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master vac and master cylinder upgrade
Has anyone installed a master vac and cylinder from a 280zx on a 280? If so were there any mod's involved or will the master vac bolt in like the stock 280's did? Any input would be appreciated. PS I would not recomend purchasing a rebuilt master cyl from Autozone, 0 fer 2 both leaked like a screen door.
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Is there a reason you're not replacing them with stock ones?
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I had heard that the zx master cyl. has a larger bore, and was more suitable for runing 4 wheel disc setup's. I am using modern motorsports rear setup and plan on going with arizona Z's front willwood kit in the future. I figured since my master vac and master cyl were bad why not upgrade now, or have I been misinformed yet again.
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its good to upgrade if u plan to do bigger brakes. i ordered a new master vac from a local shop bc autozone could not order me one. it was cheaper but for some odd reason they ordered me a 2+2 master for the price of a coupe. i did not complain. works like a charm. 15/16 is great as well i got from autozone. but think of this u buy from the zone they have warranties so use them
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I like this quote from a hybridz'r (http://forums.hybridz.org/showthread...linder+upgrade)
Originally Posted by zcarnut
A bigger brake booster will not reduce the stopping distance of your Z. All the booster does is to reduce the pedal effort by increasing the force applied to the master cylinder.
Brake boosters are carefully chosen for their application. A bigger booster than what is needed will only allow you to lock the wheels up more easily when braking, and that is not the best (or safest) way to stop a car. Another issue is that the brake booster needs a certain amount of time before maximum boost is applied. Remember you are dealing with the movement of air to one side of the diaphragm in the booster. The larger the booster the longer this time is. This is why you never see a booster on a true race car. Racing brakes need to develop master cylinder pressure as soon as the driver presses the pedal. The only time it is OK to go bigger is when you are increasing the diameter of your master cylinder. As increasing the diameter of the master cylinder will result is a increase of pedal force (for the same amount of fluid displacement). |
Thanks for the input.
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