UPDATES!
Sorry haven't been updating this thread too much but work on car is progressing everyday
first thing to tackle was the hideous whine and gear crunches that drove me insane , I knew the Gearbox was shot but had no idea to what extent as I realized that the previous owner had done an utter botch job with no emphasis on reliability and functionality and had used the original 4K gearbox in a bellhousing cut and weld job in which local mechanics are so superior in , honestly as the gear was taken off the car my shock and horror on the welds of the bellhousing , the type of bolts used to fix it onto the engine and the gearbox mount that can only be described as if you asked a 7 year old child to design and weld a mount
to counter all that I went out in search of an original gearbox that will A) bolt straight upto the 4A-GE block and B) will be able to handle the torque and with reasonable gear ratios matching the the rev happy nature of the 20V blacktop, so the only logical gearbox to use was the T-50 transmission from an AE86 (and a host of other Light RWD toyotas)
To my amazement there weren't any T-50s up for sale anywhere in Shoba , I kept on asking and was given the same answer of ''they don't come from japan any more'' and ''they are very rare and probably one or two pop up in a year and are sold before arriving'' .....this made me very demoralized and I was crushed even more when I kept on finding super rare JZX100 R154 transmissions and Altezza Beams J160 boxes but not an AE86 gearbox , undeterredmy mind was cycling through the other options of either using a W58 gearbox from an NA supra , but that would require cutting and welding too 
....... before calling it a day and heading home one shopkeeper who dealt solely in 70s corollas and coronas told me that he saw something similar to what I was describing in a ''godam'' somewhere ..... now I took this news with a half heart as shopkeepers will most likely be mistaken or will want to sell you something else pawned as better than a T-50 ..... so I followed this guy to a locked gate in the middle of nowhere outside the premises of shoba itself but upon opening the gate my heart confirmed what my eyes were failing to believe .... a mint and I mean mint with even the words AE86 written on it with paint to further confirm it , I spun the spline shaft and the tail shaft too and engaged all the gears and it was working like loading a round in a Lee Enfield rifle , crisp...sharp and no obstructions .... perfect for me
I didn't even bother asking what he wanted for it as it was getting late (4:30pm) and called up my driver to the premises and loaded the gearbox into my lil Daihatsu champ (Esse) and got it to the workshop where they worked tirelessly on it till 11 am when we drove it but before driving I added 1.7 litres of Liqui Moly GL4 gearbox oil in it and set off .....the gearbox was silky smooth and took gears and rev-matched downshifts like a champion that I thought it was , I was near death tired but very happy to see my little car back into life and the 4A-GE had a renewed spirit of fighting on with this gearbox 
Next came another present from my best friend and car loving companion , fianc?e sent me a goodies package from the UK and I was very excited when I got it 
a TRD clutch disc and pressure plate for the AE101 corolla she found on Irish AE86 boards (love her so much <3)
going to put that in next week as the stock clutch is still good and doesn't slip
but like the say fixing one problem makes five other appear and such was the case with my new ordeal in which the car felt sluggish on upshifts and always out of the powerband in downshifts .... and with no grip on launches ... I think everyone knows where this is headed .... The rear differential on the KE70 was bolted to a 4K and was destined to get groceries from tight parking lots and do alot of highway travelling at 100-120kph .... so two things in the stock diff were present ... 1) it was an open type Diff ..2) It had a final drive ratio of 3.9 :1 (ideal for a econobox for highway travelling) but it was junk to me as the rev happy nature of the 4AGE requires a more peppy Differential ratio to bring out its peak and a Limited Slip Differential (clutch type) that can put the power down easily in a controlled manner and its 2-Way function making power on and off throttle predictable and instant
YOU WILL NOT BELIEVE THE NEXT PART
On a random trip to the workshop the topic of axles came up and I asked the guy on what it looked like , he tried explaining in his best terms that a rear axle had been sitting in his store for a long time , now this axle was for a 83 corolla , but no 83 corolla came with rear disc brakes ... at which point I asked to see the rear axle and he took me there in pitch black darkness and i knew what it was ... indeed it was an axle from an 1983 corolla but what he didn't know was another corolla was in production in 1983 known as the AE86 and this axle was from a zenki(older gen) AE86 GT-Apex .... I picked it up and brought it home (not believing my luck and pinching my arms all the way home ..... at around 8pm after having food ... for some reason something was bothering me that what if the axle has damaged crown gears and what if its the wrong ratio or even worse what if my instincts were wrong and I picked up an old wrong rear end that was from some other unknown alien car ..... one way to confirm all that ... I went into my garage pulled the rear axle into my driver's room told him to make some tea on the wood burning stove that he had and got onwards to stripping it down ...... 30 minutes later I disassembled the differential by taking out the driveshafts out of the axle first and then the differential.... Its was a TRD unit with a 4.3 final drive stamped on it in metal ..... my whole body was shaking with excitement as it feels like holding a newborn son that is yours , I thanked Allah and couldn't believe my luck as it kept me awake all night 
now I was a very happy chap as the whole drivetrain was matched bolt for bolt in the image of the legendary AE86 and the engine was a great improvement over the original 16- valve 4A-GE bluetop
stick around for more updates on the suspension/ brake upgrades/ N2 style header design and chassis stiffening and tyres
