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15/16 Brake master cylinder.


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Hi Kevin,

 

I'm sure there will be plenty of ideas out there but when I upgraded to larger calipers I went with a Nissan Patrol 1" bore. Still all mounts straight up to the original set up and easy to buy brand new from a brake place.

 

I can't remember price but it wasn't outrageous.  I can find you a part number if you are interested or someone else might have it handy

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Lurch,

I was kind of thinking along those lines myself to install a 7/8''just to see how the pedal feel would be.

A lot of other people have posted so called good results from 15/16'' master cylinders with willwood 4 spots. I am sceptical that a 1/16 reduction from 1'' to 15/16 would give me the pedal feel I'm after.

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PM your braking details - pad size cross-section, pistons dia & how many there are, effective disc size.

I'll run the calcs early next week & give you the results for what size MC you need.

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Do a calculation of square mm area of stock calipers (4 pistons) vs the new Wilwoods, (8 pistons)

Then calculate square mm area of stock m/c, vs 15/16 vs 1"

Fr a gven dstance of travel each m/c displaces a given qty of fluid, then divide that into the calipers ( total sq mm)

 

That will give an indication of what combo is closer to stock.

 

Bear in mnd, the bigger the m/c, the greater the pedal effort to displace.

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