Bumped into Damien from Stechnic today at Cooldrive. Had a chat about the handbrake issues and he suggested to be sure the proportioning valve is before the handbrake master cylinder. (Im 99.9% sure it is, but ill double check again) Also said that the brembo 2pots may not be the best calipers for use? Thier gravel cars use the WRX 2pots and he reckons they lock up with gracel tyres on tarmac, with the same handbrake master cylinder.

He also got Doug to call me and have a chat about it aswell. (Which i really appreciate the effort.) He suggested that i unplug the gearbox loom so i can be certain the DCCD is open and try again. Possibly the DCCD is staying active which is mechanically linking rear wheels to front wheels. Unplugging the entire gearbox is a positive way to rule that out. He aslo said that whenever he does a handbraky, its always while turning. So potentially that is my problem right there. And also that potentially the tyres are too sticky for handbrakys.

So that has given me a few more things to test / check.

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Doing it for all the wagons out there