03 D2a Manual Td5 Modified, Ashcroft lockers F&R, Ashcroft R380,Atb lt230, Ashcroft Rear axles, AS manual IC, AS exhuast manifold, AS Coolant bottle, 3inch exhaust, alive GTB550 VGT, billies 7100s, 3inch lift, 4inch staino snorkel, 35s beadlocked
I think the HunterDi one is the only speedo corrector easily available now that actually works on the D2 as it allows that base frequency through to the BCU
Relatively pricey but worth it. The only thing that has slightly altered is the lockup speed in 4th, it's now 85km/h instead of closer to an indicated 80 with stock rubber, both with a stock map.
3rd is as low as 60 now in the right situations, and HDC is spot on at 7km/h
The auto doesn’t have the CC problem, you can do whatever you like and everything will continue to work, although as Rick130 says, the torque converter lockup points may shift - that was my experience also and I believe this to be correct, although others think there is no electrical connection between the auto controller and the speed output from the SLABS. So, on the auto, its really about correcting the speedo to the tyre size, eg 29’s to 33’s.
The manual, if you want the CC to work, you need to correct the speedo to suit the driveline speedo. Eg 3.54 to 4.12 and/or 1.2 to 1.4 Transfer case high range - then everything will work.
In the manual, if you’re running stock driveline ratios and everything works like the CC but you want to correct the speedo still for bigger tyres and not lose the CC, I understand you can pick up the speedo signal where it goes into the dash and so only the dash is altered. I have not done this and can not personally verify, but I understand this is ok to do - I would verify this with someone who has done it and make sure the dash odometer doesn’t become conflicted with the BCU odometer and start flashing because it thinks it has been tampered with.
Cheers
Slunnie
~ Discovery II Td5 ~ Discovery 3dr V8 ~ Series IIa 6cyl ute ~ Series II V8 ute ~
03 D2a Manual Td5 Modified, Ashcroft lockers F&R, Ashcroft R380,Atb lt230, Ashcroft Rear axles, AS manual IC, AS exhuast manifold, AS Coolant bottle, 3inch exhaust, alive GTB550 VGT, billies 7100s, 3inch lift, 4inch staino snorkel, 35s beadlocked
Cheers
Slunnie
~ Discovery II Td5 ~ Discovery 3dr V8 ~ Series IIa 6cyl ute ~ Series II V8 ute ~
03 D2a Manual Td5 Modified, Ashcroft lockers F&R, Ashcroft R380,Atb lt230, Ashcroft Rear axles, AS manual IC, AS exhuast manifold, AS Coolant bottle, 3inch exhaust, alive GTB550 VGT, billies 7100s, 3inch lift, 4inch staino snorkel, 35s beadlocked
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