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styler
Forums Junkie


Location:
brisbane
Registered:
October 2004
trumpets / ram tubes weber 45mm Mon, 07 February 2005 07:01 Go to next message

whats the opinion on trumpets and ram tubes for
carbs, where are they avaliable in brisbane?
so far iv spotted a pair in aus somewhere for
about $55 from some performance shop
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Fr3aK
Regular


Location:
Wollongong
Registered:
January 2005
Re: trumpets / ram tubes weber 45mm Mon, 07 February 2005 07:35 Go to previous messageGo to next message
My opinion is: "Use them."

BUT, like everything else with the Webers, regarding tuning, you'll need a few different sets. So you can test them all out and 'see' what 'feels' better.

Rule of thumb => Shorter trumpets for top end performance, longer tubes for bottom end/ mid range squirt.

Here's what i use:
http://memimage.cardomain.net/member_images/8/web/488000-488999/488691_33_full.jpg
Guess where i want power...

A good shop in QLD is Revheads Performance Supplies.
Call: 1800 634 788 or (07) 3891 5566
5 Holden ST
Wooloongabba, QLD

[Updated on: Mon, 07 February 2005 07:39]

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M.J.H
Forums Junkie


Location:
Newcastle
Registered:
April 2003
 
Re: trumpets / ram tubes weber 45mm Mon, 07 February 2005 08:08 Go to previous messageGo to next message
If you can find them use the original webber ram tubes.Only avalible s/h now but still the ones to use.
Failing that then some like in the pics and just make sure you use the long uni filters not the short ones as they suck down onto the tube and cause a restriction at high revs.
Anyway good luck and hope you find something to suit.
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Fr3aK
Regular


Location:
Wollongong
Registered:
January 2005
Re: trumpets / ram tubes weber 45mm Mon, 07 February 2005 08:13 Go to previous messageGo to next message
Yeah, filters increase the life of your engine somewhat Rolling Eyes . I have long Unifilter socks on mine x4.

It's a bit hard to show you my trumpets with them on tho...
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4a-c
Regular


Location:
Sutherland Shire
Registered:
April 2003
Re: trumpets / ram tubes weber 45mm Mon, 07 February 2005 08:52 Go to previous messageGo to next message
Yeah the short filter socks are shit, ive wrecked 3 of them with a silvertop 20v. They get sucked so hard it splits the foam Shocked
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fester
Regular


Location:
Gympie Qld
Registered:
December 2004
Re: trumpets / ram tubes weber 45mm Mon, 07 February 2005 10:50 Go to previous messageGo to next message
There used to be a place in Deshon St (not sure of spelling) Wooloongabba called Lynx or something and they sold everything Weber and carb in general. Make sure you get something with a radius like in teh picture and be careful about how your chokes are held in. Can't remember which is which but either the 40's or 45's had the chokes held in by the ram tubes slotting in around them so if you can't get those type of trumpets you need something to hold the chokes in firmly.

Also you should use ram tubes even if you use full air filter assemblies like the K & N etc. This is to provide a smooth transition for the air entering the mouth of the carb. Air doesn't go around square corners very well.

Don't the short socks have springs in them to stop them sucking in or is it the end surface that gets sucked in.
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M.J.H
Forums Junkie


Location:
Newcastle
Registered:
April 2003
 
Re: trumpets / ram tubes weber 45mm Mon, 07 February 2005 17:53 Go to previous messageGo to next message
fester wrote on Mon, 07 February 2005 21:50



Don't the short socks have springs in them to stop them sucking in or is it the end surface that gets sucked in.


It's the ends that get sucked down onto the tube which then restricts the airflow causing the mtr to over fuel badly.
Have seen it happen on several cars inc mine.We all use the long socks now.
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Ben Wilson
Forums Junkie


Location:
Canberra
Registered:
May 2002
Re: trumpets / ram tubes weber 45mm Mon, 07 February 2005 21:06 Go to previous messageGo to next message
A mate has a rally Escort which he had to fit mesh over the end of his trumpets to stop the short socks getting inhaled into the motor. There wasn't enough room for long trumpets...
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Redwarf
Regular


Location:
Brisbane
Registered:
February 2005
Re: trumpets / ram tubes weber 45mm Tue, 08 February 2005 05:18 Go to previous messageGo to next message
Carb-tech in Redcliffe. Iain Stewart wrote the book on Webers. He's in the phone book. He'll tell you what you need, and will get it for you.
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styler
Forums Junkie


Location:
brisbane
Registered:
October 2004
Re: trumpets / ram tubes weber 45mm Tue, 08 February 2005 07:14 Go to previous messageGo to next message
hey i know Ian!

he has tuned my car a few times, up in redcliffe
well ill get in contact with him then
cheers
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Redwarf
Regular


Location:
Brisbane
Registered:
February 2005
Re: trumpets / ram tubes weber 45mm Tue, 08 February 2005 07:41 Go to previous messageGo to next message
He's done both sets of my webers, and a pair of SU's. The guy has forgotten more about carbies than most of us will ever know...
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NAMDAMAMI
Occasional Poster


Location:
England
Registered:
November 2004
Re: trumpets / ram tubes weber 45mm Sun, 13 February 2005 22:22 Go to previous message
Socks are to stop small animals from crawling inside your engine. The only acceptable use for these are on a race car when it is not racing.

You are much better off with a K&N type washable filter. On non-crossflow motors it is a good idea to use or fabricate an air box to keep the heat away; or create a heat shield between the inlet & exhaust manifold.

Ram pipes will smooth the air flow into the carb. This provides an element of acceleration to it with a venturi effect thus improving the cfm rating for a given carb spec'.
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