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70-74.5 or 74.5-xxx

This is a discussion on 70-74.5 or 74.5-xxx within the Suspension & Steering (S30) forums, part of the 1st Generation Z (S30) category; Thanks for the pic Jeff. I couldn't find a reliable pix of a late 260. The front of the OP ...


  1. #26
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    Thanks for the pic Jeff. I couldn't find a reliable pix of a late 260. The front of the OP Z looks like a stock early 260 except for the air dam. When I bought my 260 it looked similar to that... no turn signals, no bumper, and it had an air dam from a 280. I immediately scrounged some turn signals from a 280 and then when I went to mount them I was deflated...what I thought were turn signal brackets were part of the bumper mounts...
    1974 260Z RLS30-004104
    In the garage for now...

  2. #27
    '72 240Z(G) 3.2L
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    We have a club member's early 260 (3/74) in the shop and it has a small rear bumper but has shock holes for the later version bumper.

    I look at frame rails to determine early and late versions (since I sell them and 260 owners aren't sure which style to order). Early 260s generally have 240 style rails and later 260s have the 280 rails installed.

    I have seen 280 rails on a pre-June '74 260 but they could have been replaced by a POV.

    As to coil-overs, I went the GC and Tokico HTS route with the internal biscuit camber set-up. This is similar to what John at Betamotorsports offers. The only welding required is the struts (cut down) and those can be farmed out to a professional. Rear suspension on my 240 has 250 springs, AR Z RCAs, a Suspension Technique sway bar and is set at 2.2 degrees negative and 1/16 toe. Fronts have 275 lb springs, the ST sway bar, LCAs w/heim joints and the pivot point moved up 3/4-inch along with TTT TC rods. Bumps steer spacers and Z Car Customs outer tie rods (straight so the angle a stock tie rod has coupled with a lowered car doesn't put added stress on the inner tie rod). Front camber is 2.2, with a 1/16 of toe and 3.7 degrees of caster. Ride can be soft or harsh depending on the activity planned for the vehicle that day.
    if a little knowledge can make you dangerous, I'm a little dangerous

  3. #28
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    70-74.5 or 74.5-xxx-engine-plate.jpg70-74.5 or 74.5-xxx-engine.jpg70-74.5 or 74.5-xxx-fender.jpg70-74.5 or 74.5-xxx-quarter-panel.jpgwell....

    i feel stupid, and happy i haven't ordered parts(struts/springs)

    build date is 12/73 NOT 12/74. i guess i shouldn't try and read in the dark post beer...

    anyway here's pics

    for some reason the site will not accept the dash vin pic, but it matches the door jam...

    sooooo... being an early 260, all my suspension stuffs will be 240 parts, correct?

    thanks in advance,
    -Dr. W

  4. #29
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    70-74.5 or 74.5-xxx-doorjam.jpg

  5. #30
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    Default My 10-74 build date 260Z

    70-74.5 or 74.5-xxx-260z.jpg70-74.5 or 74.5-xxx-260z-1.jpg
    Not sure if the attachments posted but my car seems to have different bumpers than others I have seen. Mine are painted and not chrome. I have only had the car about 5 months.

  6. #31
    Registered User Jeff G 78's Avatar
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    ms260z, You have a late 260 like mine and somebody simply painted the bumpers white.
    Jeff
    Northville, Michigan
    IZCC #1285
    '78 280 10:1 CR, Arizona Z Car header, urethane bushings, Tokico springs, Illumina struts, Panasports w/Hankook R-S2 225/50R16 tires, Maxima 105 amp alternator
    http://www.classiczcars.com/photopos...00&ppuser=7975
    '74 260Z BRE look-alike crap can for 24 Hours of LeMons racing
    http://www.facebook.com/pages/edit/?...05972559430584

  7. #32
    Registered User LeonV's Avatar
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    Quote Originally Posted by Dr. Wombat View Post
    Click image for larger version. 

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ID:	52634well....

    i feel stupid, and happy i haven't ordered parts(struts/springs)

    build date is 12/73 NOT 12/74. i guess i shouldn't try and read in the dark post beer...

    anyway here's pics

    for some reason the site will not accept the dash vin pic, but it matches the door jam...

    sooooo... being an early 260, all my suspension stuffs will be 240 parts, correct?

    thanks in advance,
    -Dr. W
    First off, thanks for posting your engine plate! Some people don't want to believe that the L26 had more power than the L24. But back on topic...

    As far as suspension parts go, not exactly. As I've learned from experience, the early 260Z is a very peculiar model in the Z-car line. The suspension is mostly 240Z, except for the front struts and steering rack. I have a thread here detailing some differences, with Dave's help.

    As far as the rack goes, the 240Z rack bushings will not work, they are too narrow as I recall. 280Z rack bushings are the correct ones for both the early and late 260Z. As far as I remember, the rest of the suspension should be very similar to late 240Zs. Let me know if you have any questions about your Z, I've really enjoyed getting to know my early 260!
    9/73 260Z
    2/74 260Z

  8. #33
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    Jeff, thanks. Mine also is missing the rubber bump guards that I see on yours. I know it is missing the rubber spacers between the bumper and body as well. I intend to have it painted one day. I will look at going back to a chrome bumper at that time. Also, the original color is orange. The number is missing off the paint color sticker under the hood. Does anyone know the number for orange?

  9. #34
    Registered User LeonV's Avatar
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    Quote Originally Posted by ms260z View Post
    Jeff, thanks. Mine also is missing the rubber bump guards that I see on yours. I know it is missing the rubber spacers between the bumper and body as well. I intend to have it painted one day. I will look at going back to a chrome bumper at that time. Also, the original color is orange. The number is missing off the paint color sticker under the hood. Does anyone know the number for orange?
    It would be 110 Red, same as my 260Z.

    Ref: http://zhome.com/History/ZColorGallary/index.html
    9/73 260Z
    2/74 260Z

  10. #35
    Registered User Jeff G 78's Avatar
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    Yeah, mine is missing the rubber ends, but I paid $350 for the car and they add weight. I would have removed the bumpers altogether, but they do a great job of protecting the body during a race.

    As for the color, look here. http://www.classiczcars.com/forums/a...6&d=1313534575
    Jeff
    Northville, Michigan
    IZCC #1285
    '78 280 10:1 CR, Arizona Z Car header, urethane bushings, Tokico springs, Illumina struts, Panasports w/Hankook R-S2 225/50R16 tires, Maxima 105 amp alternator
    http://www.classiczcars.com/photopos...00&ppuser=7975
    '74 260Z BRE look-alike crap can for 24 Hours of LeMons racing
    http://www.facebook.com/pages/edit/?...05972559430584

  11. #36
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    Quote Originally Posted by LeonV View Post
    It would be 110 Red, same as my 260Z.

    Ref: http://zhome.com/History/ZColorGallary/index.html

    Or 227 Orange.

    Scratch that. Your chart doesn't show orange after '73.
    Last edited by Jeff G 78; 04-12-2012 at 01:25 PM.
    Jeff
    Northville, Michigan
    IZCC #1285
    '78 280 10:1 CR, Arizona Z Car header, urethane bushings, Tokico springs, Illumina struts, Panasports w/Hankook R-S2 225/50R16 tires, Maxima 105 amp alternator
    http://www.classiczcars.com/photopos...00&ppuser=7975
    '74 260Z BRE look-alike crap can for 24 Hours of LeMons racing
    http://www.facebook.com/pages/edit/?...05972559430584

  12. #37
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    I had forgotten about that chart. I guess I'll always be able to find my old Z (and truck) by clicking on 510 blue.
    Never argue with an idiot, he will drag you down to his level and beat you with experience. (Unknown - inspired by a banned CZCC member)

  13. #38
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    i'm thinking to send my spindles in to T3, for coilover build.

    it's basically the ground control kit plus their strut tubes and a sandblasting and paint job. sounds like they can actually do it cheaper than my grassrooting it.

    costs is $1400 usung my spindles.

    and i know it will fit my mut-car :/

    -Dr. W

  14. #39
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    those of you running camber plates(mainly GC), are you running them on all 4 corners or just front?

  15. #40
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    ^ nice find on the TTT coilover setup, i feel that they will be receiving quite a bit of my money this fall
    - HLS30-00655 240z on a long road ahead

  16. #41
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    I just spoke to one of guys at TTT, he says they use the ground control kit.

    I hear a lot of people speaking poorly of the eibach springs sagging...

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