g`day,
i made some trumpets for my webers from some PVC tubing, only cost about
$1 for the set of 4, pretty good compared to the $25ea i was quoted for the
alloy ones. work great and made heaps of difference to performance,would be
just as easy to make for SU`s, got a pic here
http://www.geocities.com/paddy510/airhorns.jpg
Paddy
>From: "Denzil Palmer" <[EMAIL PROTECTED]>
>Reply-To: [EMAIL PROTECTED]
>To: [EMAIL PROTECTED]
>Subject: Re: Some SU questions
>Date: Sun, 10 Sep 2000 20:52:18 +1200
>
>Actually I made functional trumpets out of the original pressed-metal
>intake
>horns in the original orange backing plate by just steel-brazing some thick
>welding wire around the outer edge and filing it smooth for a good radius.
>They worked, there was induction noise, I also used a K & N filter element
>in the original housing, and drilled some extra holes around the edge of
>the
>housing.
>
>Cheap and very effective.
>
>----------
>From: "Tom Richardson" <[EMAIL PROTECTED]>
>To: <[EMAIL PROTECTED]>
>Subject: Re: Some SU questions
>Date: Sat, 9 Sep 2000 12:39 PM
>
>
>Thanks for the info Terry, I have found some trumpets that are pretty much
>the same length as the ones in that ghastly orange plate (probably safe to
>stick to for the time being I imagine), should get a nice induction noise
>now too :o)
>
>BTW, How much should a pair of Webers in reasonable nick cost? What about
>an inlet manifold to suit? Cheaper than the current quote of $750 ea I
>hope!
>
>- Tom
>----- Original Message -----
>From: Terry & Heather <mailto:[EMAIL PROTECTED]>
>To: [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>
>Sent: Saturday, September 09, 2000 1:39 AM
>Subject: RE: Some SU questions
>
>Tom,
>It is safe to vent the outlet from the rocker cover to atmo, by law you
>must
>fit a baffled filter which are available from most speed accessory shops.
>
>Can't answer the second question re SU's as I don't use and don't like em
>but for webers it makes a huge difference and I imagine that any side draft
>would benefit from tuning the intake to a varying degree. If you go from a
>restrictive air cleaner to a more efficient one remember to re-tune your
>mixtures as the immediate effect will be to run lean which is expensive if
>not corrected
>
>Terry
>-----Original Message-----
>From: [EMAIL PROTECTED]
>[mailto:[EMAIL PROTECTED]]On Behalf Of Tom Richardson
>Sent: Friday, 8 September 2000 11:26 PM
>To: [EMAIL PROTECTED]
>Subject: Some SU questions
>
>Hi list
>
>I have an incredibly ugly air filter on my 1.5" SU's, and would like to
>replace it with some trumpets and tubular-shaped air filters. Sorry for
>the
>been-answered-a-million-times-already questions....
>
>Is it safe to vent the outlet from the top of the rocker cover and the two
>outlets from the carbies to atmosphere? How does the length of an intake
>trumpet affect the power of an L-series engine?
>
>Thanks :)
>
>- Tom
>
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