To save damage to the gearbox, the GCU has to be closed loop control!
If not, you're either wasting time or going to miss shift.
The better systems will protect your gearbox and engine from over revving by mapping each gear with the ratio and throw distance/timing/pressure which is different for each gear. Takes a long time to configure but clutchless up and down gear changes are possible, even at low speed.
I use the shiftec system but as its used in Le Mans etc as standard, it's definitely the best system but unfortunately not the cheapest; they even do the clutch system to go with it to make the car true F1 2 peddle setup...
Also, GCU is canbus and can talk to Motec etc which then allows the ECU to know what gear youre in which opens up further features.
Can anybody list the pros and cons opting for 4.1 final drives on my diff? I currently have 3.5's I think (r34 gtr stock diff)...
Ultimately I'm after more response and acceleration from my gtr.
I currently am overhauling my bcnr33 power steering pump and I want to upgrade the standard inlet line to a braided line with an AN fitting.
I know this has been done before (s. attachment), but I'm struggling to find a place where to buy the flanged inlet fitting. Can anybody point me in the...
I'm after a set of bonnet damper for my R34 GT-R.
I found various brands selling replacement hood lifters but I don't know what size and force would best suit my car - I have the standard bonnet.
Anyone with tein, TS, or other brand of bonnet damper can mesure the size of the extended lifter...
I have recently finished putting the car together & had it mapped on a rolling road with rather disappointing results. The mapper was unable to add any more ignition advance in order to make power as it had started to knock & pulled he the timing back again.
Standard RB26 bottom...