engine knock

So I just spent a lot of time and money rebuilding my Rangers 4.0 ohv after it developed a knock type sound at 340k miles (180k of which were mine). It appears only on tip-in and light acceleration to the naked ear. Except on cold startup when it can sometimes be heard briefly at idle after the...

So my 97 ranger 4.0 is leaking at the rear main seal. I was told that this was due to play in the crankshaft which is also causing a knock. Now I know my mechanic said it was a knock but I don't haveany symptoms of a knock, i.e. Economy loss, power loss, metal shaving in oil, etc. so I'm...

I went in a fairly large water hole n stalled my truck out we pulled it out and it started right up I pulled the air filter and she fired up but its got a bad ticking noise .... sounds like rockers but how would stalling out at low rpms damage the rockers I am debating pulling the valve covers...