What are all the parts and modifications needed to use the stronger rear in my 87? Also were there different gear ratios over the smaller rears? how about between auto and stick?

Ok I'll fold, I've been apposed to positive feedback, but this is one guy who hasn't gotten the credit he deserves, and I'm pretty familiar so I'll share.  Glen is a young guy in australia who's website/budding business I stumbled upon while browsing the Fourmeanzmore site over a year ago.  Here's Glen's site http://homepages.ihug.com.au/~kimpton/.  Naturally, I couldn't believe my eyes when I saw that site and I immediately posted a message asking why we weren't doing a GP for these.  Well some

You can now upgrade you ignition system by wireing a second stock coil to the primary. First prepare your second coil by pluging hole that the spark plug wire goses into I used some forma gasket to fill the hole and then  i put a rubber cap from an old sparke plug wire over top of it. then i got old bracket and mounted the coil.    Secondly,I wired the +side of the coil to the + of the Primary coil and did like wise with negative. This did not burn up my spark plug wires or my ngk ir plugs bec

anyone install in their quest a 3000gt unit with the infinity amp and tape deck with remote c/d changer. i looked but didnt find a post on it. i thought it was a direct fit but it is not............ Jeff