[ROVERNET - UK] P6 interference/free running?
rovertcv8 at yahoo.com
Tue Dec 11 03:15:42 GMT 2007
Ok...I can answer this...It IS A Interferring
motor...ABSOLUTLY......you have to have the cam set up
with the motor to turn otherwise you WILL bend a
valve....I know...been there done that....
Just had to a my "2 bits" worth
--- Vern Klukas <vern at inkspotco.com> wrote:
> >Nathan and Vern,
> > You have me worried! I recently
> fitted a 2000
> >engine with new 9:1 pistons. With the head off, the
> >rotated fully. With the head on but without the
> timing chain
> >connected, I could not turn the crankshaft a full
> 360 degrees --
> >almost but not quite. With the timing chain on
> everything rotates
> >smoothly. What have I done wrong? The engine is not
> yet back in the
> >car, so I don't know if it actually runs.
> Ron V.
> I think my memory may of led me astray, glad you
> spoke up Ron (Temmie
> is doing fine, BTW). It was more than 20 years ago,
> after all.
> I'm wondering if the engine is actually an
> interference engine and,
> in the failures I described the broken bit of
> camshaft came to rest
> with both valves closed. That actually seems almost
> reasonable, given
> the torque needed to rotate the camshaft. In that
> case, the engine
> would still rotate freely.
> The workshop manual clearly warns against rotating
> the engine without
> timing chains, "otherwise damage to the valve heads
> and piston crowns
> may result"
> Lets lean on the side of caution and say that the
> engine is an
> interference engine.
> Vern Klukas I'm a little
> . . .
> Inkspot Type & Design
> vern at inkspotco.com
> rovernet mailing list
> rovernet at lyris.ccdata.com
> To unsubscribe, go to this web page, look near the
> bottom and follow instructions:
> Back-up list and photos at:
Never miss a thing. Make Yahoo your home page.
More information about the rovernet