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Need help with 240z brake bias with 4-piston toyota and 240sx brakes


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ok so not safe to proportion the fronts, and no way to increase the rear pressure if i bypass the stock proportioning valve??

 

Bypassing the stock proportioning valve will increase the rear brake pressure. Based on all the comments above it will not be enough however. To solve your problem you need different rear brakes. A larger diameter rotor and/or a larger caliper piston diameter.

 

Another possible solution would be converting to a dual master cylinder setup so you can use a smaller diameter master for the rear.

Edited by beermanpete
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You can remove the stock prop valve and that will provide additional rear pressure. You could also go to a more aggressive rear pad or less aggressive front. Next would be larger rear brakes-been there done all that.

ok so not safe to proportion the fronts, and no way to increase the rear pressure if i bypass the stock proportioning valve??

 

 

 

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