u/Basic_Crab_9457

https://ceika-store.com/collections/custom-brake-kits/products/cbk841

I’m looking at purchasing a CEIKA front and rear BBK for my 1999 JDM FD RX-7 Type RS, and I’m hoping to get some feedback from anyone who has experience with this setup.

Proposed CEIKA Setup

Front
6 Large calipers
330 × 32 mm rotors
Rear
4 Small calipers
330 × 28 mm rotors

Questions
Has anyone run this exact CEIKA setup (or any 330 mm CEIKA kit) with the OEM Type RS 17-inch wheels?

Front: 17×8 +50
Rear: 17×8.5 +50

Did it clear without spacers? Any spoke or barrel clearance issues?

How is the brake bias compared to stock?
I’m trying to keep the car balanced for street driving and occasional track use. If anyone has experience with the CEIKA 6 Large / 4 Small piston configuration, I’d love to hear how the pedal feel and front/rear balance compare to the OEM Type RS brakes.

Factory Type RS Specs (from RX-7 forums)

Tires
Front: 235/45ZR17
Rear: 255/40ZR17
Wheels
Front: 17×8 +50
Rear: 17×8.5 +50
Brakes
Front: 314×32 mm rotor
Front caliper pistons: 33.9 mm (leading) / 38.1 mm (trailing)
Rear: 314×20 mm rotor
Rear caliper piston: 34.9 mm

Any firsthand experience, photos, or recommendations would be greatly appreciated. Thanks

I’m replacing the UIM-to-throttle body gasket on my 1999 FD RX-7 (13B-REW).
OEM Mazda Part Number: N3A1-13-655
I’m trying to confirm the correct installation orientation.

My questions are:
The gasket has a small locating notch/lip on one of the upper corners. Should that notch face toward the front bumper or toward the firewall?

The gasket is not identical on both faces. One side has a noticeable raised embossed sealing bead, while the other side is relatively flat.
Should the raised embossed side face the throttle body, or Should it face the upper intake manifold (UIM)?

So I’m in the process of Changing out my “Black Box” as I was experiencing boost issues and I was removing the Vacuum Chamber N3C1-20-339 , when I disconnect a hose and noticed the check valve was split in 2 . (Image Attached)

Now am I correct in assuming it’s this valve “Green/Black One Way Check Valve (N390-13-995A)” (Attached side by side image)

Apologize if it seems like a stupid question just want a second opinion.

Car : FD Rx7 99
I’m looking into replacing my stock Bose radio and Cd player for a aftermarket one primarily for CarPlay use .

The concern I have is that I want to retain my Bose sound system but I’ve read on the forums that I would need a “Scosche C4MA02 Wiring Interface” due to the an impedance issue .

“ 1)Bose works at a different impedance than conventional audio equipment. it's around 1 ohm IiRC. Conventional stereo systems are typically 4 ohm. The mismatch results in the audio coming out of the speakers as not being very good. Which defeats the whole purpose of having a Bose system.
2) Bose headunits are passive and that is why an amplifier is needed at the Bose speaker end. Conventional head units supply power and if used with a Bose speaker that has an amp it will over drive it and sound like **** (just ask how I know lol)” - Montego Rx7 Forums

Now my only issue is that crutch field doesn’t sell it any more I was wondering if anyone had a spare available I could buy or if they knew of any other product I could use that would do the same .

I want to replace my stock unit with a Pioneer DMH-W4660NEX or something similar.

Second question I’m planing on using a Pioneer ADT-VA133 , Installation kit to my understanding the max head unit size would be 6.8 inches does anyone who has used this kit have any input ?