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The Terminator
Terminator Talk
Installing ATS Brembos on the Cobra.
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<blockquote data-quote="Mustang5L5" data-source="post: 16328548" data-attributes="member: 38517"><p>Won't work for me, I have a fox body and run vacuum brakes.</p><p></p><p>With the vacuum boosters, there are different bore diameters to account for the difference in various piston sizes. </p><p></p><p>So for instance, my current brake setup mimics what comes on any 99-04 Cobra/Mach/Bullitt. 2-piston front calipers with 40.5mm pistons and the 38mm rear calipers. Total caliper surface area of 7420mm^2.</p><p></p><p>Now, swapping to the ATS brembos with 42mm pistons, and the Taurus 43mm rear calculator gives you a total piston surface area of 8446mm^2.</p><p></p><p>That's a surface area increase of roughly 14%</p><p></p><p>With the same MC, your stroke will increase, and pedal effort will decrease. Way to compensate is to increase MC bore diameter by a similar ratio.</p><p></p><p>Looking online at parts store sites, I see there are a few different bores for the 96-04 hydroboost setup. A 1", 1 1/16" and a 1 5/8" bore. I'm unfamiliar with what models come with bore sizes however.</p></blockquote><p></p>
[QUOTE="Mustang5L5, post: 16328548, member: 38517"] Won't work for me, I have a fox body and run vacuum brakes. With the vacuum boosters, there are different bore diameters to account for the difference in various piston sizes. So for instance, my current brake setup mimics what comes on any 99-04 Cobra/Mach/Bullitt. 2-piston front calipers with 40.5mm pistons and the 38mm rear calipers. Total caliper surface area of 7420mm^2. Now, swapping to the ATS brembos with 42mm pistons, and the Taurus 43mm rear calculator gives you a total piston surface area of 8446mm^2. That's a surface area increase of roughly 14% With the same MC, your stroke will increase, and pedal effort will decrease. Way to compensate is to increase MC bore diameter by a similar ratio. Looking online at parts store sites, I see there are a few different bores for the 96-04 hydroboost setup. A 1", 1 1/16" and a 1 5/8" bore. I'm unfamiliar with what models come with bore sizes however. [/QUOTE]
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Installing ATS Brembos on the Cobra.
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