mgs
[Top] [All Lists]

Re: SU's vs Webers when converting a rubbernose

To: "Steven Tritle" <stritle@epix.net>, "Mike Gigante" <mikeg@vicnet.net.au>,
Subject: Re: SU's vs Webers when converting a rubbernose
From: "bill" <pplusb@northlink.com>
Date: Tue, 24 Nov 1998 16:54:37 -0700
Agreed - can't bump an SU off once set properly.  Also, they work better
than Webers!!
-----Original Message-----
From: Steven Tritle <stritle@epix.net>
To: Mike Gigante <mikeg@vicnet.net.au>; mgs@autox.team.net
<mgs@autox.team.net>
Date: Tuesday, November 24, 1998 3:41 PM
Subject: Re: SU's vs Webers when converting a rubbernose


>Sounds more like SU's than Webers.
>
>Steve
>52 TD
>Mike Gigante wrote:
>
>> Webers just sound so much better :-)
>>
>> In addition, unlike SUs, they are "set and forget" - they don't drift out
>> of tune, and they are less prone to wear problems. If they are set up
>> correctly, they are wonderful.
>>
>> Mike
>>
>> -----Original Message-----
>> From: Neil Cotty <neilc@tradesrv.com.au>
>> To: MG Mailing List (E-mail) <mgs@autox.team.net>
>> Date: Monday, November 23, 1998 10:01 PM
>> Subject: SU's vs Webers when converting a rubbernose
>>
>> >Hi all,
>> >
>> >I've read quite a bit lately on SU's, Webers etc and I'm not sure why
there
>> >are so many people out there with rubbernose cars converting to a Weber
>> when
>> >they could convert to SU's. As far as I'm aware a single Weber *may*
have
>> an
>> >advantage at very high RPM's (3-5 bhp according to the Special Tuning
>> manual
>> >with other mods) but SU's have the advantage lower down, producing more
>> >torque - at least thats what I hear from many racers and the books I've
>> >read - but essentially overall performance is similar - power band is
>> >different. If you own a single carbed B why not replace them with dual
SU's
>> >instead of a single Weber? They leave more space in the engine bay
thanks
>> to
>> >the smaller intake, and are more 'original' than webers. They also look
>> >quite pleasant! I'm not bagging Webers (I'd love a pair of sidedraft
DCOE's
>> >and a xflow head!) I'm just genuinely wondering why Webers are chosen
>> before
>> >SU's. Is it a supply issue or one of 'perception', as Webers are really
>> seen
>> >as performance carburettors..
>> >
>> >I'd like to hear some comments on this rubbernose issue. The Weber route
is
>> >chosen far more often than the SU when changing from single carbs to
>> >increase performance (*without* other engine mods!! not talking about
head
>> >work, headers etc) - I'd think you'd get similar performance by going to
>> >dual HS4 SU's on a std car. I've never experienced a late model
rubbernose
>> >so I can't appreciate how 'impaired' they actually are. My GT is no
>> >bahnstormer even as std with 94hp, in good nick with dual carbs, a lot
more
>> >has to be done to improve it's performance! Heck even my A eats it for
>> >breakfast! <G> Yes, it really does.
>> >
>> >Cheers,
>> >Neil.
>> >--
>> >Neil Cotty - Sydney, Australia
>> >1970 MG B GT / 1959 MG A 1600 Mk1
>> >
>
>


<Prev in Thread] Current Thread [Next in Thread>