Connection rod cap nut tightening

[Jim Green]

--- Christo Atanasov <chris at maimex.bg> wrote:
> This is a multi-part message in MIME format.
> --
> [ Picked text/plain from multipart/alternative ]
> hi 2 all,
> yesterday I began to assemble my "new" old engine ;)
> finaly I decide to put in this 5 cyl 2.2, 5 pistons
> from VW 1.8. I think it would be good. I took new
> 2-nd overbore (81.5mm) Kolbensmidt pistons for about
> $67/ea. (not bad ;)) The only difference I can
> figure is in 3-rd piston ring.. realy not a big
> difference. so.. pistons in place, crancksaft in
> place ad tighten (65 NM on main cap bolts - is that
> right?).. I have some bad fealing about connection
> rod on 1-st cylinder.. one of its nuts good tighten
> to 50NM, but the other tighten to about 48, and when
> I try to put little bit more force - nothing happen
> - can't get this 50NM :(
> is this too bad? Is it possible to strip bolt strip
> if i try to get this 50NM?

Yea, it's possible if the threads had oil in them.
maybe your torque wrench is a little off also?
Measuring bolt streatch is the best way to tighten
these, but not everyone has one of those gauges.
Either way, I'd replace it if you have any doubts.
That would drive me crazy having that in the back of
my mind.  I'm bothered enough by the fact I didn't
replace all of mine on my last rebuild.

HTH,


=====
Jim Green
'89 90tq 034EFI Stage II
http://www.mswanson.com/~jgreen/car_home.html

__________________________________
Do you Yahoo!?
Yahoo! SiteBuilder - Free, easy-to-use web site design software
http://sitebuilder.yahoo.com