Thanks, John! The rotor/housing is about 3/16" longer in the "mystery"
unit, and "microphone" is a great way to describe the way the pick-up looks.
Anyone have a late model version they want to sell? I have an early and a
mid model, but after John's evaluation, I doubt anyone wants them . . .
----- Original Message -----
From: "John Kipping" <johnkipping@inet.net.nz>
To: "Scott Janzen" <s.janzen@comcast.net>; <fot@autox.team.net>
Sent: Wednesday, March 30, 2005 4:28 PM
Subject: Re: Oil Pump - My GT6 has one that is not the early or late model -
ID?
> There are three different GT6 oil pumps. Early ones have a cast iron body,
> the middle ones have an alloy body, square type pick up but the same
length
> rotor kit. Late ones (fitted to most Mk IIIs) have a microphone type gauze
> pick up (alloy body) but most important a longer rotor set. The pump was
> changed in all other Triumph six cylinder engines at the same time, so
TR5s
> and early 6s have the square pick up type - all post 71 engines have the
> bigger pump. You may be interested to know that a service bulletin was
> issued for the square pick up type as the inverted gauze is prone to
> clogging - dealers were told to loosen the sump enough to prise the gauze
> off the pump and run without one.
> John Kipping
> ----- Original Message -----
> From: "Scott Janzen" <s.janzen@comcast.net>
> To: <fot@autox.team.net>
> Sent: Thursday, March 31, 2005 3:49 AM
> Subject: Oil Pump - My GT6 has one that is not the early or late model -
ID?
>
>
> > As I build up a second race motor, I keep comparing to the one I already
> have.
> > The "original" motor has a pump with several key differences to the
early
> and
> > late pumps I have, which match the photos in Kas' 1st (recent) book on
> page
> > 130.
> > - more rounded body - bolt castings are more integrated.
> > -discharge is more of an elongated slot that matches the block casting,
> then
> > the rond holes on stock units
> > -Pickup goes off at an angle, like the "late" model, but the body is six
> sided
> > rather than rectangular, and this one is either original or modified
with
> a
> > short piece of pipe threaded into it and a bulb shaped screen on the
end.
> >
> > so, what is it (TR6?), and are there any benefits to it, such as the
> improved
> > discharge?
> >
> >
> > --
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> >
> >
>
>
>
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