Thanks everyone for all their input and answering my questions. Papajam is amazing how fast Marco emailed me the information about my car. So this is what I have found so far.
---->the chassis number AR 3020828 originally corresponds to an Alfa Romeo 2000 GT Veloce USA (115.01), manufactured on the 6th September 1972 and sold on the 7th September 1972 to Alfa Romeo Englewood Cliffs, USA.
The body colour is metallic light beige (AR 827), with black tex interiors. < ----
I guess that clarifies some of the questions I raised at the beginning.
Antoni, The experience I get from using my 912 and GTV are so different, and so unique in their own way and I love both. I can't never get bored of driving my 912 even though it has less power than the GTV, yet my 912 is so light I can push it by myself when my battery dies

I believe they complement so well to one another. Is just amazing the experience of driving a german car and an italian car, so different and so unique, the handling, the roaring of the engines, the smell of gas is just awesome.
I will look into the suspension, as I feel it can be improved, and perhaps go back to the original wheels. I feel with the wider tires, I am putting too much force on the suspension. I ll post some more pics later this afternoon. The color of the car frankly is not my favorite, before purchasing the car I was looking at GTV's with more of a strong yellow color or blue.
I guess I can live with the small once in while transmission grind in 1st, but checking the oil or changing it would not hurt.
One thing I noticed is that whoever resprayed or painted this car before, the doors are not properly aligned, and when the windows are all the way up, the doors take are more difficult to close them. I am not sure what exactly is the problem.
Thanks everyone for their answers and fast response.
Cheers
palito