Hi Bob,
In the U.S., check with Ken at _www.britishframeandengine.com_
(http://www.britishframeandengine.com) . He sold me an alloy pump for my car
(TR4) and
imports a number of Triumph performance products from Darryl Uprichard at
Racetorations and from other sources. I think he also offers an alloy pump for
TR6.
Last I heard Ken is still pretty active in Triumph vintage racing, although
he's
not driving anymore. For that reason, best time to reach him during race
season is usually Monday through Thursday. BTW, I see that clicking on his
email
link on his homepage *still* generates an incorrect address. His email is
correctly stated there as _bfeken@copper.net_ (mailto:bfeken@copper.net) , but
clicking on the link will pop up an incorrect _bfeken@copper.com_
(mailto:bfeken@copper.com) . I think it works correctly everywhere else on his
site. Ken loves
to talk Triumphs, so if you call instead, be sure you have plenty of minutes
available on your phone plan! ;-)
The alloy pump I got from him (and Racetorations) has a high performance
impellor with six curved blades and is better made than many of the less
expensive rebuilds/repros I've seen in recent years. For one thing, it was very
neatly machined so that the pulley couldn't possibly rub against the housing,
which
is an all too common problem on other TR2/3/4 repro pumps. I've had no
experience with TR6 pumps, so can only assume they are as nicely set up. In the
TR2/3/4 version, besides some weight reduction, the pumps will move more
coolant
and are much less prone to cavitation at high rpms. For TR2/3/4, there is also
a pump housing available in aluminum, for weight further reduction and perhaps
a little more heat transfer, along with alu pulley's offered as part of
either thin-belt/alternator conversions or in standard widths. Of course,
things
are set up quite a bit differently on your car, so what's available or
necessary
will vary from the 4 cyl. cars.
I'd say the person whose rad went South was due for a new one anyway! The
radiator in my TR4 was rebuilt a few years ago... but I'd still like to go to
alu
eventually. I'd suggest anyone pressure test their rad along with all the
rest of the coolant circuit before installing a high performance water pump.
One alternative I've noticed - at least for TR2/3/4 - is an electric water
pump being offered by Neil at Revington TR in the UK (_www.revingtontr.com_
(http://www.revingtontr.com) ). I haven't had any experience with it, but at
least
in theory it should free up a few horsepower and might be set up with a
thermostat to cycle on and off as needed.
Cheers!
Alan Myers
San Jose, Calif.
'62 TR4 CT17602L
_http://www.triumphowners.com/640_ (http://www.triumphowners.com/640)
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*****
Just curious...... I ran into a few people at VTR who were running alloy
water pumps. I did a quick Google but can't find any. So, who sells them and
what are the advantages? One guy installed an alloy pump and the output was
so great that it blew out his stock radiator! Good thing he had a Wizard
Cooling Aluminum radiator on hand!
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