1992 Mercedes Benz 190e 3.0l turbo project. On my spare time making a custom turbo kit . Custom exhaust equal length runners , i had no time to tig the pipes together ,pulled out the mig welder .audi 5000 external waste gate. Tried to make a methanol enrichment Venturi under boost , it worked but not the way I like . Next step additional injector controller from splitsec. I will try keep people posted . Trying to keep costs to a minimum .