I made a trip to one of the local breakers in search of a throttle body off
a late injection car but it's quite hard to find one without too many
sensors bolted on!! The biggest butterfly equipped one I found was off a
Mitsubishi Galant 3.0, the butterfly was a good size but the body around it
was far to wide to work on the triumph. He only wanted NZ$30 for it too!!
I'll try the Ford wrecker next. The Australian built straight-6 4.0L Falcon
might be less sophisticated than the jap cars. It would line up with BHP
figure ok, I think they ran at around 190bhp.
Regards
DaveW
----- Original Message -----
From: "Michael D. Porter" <mporter@zianet.com>
To: "Dave W" <dw_triumph@clear.net.nz>
Sent: Thursday, March 15, 2001 8:21 PM
Subject: Re: new air intake for PI's?
>
>
> Dave W wrote:
> >
> > Hi everyone,
> > The butterflies on my PI's intake manifolds are leaking quite badly and
as a
> > result when I take it up to say 3000rpm in first then stand on the
clutch
> > for second it stays at around 3000, it gets annoying as you can
imagine!!!
> > So what I'm wanting to do is to get rid of the 6 original butterflies
and
> > put one big one at the end of the main black air chamber, which will fix
the
> > leaking and I won't have to bother with the linkages getting in the way
with
> > a tubular sports exhaust manifold.
> > I've seen if done on a TR6 a few years back but I don't know what model
of
> > (Japanese?) car it can off.
> > Does anyone have any idea???
>
> As I recall, this is one of the things which got Lucas fairly torqued
> off at Triumph for specifying. They envisioned running the system from a
> single butterfly. What you might try looking around for is a throttle
> body from a digital fuel injection car of similar displacement. I think
> anything in the junkyards after 1990 would probably do fine, as long as
> the maximum horsepower of yours matches that of the donor car. That
> would more or less ensure that the airflow required through the throttle
> body were sufficient. Look, for example, for any post-1990 Toyota Supra
> V-6 throttle body, and you'll probably find what you need.
>
> Cheers.
>
> --
> Michael D. Porter
> Roswell, NM (yes, _that_ Roswell)
> [mailto:mporter@zianet.com]
>
> `70 GT6+ (being refurbished, slowly)
> `71 GT6 Mk. III (organ donor)
> `72 GT6 Mk. III (daily driver)
> `64 TR4 (awaiting intensive care)
> `80 TR7 (3.8 liter Buick-powered)
> `86 Nissan 300ZX (the minimal-maintenance road car)
> `68 VW Type II Camper (Lancia twin-cam powered, but feeling its age....)
>
> Remember: Math and alcohol do not mix... do not drink and derive.
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