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I supported Toymods
Location:
NE Melbourne
Registered:
May 2002
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Re: JAP Brake for AE86
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Thu, 30 May 2002 15:57
 
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for the neatest finish, have your current master cylinder rebored to a bigger size... i'd say 15/16" or 1"... this is the easiest and probably the cheapest... you could look around to find a replacement off another car. this is also a good option but there are two thing that you must be especially cautious of...
the depth from the back of the master cylinder to the piston must match up... if not then the piston will be either slightly depressed when the pedal is up, or vise versa where the pedal will have to travel a short distance before the rod picks up on the end of the piston, the first causing the brakes to not properly release, and the later causing there to be an 'idle' pedal movement before braking occurs. modifications can be made to the rod from the pedal to counter this, but this is quite a hassle.
the other problem is making all the brake lines match up to the new master cylinder... this is not difficult, but may require the rebending of brake pipes (highly un-reccomended) or the fabrication of new and freshly bent pipes (further cost)
so my reccomendation is to have your current master modified... to give you some idea, mine cos $203 to have done from 13/16" to 15/16"...
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