> I bought a 87 4kcsq that did not run last week. Turns out that it has a > broken pistion. Here is the dumb question part. Can you replace one > piston, with a used one from a similar engine. Yes. You can even bore out one cylinder and fit one oversize piston. -- Phil Payne http://www.isham-research.com/quattro +44 7785 302 803 +49 173 6242039