Tim Campbell; Morristown, TN:Many people have the Olds 403 engine in their car and would like to upgrade. When you do the research on the Olds 403, you get a very broad range of opinions on the web ...

To maintain heads-up performance status with the NHRA's mountain-motored Pros, Smith built his Rocket Olds around a virtually bulletproof diesel bare-block. Over-bored and longer stroked, the ...