[Author Prev][Author Next][Thread Prev][Thread Next][Author Index][Thread Index]

Re: Interference fit, again

> MHLIGGINS@aol.com wrote:

> >         When the engine is running it most definitely IS an interference fit.
> > Somewhere I still have pictures of the head from my '87 turbo engine if you
> > need definitive evidence of what happens.

> I'll expand on that to say that even the starter turning the engine over
> is fast enough to introduce the valves to the pistons.  (Yes, most of
> you can assume why I know this!)

I believe we couldn't even turn Pete Kunzler's 'new' MC engine over by hand
when we found the static timing wrong for some reason or other and
had to turn the crank relative to the cam.

However, the original subject of this thread was a NA 5k engine,
which by most accounts, doesn't bend valves...