I always believe that if you are replacing parts you should use the genuine auto parts for replacement. I think that it would be extremely kind of you to purchase some Chevy Silverado parts for your brother, and I am sure he will appreciate it as well.
The parts should fit.
You can find Chevy Silverado parts at any store that sells them or a parts store that deals with Chevy products or online at the following places www.smpchev.ca/used-inventory/
NO nothing will. well maybe the tires and wheels will.
Super Siphon kit available at auto parts should work,
There are various websites who sell parts for the 1985 Chevy Silverado. The most popular include JC Whitney, Raybuck Autoparts and Auto Parts Warehouse.
Yes thay are the same.
The Calgary section of the website Kijiji offers a large list of people who are selling parts for a 1999 Chevy Silverado. The sellers are local people, so deals can be made.
About $150.00
Your local auto parts store will read your codes and advise you what your next step should be. Most auto parts stores will provide this service for free.
All body parts will, and most of the engine parts will too.
You will have to have a obdII engine scanner to do that. some parts stores will do it for free.
Yes you can if you have all the parts to make it work from another truck.