Here is the link to VW Motorsports Polo power feature! http://www.volkswagen-motorsport.com/index.php?id=1377&L=1
The pPolo Mk 1 came on00 the market a couple months later than the Audi 50 Misczyk Tuning and Nothelle Tuning had build each an Audi 50 to gr2 rules Engines were by Dr Schrick > 1150 cc -115 PS @ 8000 rpm Bickel Tuning ran at first a gr2 Polo in 1975 and in 1977 a Turbo charged gr5 Polo`s in the DRM ( Deutsche Rennsport Meistershaft) http://z3.invisionfree.com/Mk1_Polo_Club/ar/t3354.htm http://www.volksforum.com/forum/printthread.php?t=30543&page=23&pp=40 ( scroll down near bottom of page) Muller Tuning ran a a gr2 Polo Mk1 1300/ 156 PS for Inez Muhle https://www.google.be/search?q=mull...SoSCfPXc7h6NAjbEUC-Wad4mG5Y&q=muller polo gr2 and some more Polo`s : http://www.clubgti.com/showthread.php?151727-Old-New-Skool-VAG-Motorsport-Pics/page4