TRExp

Triumphs List Archive

TR2 rough running update

Moss Motors
AutoShrine Sponsor
AutoShrine Sponsor
AutoShrine Sponsor
AutoShrine Sponsor

mailbot Avatar
mailbot Mail List Archive Bot
The Interwebs, USA   USA
This read-only message was archived from a public mail list.
Mail From: John Gillis <(email redacted)>

Further on from my rough runing engine that would not rev out and had low
vacuum
readings, while preparing to remove carbs and manifold to check for leaks I
discovered the float in the front carb was full of fuel, this should not be
the
cause of my problems, but ordered a new float, popped it in and......well it
starts, with a bit of coaxing when cold, but now ticks over and revs out once
warm, don't know why the float should have affected this?. Now the runing and
reving engine is popping alot through the carbs and the exhaust, also using
the
lifting pins on the carbs only ever lowers the revs, ie too rich and no
adjustment seems to change this. I fell I'm getting closer but still need
help.
John


John Gillis
Senior Conservator

_______________________________________________
(email redacted)
Donate: team.net/donate.html
Suggested annual donation $11.47
Archive: team.net/archive
Forums: team.net/forums


. Hide banner ads & support this website by becoming a > Gold Supporting Member <
mailbot Avatar
mailbot Mail List Archive Bot
The Interwebs, USA   USA
This read-only message was archived from a public mail list.
Mail From: Anthony Cascio <(email redacted)>

Hi Jihn,
Not that I am an expert, but I can tell you about my most recent problem which was very similar to yours.
Mine carbs have the vent tube on to of the float bowls and it had the wrong gaskets on it. it needed the bottom gasket to have the three little cutouts on it so the bowl can vent. My rear bowl was staying full and it drove me patzo for over a year.
Hope this helps.


Tony Cascio
58 TR3A
TS27093L
(email redacted)

_______________________________________________
(email redacted)
Donate: team.net/donate.html
Suggested annual donation $11.47
Archive: team.net/archive
Forums: team.net/forums


mailbot Avatar
mailbot Mail List Archive Bot
The Interwebs, USA   USA
This read-only message was archived from a public mail list.
Mail From: "Randall" <(email redacted)>

> Now the runing and
> reving engine is popping alot through the carbs and the exhaust, also
> using the
> lifting pins on the carbs only ever lowers the revs, ie too rich and no
> adjustment seems to change this.

It's the other way round, John. If lifting the pin only drops the rpm, then
the mixture is too lean. The backfiring is also a symptom of being too
lean.

Unscrew the mixture nuts by 2-3 flats and check again, I think you'll find
it's better.

If it was too rich, then lifting the pin would cause the engine rpm to rise
and stay up. Ideal of course is when it rises a bit and then falls back to
where it was.

-- Randall

_______________________________________________
(email redacted)
Donate: team.net/donate.html
Suggested annual donation $11.47
Archive: team.net/archive
Forums: team.net/forums


. Hide banner ads & support this website by becoming a > Gold Supporting Member <
mailbot Avatar
mailbot Mail List Archive Bot
The Interwebs, USA   USA
This read-only message was archived from a public mail list.
Mail From: "Bob Nogueira" <(email redacted)>

Randall,
In all my reading I've always seen the phrase " ...ideal
of course is when it
rises a bit and then falls back to where it was."

What I've never seen is how much is a 'Bit'? Can you put
RPMS to that or is it so small that I would not see it on a tach?

Bob
>
> > -----Original Message-----
> >
> > Unscrew the mixture nuts by 2-3 flats and check again, I
> > think you'll find it's better.
> >
> > If it was too rich, then lifting the pin would cause the
> > engine rpm to rise and stay up. Ideal of course is when it
> > rises a bit and then falls back to where it was.
> >
> > -- Randall

_______________________________________________
(email redacted)
Donate: team.net/donate.html
Suggested annual donation $11.47
Archive: team.net/archive
Forums: team.net/forums


mailbot Avatar
mailbot Mail List Archive Bot
The Interwebs, USA   USA
This read-only message was archived from a public mail list.
Mail From: "Randall" <(email redacted)>

> What I've never seen is how much is a 'Bit'? Can you put RPMS to that
> or is
> it so small that I would not see it on a tach?

I've never tried to watch the tach at the same time, Bob. But I would guess
that we are talking about perhaps 50-100 rpm increase. The change is quite
apparent to the ear, but I suppose that would not help if one were deaf or
whatever. The increase is rather brief, though, so I'm not sure how well it
would show up on a digital tach. The main thing is that it winds up where
it started, rather than distinctly higher or lower.

-- Randall

_______________________________________________
(email redacted)
Donate: team.net/donate.html
Suggested annual donation $11.47
Archive: team.net/archive
Forums: team.net/forums


. Hide banner ads & support this website by becoming a > Gold Supporting Member <

Sorry, you can't reply to this topic. It has been closed.


Having trouble posting or changing forum settings?
Read the Forum Help (FAQ) or contact the webmaster