Suspension, Brakes, Drivetrain discuss the wondrous effects of boost and your miata...
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Old 11-27-2017, 01:24 PM
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Originally Posted by nick470
TSE 6258 on 245 Rivals and 3" brake ducts. It's very unlikely that I'll do anything north of 300whp on the track, at least for the next couple years.
11.75 radial with SPM directional rotors then. Pair with OEM sport rear rotors and either sport calipers or NA8/NB1 calipers depending on pad choice. Sport caliper has larger piston so increases torque. Bullet uses NB1 rear calipers. Vegas will use a sport caliper with a Tilton pedal assembly (no booster).

Our site should be updated by this afternoon
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Old 11-27-2017, 09:02 PM
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11.75" Radial DP4R kit page is live: SuperMiata 11.75 Dynapro Radial BBK

G-Loc/Wilwood DP4 pad pages updated: Mazda Brake Pads
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Old 11-27-2017, 09:09 PM
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Holy crap my kind of troll post paid off. Thats a great price too.
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Old 11-27-2017, 10:24 PM
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The Superlite bridgebolt radial mount option will be up tomorrow. We're using the 2.46" piston area version so we get both radial mounting and the thicker 7420 pad (20mm)
Superlite radial 7420 is 60% more pad volume than Dynapro 7816, 135% more than Dynalite 7112. WePlenty of caliper and a bit lighter than the Superlite. Also clears our 15x9 with about a 5mm spacer.
The Superlite gives you longer pad life a bit more fade resistance but needs the 15x10 6UL at minimum.

Pedal feel with the SL4RBB 2.46 and our tandem 1" master cylinder kit is solid like the pedal in our GT350. I personally like the R18 pad up front. Super high .mu around .75 which requires little effort but still modulates beautifully. That low effort pays dividends in reduces flex everywhere.
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Old 11-28-2017, 06:44 AM
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Is stiffness why you went with the dynapro radial over the dynalite radial? They look nearly identical but the dynalite takes the thicker 7612 pad and somehow weighs a pound less and the offset from the mounting holes is a tiny bit different.
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Old 11-28-2017, 10:31 AM
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Dynapro over Dynalite for pad volume and stiffness. The Dynalite is a very old caliper design now. The Dynalite is still a great option for someone who doesn't need as much brake, sub 180whp say.
A 11" Dynalite kit is a great place to save weight even if you don't need more brakes. We run OEM sport brakes on S2 Supermiatas (140whp) but they would benefit from an 11" Dynalite kit it it were allowed.
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Last edited by emilio700; 11-28-2017 at 10:28 PM.
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Old 11-28-2017, 10:41 AM
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Dynalite pads are dirt cheap. Something like 50% of the price of stock Miata sized pads. The caliper is also light and cheap. Great budget setup for a stock or small rotrex build.
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Old 11-28-2017, 03:13 PM
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Originally Posted by emilio700
We have always preferred the NA8 9.4" rear when using an 11" front. Stoptech asked us to provide feedback on their 11.0/10.9" combination with hydraulic ratios and pad .mu bias tweaked to compensate for the mechanical leverage bias. We'll see how it works.
Looks bitchin anyway.
Any feedback on the Stoptech brakes yet?
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Old 11-28-2017, 10:01 PM
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Originally Posted by aidandj
Dynalite pads are dirt cheap. Something like 50% of the price of stock Miata sized pads. The caliper is also light and cheap. Great budget setup for a stock or small rotrex build.
Really? The radial dynalites use the thicker version of the pads that the dynapros use. They're really that cheap?
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Old 11-28-2017, 10:06 PM
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If you need the thermal capacity of a 16mm pad, you need the stiffness of a Dynapro at bare minimum, and you should probably have a Superlite.
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Old 11-28-2017, 10:34 PM
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Originally Posted by VoBoy
Any feedback on the Stoptech brakes yet?
Posted earlier in this thread. Many other cares posted info here and on various fb pages. I like the ST42 caliper, I just think the Wilwood options do the same job for less expense.

When the ST kit was in development as an 11.75 kit, I suggested they build an 11" kit to bring costs down and fit more wheels. Now that I have seen the caliper, it's a bit overkill for an 11" kit. For every 1x 11.75 Miata kit sold worldwide, there are probably 100x 11" kits sold.
Perhaps ST will offer an 11.75 version more fitting with the cost of the caliper.
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