Stock Caliper Big Brake Kits (VR4}

[flewis763]

Hi, can you make a conversion kit for the front 4 pots to be used on the rear too?

I have a BBK and moving the 4 pot fronts to the back could be cool

problem with this is 2 things. first is rotor width. the fronts are designed to be used with a 30mm rotor. the rears are 20mm. 10mm is a lot of space to make up for with piston travel. there are not thicker pad options for this caliper to make up for that different. there is then a possibility of pushing the piston based the seal on a worn down pad and having compete brake failure.

second is the problem with the piston area. you are over doubling the rear piston areas over a 2g rear caliper. this require a lot more brake fluid to operate. without a change in master cylinder to a large bore you would have more much pedal travel needed.

third would be brake bias. your aftermarket BBK kit is likely within 10% of the clamping force of the stock front calipers, just uses a larger pad and rotor to generate better leverage and friction. moving the oem front to the rear would then over double the rear clamping force and then you throw a large increase in pad size and rotor size into the equation to. your bias is going to move so heavy to the rear you will have squirely braking problems.

[The-Stig]

^^^exccelent reply, point taken 👍

[sketch]

the intelligence of that reply actually raises my interest in this kit.

[flewis763]

I will be working on a track bbk kit in the future using second gen ctsv calipers though. Those rears could be added for fairly cheap. The 4 piston rears are 300 a set new

[familyMAN]

I will be working on a track bbk kit in the future using second gen ctsv calipers though. Those rears could be added for fairly cheap. The 4 piston rears are 300 a set new

Interested in where you got the CTSV idea.

[flewis763]

Interested in where you got the CTSV idea.

That was though up a long time ago along side the stock caliper bbk. They are an affordable high end caliper with specs and pad thicknesses available to work with the 370z rotors. They are easily available and at a price off 1100 new for big 6 piston fronts and 4 piston rears they are hard to beat.

[CoopKill]

Where were you a year ago with this $1100 new nonsense!

[flewis763]

Where were you a year ago with this $1100 new nonsense!

It's that suppose to mean you think they are cheap or expensive? You can get them from eBay or rock auto new for that price. They are more from a dealer

[CoopKill]

lol that is cheap. I have ~1900 in my fronts...

[flewis763]

lol that is cheap. I have ~1900 in my fronts...

Ya I figure with calipers, pads, 1 piece performance rotors, ss lines, and bracket kit to mount you'd be in about 2200 total. 3200 if you went 2 piece rotors front and rear.

Also if you have a front kit and want to use the stock rear and upgrade, I sell just the rear as kits