damage

hello guys. I bought a 1996 200sx s14 sr20det project for a good price..And the previous owner said the pistons needed a change. but it looks like the valves have been changed after the the damage to the head and piston since it does not have the same little holes as the rest of the head.In...

Im re-building the engine on my z32 and doing various mods, but im wondering whether its a good idea or not to install aftermarket underdrive lightened pulleys, ive found some good quality ones from the USA called unorthodox racing pulleys, but ive heard alot of debate as to whether they are a...