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It was a kit i brought and then made some slight mods too so it would bolt straight up to the old 4 bolt hole pattern.

Had not been on track yet but have some very quiet roads around my warehouse on a friday. Pedal is very much firmer thats for sure, but also gives much more feel. Best part is i now know how much rear brake i was missing with the old stock rear calipers, then G4 rear calipers until i i did this and got rid of the ABS unit. In fact i had never used one set of bendix ultima pads in over 3000 kms of racing. Car now brakes much harder, even enough to get hot slicks to lock up on all 4 corners at the same time. Still working on getting the bias right but will get there next track session as its not a long way off being how i want it.

Still managed to get 6 to 7 KGs off the car and i think got a much better, safer and better performing system. Now we will give the G4 calipers some real abuse and see how they stand up.

PS found out that AP rotors are identical to the G4 units as well, same bells bolts etc etc, got a feeling they might be one and the same

I have one of these pedal boxes that was used in my old GTR.

I removed it and fitted a proper Tilton over hung box. These are good but you will find they suffer alot of fire wall flex due to the massive amount of leverage you have and the pedal effort required.

Can't that be easily remedied with a brace from the tower?

I don't have a pedal box but removed my booster, changed the pedal ratio and of course still had massive firewall flex due to around 120kg + pedal pressure required. 10 minutes welding something up had it sorted.

2623_1098304505452_1461830780_28772.jpg

Problem with them is they dont flex the fire wall outwards they actually try and bend it upwards.

On my one there is a rather effective lever built into the pedal box which hangs down under the box itself. Its hard to explain the way the fire wall flexes with them but the only way I though to fix it would be a brace coming down from the strut brace as a brace infront of the box only solved half to problem.

That said even with the Tilton pedals built into my roll cage there is still flex in the mounting points which is rather annoying.

Out of curiosity what sized masters are you using in the tandem set-up and which pedal ratio box did you buy??

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