datsun-roadsters
[Top] [All Lists]

Re: New head, same problem

To: datsun roadsters <datsun-roadsters@autox.team.net>
Subject: Re: New head, same problem
From: "Dana Nojima (CBN)" <noji@mail.ahc.umn.edu>
Date: Thu, 20 Apr 2000 13:44:33 -0500 (CDT)
Andrew/Fred/Laura,

Thanks for the input.  Checked the distributor and all looked fine there.
I tightened bolts on manifold and that seemed to help.  Maybe there was
some kind of vacuum leak at higher RMP.

Dana


> have you checked your distributor thouroughly?? i had a similar problem with
> my 2000 but at a higher rpm--it turned out the shaft was worn to a point
> where it would begin to wobble above a certain rpm and cause a pretty severe
> miss.  if you want to call me about it, i'm at work right now 518-477-5408.
> ask for andrew jacobs, jr.
> hope this helps
> >
> > I've replace the head with the valve seat that had dropped down.
> > Unfortunately the car is still not running correctly.  At about 3000rpm
> > the car stumbles.  This happens in all gears.  It comes up to 3000 without
> > any problem then it stumbles/backfires.  Potential problems are most
> > likely fuel or spark, so I've put in a new fuel filter, cleaned the
> > screens around the banjo fittings.  Made sure there was nothing blocking
> > the needles/seats and blew out the fuel line.  The spark seems fine at all
> > cylinders and all the plugs have the correct light brown color.
> >
> > Something that doesn't seem correct at all is that there is
> > potentially antifreeze being puked out of the front set of carbs.
> >
> > Becouse the car acted this way before I put on the new head, my guess is
> > that there isn't a problem with the new head gasket.
> >
> > So what else is left?  What would a cracked block act like?
> >
> > Other ideas?
> >
> > Thanks,
> >
> > Dana
> >      ___~@ \__       Dana Nojima
> >     ( ________ )     noji@snowman.med.umn.edu
> > _____0________0_____ VA San Francisco
> >                      (415) 221-4810 x 2031
> >
> 
> 

     ___~@ \__       Dana Nojima
    ( ________ )     noji@snowman.med.umn.edu 
_____0________0_____ VA San Francisco
                     (415) 221-4810 x 2031


<Prev in Thread] Current Thread [Next in Thread>