It has everything to do with the fuel system or turbo. PSI is a measure of resistance. What are you actually asking here? how much power can you make?jingledic wrote:what is the max psi you can run on rb20's internals not the fuel system or turbo
Answer:jingledic wrote:thank you so you can push around 400 horse on the stock internals?
DriftingisLame wrote:They dont "max" out at a certain set pressure. There is way more variables here that you are overlooking.
I think a better answer to your question would be how much can a stock block handle safely? Many have seen over 400 wheel hp with a proper tune.