1970 S30 Brake Booster Upgrade Question - Nissan : Datsun ZCar forum :Nissan Z Forum: 240Z to 370Z
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post #1 of 5 (permalink) Old 09-14-2016, 10:59 PM Thread Starter
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1970 S30 Brake Booster Upgrade Question

I have read many many threads on Brake Booster/Vac upgrades for Z30' here and hybrid Z. Most write-ups are later 240's 71/72/73. Very few on 1970 240Z's and I know there is a difference in the brake boosters. All discuss the merits of the upgrade and the experience after they did the upgrade. I have read several threads on the the 280ZX booster upgrade and they talk about adjusting the rod to get a tighter feel. But I have not found any that give a good upgrade recommendation and options and most importantly, step-by-step instructions on actually how to upgrade/install the booster like what to cut/what to shorten, what o modify what to watch out for, etc. I know this upgrade is as old as dirt and I suspect the there are some great early writ-up this this. I just can't seem to find them.

I'm almost done with my suspension/brake upgrade on my 70 240 and this is the last component before I start to dial in the car.

Current upgrades include:
[*] T3 (Techno Tuning Toys) front and rear coil overs/Koni 5-way [*] Toyota S12 front calipers and vented disc[*] 240Sx rear calipers and associated disc[*] 300ZXT CV halfshafts with MM shortened shafts[*] R200 Dif with needed 280Z drop down/Mustache, etc [*] All new Poly bushings front and rear[*] Braided Brake lines[*] 15/16 Brace MC

Thanks...
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post #2 of 5 (permalink) Old 09-14-2016, 11:20 PM Thread Starter
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Adding some Pics
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File Type: jpg 240Z Rear Upgrades.jpg (113.9 KB, 15 views)
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post #3 of 5 (permalink) Old 09-15-2016, 01:14 PM
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Only thing I can add is that you need to add a grommet where that brake line passes through the bracket. You would not want to wear through that line.

12/70 build 240Z
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post #4 of 5 (permalink) Old 09-15-2016, 07:20 PM Thread Starter
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Originally Posted by dat240sun View Post
Only thing I can add is that you need to add a grommet where that brake line passes through the bracket. You would not want to wear through that line.
Yep, did that. Thanks. Just looking for a good thread or write up on 1970 Brake Booster conversions. Thanks.
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post #5 of 5 (permalink) Old 09-15-2016, 09:06 PM
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Try here:

http://forums.hybridz.org/topic/125685-new-product-240z-power-brake-booster/

Watch your weight or someone might steal it
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