Re: [doc] Re: plunger in fuel distributer

[Nick Tomlinson <nickandkathryntomlinson@xxxxxxxxxxx>]

Checked fuel pressures yet?
 
Use diagnostics rather than part swapping..
 
NickT

blackaddertoo <blackaddertoo@xxxxxxxxxxx> wrote:



hi

thanx for the reply.

no there is no petrol in the venturi but looks pretty dirty.

i have not got my engine to run ok more than 1 minute since i bought 
her over from the US.

after 30 secs chugs and dies.


restarts ok then does same.

so am now doing the valley, plugs, rotor, cap, coolant pipe, y pipe 
sensors, water pump, replace all o rings, clean venturi, 
electroplate all brackets/bolts etc..

anyhting else while i have 5 minutes??.

also new petrol filter (did it 6 months ago but want to eliminate a 
problem for the sake of 10 quid)

Regards

Steve




--- In doc-uk@xxxxxxxxxxxxxxx, "Mike Bosworth" 
wrote:
>
> Steve 
> 
> It shouldnt be a 'very tight fit', if you hold the distributor up 
in 
> the air and push the plunger fully in and then let go, this should 
> plop out of the bottom 'quite' quickly with a little friction. The 
> seal on this part is through metal to metal contact. 
> 
> There should be no petrol in the air venturi, check out the link i 
> posted for its operation. Your not saying yours has :)?
> 
> Kind Regards
> 
> Mike
> #2001/403
> 
> --- In doc-uk@xxxxxxxxxxxxxxx, "blackaddertoo" 

> wrote:
> >
> > hi
> > 
> > when i say did not come out immediately, just meant it was a 
very 
> > tight fit.
> > looks clean though.
> > 
> > is the cavity under in the air venturi full of petrol when 
running-
> i 
> > assume not?.
> > 
> > Regards
> > 
> > Steve
> > 
> > 
> > 
> > --- In doc-uk@xxxxxxxxxxxxxxx, DANIEL SHANE 
> > wrote:
> > >
> > > Adding onto Mikes words, each metering head and
> > > plunger are matched, you cant take a plunger from one
> > > head and put it in the other. These things are
> > > precision made.
> > > 
> > > Try soaking it in acetone as it should not be
> > > sticking. If that fails you may need to get it
> > > rebuilt.
> > > 
> > > Dan
> > > 
> > > DMC Ltd.
> > > 
> > > 
> > > 
> > > --- Mike Bosworth 
> > > wrote:
> > > 
> > > 
> > > ---------------------------------
> > > --- In doc-uk@xxxxxxxxxxxxxxx, "blackaddertoo"
> > > 
> > > wrote:
> > > 
> > > 
> > > > the plunger did not come out immediately so does
> > > this mean it was 
> > > > sticking or is this normal.
> > > 
> > > 
> > > At rest the 'plunger'is weighted should move freely
> > > downwards by 
> > > gravity, the 'arm' on the metering flap moves this
> > > plunger up, if yours 
> > > is sticking then this needs to be resolved, it will
> > > effect your running 
> > > if it is sticking in certain positions.
> > > 
> > > On cleaning this up be careful not to score the
> > > surface of the plunger 
> > > it is a very delicately machined thing.I've heard
> > > people use acetone to 
> > > clean it up. Make sure the little o ring is in place
> > > on the underside 
> > > of the distributer where it bolts back on to the top
> > > of the metering 
> > > head. 
> > > 
> > > A fuel pressure tester is a good investment when you
> > > have fuel issues.
> > > 
> > > Regards
> > > 
> > > Mike
> > > 
> > > 
> > > 
> > > 
> > > 
> > > 
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