NotMinus

I bought my first car. I have been looking for an mid 60's early 70's muscle car (something like a dodge dart) and yesterday I called about a 1978 Porche 924 for only 2,900. They are usally around 6-7000 I find, Im spectacle but its only a few blocks from me and I take a look and discover a gem. Its almost rust free completely, even in the wheel wells. New Tires, New timing belt, battery. The engine is starting fine from cold (I do have a hot start problem but its supposbly common with the car and can be fixed with some work) The wiring looks good, belts are good, exhaust will need replacing in a year or two. It is a 4 speed manual and the engine is clean running. The only problem I have is that the brakes are spungy. I didn't even notice but my dad drove it and came to that conclusion so instead of me dicking around I took it to a garage this morning for a quick look. Its completely stock and if it was my second vehicle it would apply for collectors plates. Me, being 6'8" and 210pounds found that I had to remove the drivers side door hadle/compartment in the interior to allow enough room for my knees to adaquetly fit between the door and the steering wheel. Its running great though and I don't forsee needing to do much engine work (knock on wood). The questions I had though, the car was brough up from Denver to the west coast of Canada. The penzoil sticker on the door interior claims the oiltyp they used is 5w50. that seems a little weak to me as porche mechanics recommend 15-20w50. Im guessing the 5w50 was used for low tempeture and higher alltitude driving but now its warm and sea level. I guess I should change my oil over to 15w50 as is recommened? I belive doing so would also increase oil pressure. Im going to take some pictures tonight and post them on the board