Here are pics of my work in progress. It has a 400 Pontiac it has a Holset HC1 off a 5.9 Cummins diesel Dodge.I used a factory passenger exhaust manifold off a 1980 turbo TA. I made a crossover pipe out of a Y pipe I cut up and re-welded. I made an oil return out of an old auto trans dipstick and piece of 1/4 thick steel for the flange. It has a 38mm E-bay waste gate. I did all of the fab work and welding myself. Read more ยป