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Thread: Hls30-24140

  1. #101
    Registered User ksbeta's Avatar
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    Thanks Peter,

    Does the setup he built for you work well? Aside from the Rotors and Pads, I'm running the same gear. Curious if you're pleased, or consider the 'upgrades' inadequate as well.

    Leon/Guy/Carl/Sean, thanks (as always) for the help.
    Last edited by ksbeta; 10-14-2013 at 05:35 AM.
    Feb '70 & Mar '71 240z

  2. #102
    Supporting Member pbarcher's Avatar
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    Bill,

    Are you referring to the close ratio 5-speed and 3.90 diff? If so, then yes it's a great combination.

    Peter


    Peter Barcher
    Original Owner of HLS30-161241 - Mfg. 5/73
    Silver 1973 240Z

  3. #103
    Registered User ksbeta's Avatar
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    Thanks Peter,

    Sorry, no, I meant the brake setup he installed for you. I believe you made note that I might want to revert to stock, and was unsure whether you were happy with the 'new' brake setup you'd installed as mentioned.
    Feb '70 & Mar '71 240z

  4. #104
    Supporting Member pbarcher's Avatar
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    Yes, for my needs the Toyota four piston is an improvement but it's far from ideal and not up to modern standards. If it wasn't for my beloved 14" wheels I'd seek another solution.


    Peter Barcher
    Original Owner of HLS30-161241 - Mfg. 5/73
    Silver 1973 240Z

  5. #105
    ++++++++ HS30-H's Avatar
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    Quote Originally Posted by pbarcher View Post
    Last year Eiji installed the Toyota four piston, non-vented, calipers on my 73 along with Stoptech slotted rotors and Posi-Quiet ceramic pads. All new rears too, with OEM shoes and a 15/16ths master.

    As others have written, this combo upsets the front/rear brake balance and the rears don't do much at all.
    Nissan's factory 'Sports Option' lists and race prep manuals always recommended switching to 13/16" rear wheel cylinders and competition linings when using 4-pots ( Sumitomo MK63 ) on the front.

  6. #106
    Registered User ksbeta's Avatar
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    Thanks Both, and sorry for the delayed response. After losing all braking on the last drive of the season (fortunately without any of the hairy stuff that normally follows such a loss), I'll be really trying to figure this thing out. For now, if anyone is curious, here's what doesn't work:

    280zx 15/16" MC
    240z Booster
    Stock 240z Proportioning Valves
    4-Pot Toyota Disc's up front (Stock pads/ Rotors for said application)
    Stock 240z Drum brakes in the rear

    Unless I'm missing something, that combination stops about as well as a good rumor about a Senator and a Mistress.
    Feb '70 & Mar '71 240z

  7. #107
    Registered User ksbeta's Avatar
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    Quick update:

    Swapped in Subaru STi 3.90 LSD with Beta Motorsport shafts from Wolf Creek. Such an improvement in driveability over the 4.11

    Tidewater Z helped sort out the brakes and other details.
    Feb '70 & Mar '71 240z

  8. #108
    Nova Scotia,Canada,Earth Blue's Avatar
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    Nice to hear!

    What are the improvements?

    Better cornering or the 4.11 reved too high... or both?

    Did you loose much of the torque push when starting in first?
    There is scarcely anything in the world that some man cannot make a little worse, and sell a little more cheaply.
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  9. #109
    Registered User ksbeta's Avatar
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    Hey Blue,

    4.11 revved too high. Like an 18 wheeler; was in 3rd before I cleared an intersection. The LSD is an added perk to be sure, but a lower mileage differential was attractive as well.

    I have gears, and it still pulls strong. Yes, slight edge gone but not missed.
    Feb '70 & Mar '71 240z

  10. #110
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    What ended up being the issue with the brakes?

  11. #111
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    I would like to know how the brake issue was resolved as well.

    Guessing the 240 booster. Maybe went with the ZX booster?
    1977 280z 06/77

  12. #112
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    Does the 73 240Z have a larger booster ? Mine has a larger booster to and brakes very good/strong. The seller said it was from a 240Z but could it be a ZX ? I know the mounting holes didn't line up, I had to largen them a bit.
    HLS30 32581, 5/71 Matching numbers

    Jay Leno : You know one week after the Americans have walked on the moon, the Japanese introduced this sports car, and…if you’re a car guy pretty equal. I mean walking on the moon was pretty good, but how many times you’d gonna walk on the moon? But here was an affordable sports car that had real performance and looked like it cost a lot more than it did.

  13. #113
    Yellow Z-Car Club DougN's Avatar
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    I have the Toyota front caliper "upgrade" on my Z (with everything else still stock) and my car stops on a dime with it so I'd have to disagree with those who say it's not better than stock.
    Doug

    '73 240Z (HLS30-126840)(10/72) Yellow (64XXX original miles)
    '66 MGB (GHN3L108501)(12/14/66) BRG
    '10 BMW E93 Silver

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