Yes the archives are full of yeas and nays.
I can't speak for a Paxton car, but I can for this set up:
5 pound Roe, 1.7 roller rockers, Belanger headers and exhaust w/3" pipe, no cats, Unitrax 3.45 gear assembly, & Fidanza lightweight flywheel. Couldn't be happier with it.
The addition of...