Round Tops
    Interpart Front Spoiler
    Addco Front & Rear Sway Bars
    My Very First Car
    Purchased 5/23/1974

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    Registered User Travel'n Man's Avatar
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    Ray -
    You will get rock hard solid shifts with no give that the stock set up has - over the years that support will give a lot of flex and then you will get the dreaded "thunk" of shifting gears. This is the correction to get that "thunk" out of your shifts and nice smooth shifts regardless of rpms or speed. This is a must for any Z car owner......just ask any of us that have finalized this modification to our cars. We would never go back to the stock set up.
    Life's a journey; enjoy the ride!

    Mitchell
    L28 - N42 Block w/Flat tops - N42 Rebello Head & Cam - Triple 40 PHH Mikuni's - Headers - Recaro Seats -
    R180 3.9 Diff - Close Ratio 5 Speed - Toyota Vented Brake Upgrade w/ Porterfield High Performance Pads & Shoes

    1972 Datsun 240z
    HLS30-75040


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    Registered User olzed's Avatar
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    Power steering.
    But then I'm a lazy old bugger.
    Oh, and Toyota four pots and vented discs.
    Just remembered another. Daves headlight relays.
    Last edited by olzed; 06-26-2011 at 03:38 PM.

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    Registered User Hunter260Z's Avatar
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    Mitchell

    I had this problem about 5yr. ago and traced it to a bad u joint on the rear axle shaft. The dreaded thunk went away.
    Ray
    1974 Datson 260Z
    RLS30-27748 Matching #'s
    L26 Stock w/72 Round Tops
    Interpart Front Spoiler
    Addco Front & Rear Sway Bars
    My Very First Car
    Purchased 5/23/1974

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    Registered User Hunter260Z's Avatar
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    Arne,Dave,Mitchell

    The R/T mount, is this the one your speaking about.

    TECHNO VERSIONS
    Differential Mount
    Ray
    1974 Datson 260Z
    RLS30-27748 Matching #'s
    L26 Stock w/72 Round Tops
    Interpart Front Spoiler
    Addco Front & Rear Sway Bars
    My Very First Car
    Purchased 5/23/1974

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    Ray -
    Review this one and then do a search on the topic -

    http://www.classiczcars.com/forums/s...ht=r%2FT+mount
    Life's a journey; enjoy the ride!

    Mitchell
    L28 - N42 Block w/Flat tops - N42 Rebello Head & Cam - Triple 40 PHH Mikuni's - Headers - Recaro Seats -
    R180 3.9 Diff - Close Ratio 5 Speed - Toyota Vented Brake Upgrade w/ Porterfield High Performance Pads & Shoes

    1972 Datsun 240z
    HLS30-75040


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    Semi-retired admin Arne's Avatar
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    Quote Originally Posted by Hunter260Z View Post
    Arne,Dave,Mitchell

    The R/T mount, is this the one your speaking about.

    TECHNO VERSIONS
    Differential Mount
    Yes, here's the link:

    http://www.technoversions.com/DiffMountHome.html
    Arne - Former owner, HLS30-37705, 7/71, 905 Red
    Car blogs - 240Z - Porsche 911

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    Registered User MEZZZ's Avatar
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    I will chime in as well, in no particular order
    Different seats ( I refoamed and reupholstered mine and still didnt like them )
    Different stereo
    Poly bushings
    Front air dam
    Lowering springs/shocks
    R/T style diff mount
    Toyota front brake upgrade
    Upgraded dash lights
    New rims and tires
    dynomat
    1977 280Z
    I'm great at taking my Z apart, putting it back together has been a whole different story.

  17. #17
    1978 280Z (stock) TomoHawk's Avatar
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    The best thing would be to get Datsun to make all-new wiring harnesses using the latest wire
    Last edited by TomoHawk; 06-27-2011 at 06:28 PM.
    Drive Responsibly.
    enjoy classic Rock music.

  18. #18
    Marooned Fish cygnusx1's Avatar
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    Shameless plug:
    http://cgi.ebay.com/ebaymotors/ws/eB...%3AMESELX%3AIT

    This is the FIRST performance thing you should do. Right behind making the car road safe, ie. brakes, tires, ball joints...etc. Suspension and tire mods are useless if your steering rack moves 1/4" in either direction!

    Pop your hood, roll down the drivers window, now grab the steering wheel with your right hand(unless you have a Fairlady) and peer down at the rack while you rock the wheel. Is the rack moving? It shouldn't!
    Last edited by cygnusx1; 06-27-2011 at 09:17 PM.
    Dave C, Putnam, NY
    NYZCC - Membership Director

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    1972 240Z RESTOmod
    2006 330xi 6-sp/winter/sport

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    Registered User Travel'n Man's Avatar
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    I love a good moving rack!!I thought I was in the boob thread!!
    Life's a journey; enjoy the ride!

    Mitchell
    L28 - N42 Block w/Flat tops - N42 Rebello Head & Cam - Triple 40 PHH Mikuni's - Headers - Recaro Seats -
    R180 3.9 Diff - Close Ratio 5 Speed - Toyota Vented Brake Upgrade w/ Porterfield High Performance Pads & Shoes

    1972 Datsun 240z
    HLS30-75040


  20. #20
    1978 280Z (stock) TomoHawk's Avatar
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    That was exactly the first I had to do when I got my car.
    Drive Responsibly.
    enjoy classic Rock music.

  21. #21
    Crumudgeon
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    Fantasy:

    1. Limited Slip Diff.
    2. Shocks.
    3. Tires.
    4. Bushings.
    5. Springs.
    6. Anti-roll bars.
    7. Seats.
    8. Steering wheel.
    9. 4 point harness.
    10. Exhaust.

    Reality:

    1. Rust repair.
    2. Bushings.
    3. Ball joints.
    4. Tie rod ends.
    5. Wheel bearings.
    6. Engine, trans, and diff mounts.
    7. Rebuild steering rack.
    8. Shocks.
    9. Window, door, and interior seals.
    10. Complete engine tune up.

  22. #22
    Registered User Travel'n Man's Avatar
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    I just did the steering wheel last week - went with a Momo Competition - should have done it years ago!! Much better grip on the wheel.
    Life's a journey; enjoy the ride!

    Mitchell
    L28 - N42 Block w/Flat tops - N42 Rebello Head & Cam - Triple 40 PHH Mikuni's - Headers - Recaro Seats -
    R180 3.9 Diff - Close Ratio 5 Speed - Toyota Vented Brake Upgrade w/ Porterfield High Performance Pads & Shoes

    1972 Datsun 240z
    HLS30-75040


  23. #23
    Registered User Hunter260Z's Avatar
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    Mitchell
    Glad you like it. I'm looking into R/T Mount. Trying to get a list of things together so I can do all of them at one time. My brother-in-law owns a gas station, so that helps.
    Ray
    1974 Datson 260Z
    RLS30-27748 Matching #'s
    L26 Stock w/72 Round Tops
    Interpart Front Spoiler
    Addco Front & Rear Sway Bars
    My Very First Car
    Purchased 5/23/1974

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