No it will not.
A eaton fuller 18 speed roadranger gearbox is used
NO....
If the 99 had a 350 vorteck in it, then it will not fit. In late 1999 GM stoped making the 350 engine and redesigned the engine block and Transmission.
YES they are the same.
YES
Yes, The foglights from a 2003 Silverado will fit a 2007 Silverado.They are the same exact part.I know that they will go into a 2007 Silverado Classic. I am not sure if they will fit the 2007 new style Silverado. Answered By Skog-Anoka,Mn
Yes same engine.
No everything about it is different.
The parts should fit.
Yes it will if the 700r4 is out of a 4x4 to start with.
Not if it is a classic 1999 siverado.
yes it will.you might need to change drive line length but it will go right in