SuzukiSavage.com - Re: Ram pipe

LANCER Serious Thumper Alliance Member Offline Savage Beast Performance Parts Posts: 10673 Oklahoma Gender:	Re: Ram pipe 09/09/05 at 05:52:16 Very nice job! Why did you choose to call this a "ram pipe" instead of a velocity stack?
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klx650sm2002 Serious Thumper Offline The more I learn the less I know. Posts: 2041 Cumbria,England Gender:	Re: Ram pipe Reply #1 - 09/09/05 at 08:09:45 I nearly called it a bellmouth. Clive W
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vroom1776 Serious Thumper Offline Posts: 2110 Gender:	Re: Ram pipe Reply #2 - 09/09/05 at 15:47:11 So what exactly does a velocity stack do? Why run one instead of a "good" air filter? How long is the neck to your V-stack, clive? And I take it it is a 41 mm throttle body?
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Paladin.

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Re: Ram pipe
Reply #3 - 09/09/05 at 16:27:52

Newton's First Law of Motion:
I. Every object in a state of uniform motion tends to remain in that state of motion unless an external force is applied to it.

This includes air molecules.

The airflow through a carburetor is pulsed, not steady. When the intake valve opens there is flow through the carburetor. When the intake valve closes the flow is halted. Or would if not for the first law of motion. The inertia of the air/fuel molecules tend to keep them moving toward the intake even when it is closed, resulting in a bunching up in front of the intake valve waiting for it to open. This causes a slight increase in the pressure in the intake which tends to cause a greater amount of fuel/air mixture into the cylinder when the vlave does open. A longer, smoother passage would increase this effect, giving you a bit of supercharging.

That is the rough theory behind it. Making it actually work is a matter of applied physics, heavy duty math, and/or a lot of trial and error.

Which is why I will be doing a 4900 mile round trip if/when I get my Flat Slide.

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klx650sm2002

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Re: Ram pipe
Reply #4 - 09/10/05 at 03:06:17

V-stack is 38mm long (as short as I could make it and still fit a filter) with an internal taper of 10 degrees.
I have also fitted a car air filter rated at about 55 bhp so that is well in.
The carb is called a 41 but actually measures 42mm.
If you see the little brass part bottom right of the venturi that is the nozzle for the accelerator pump.

Clive W Cheesy

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klx650sm2002 Serious Thumper Offline The more I learn the less I know. Posts: 2041 Cumbria,England Gender:	Re: Ram pipe Reply #5 - 10/09/05 at 02:08:33 Hey Paladin, I didn't notice before but You mention getting a flat slide, is this a Mikuni or a Keihin?have You got one yet? Clive W
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PerrydaSavage Serious Thumper Alliance Member Offline Riding "The Rock"! Posts: 3522 Republic of Newfoundland Gender:	Re: Ram pipe Reply #6 - 10/09/05 at 05:38:46 Has anyone ever thought about if a hyper-charger would fit on the LS' carburator? Saw one recently on a 750 Shadow Spirit and thought it looked great ... also started wondering if something like that could be modded for the Savage/S40?
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Paladin. Serious Thumper Offline Hamster Posts: 4929 Sunny Southern California Gender:	Re: Ram pipe Reply #7 - 10/10/05 at 00:44:30 klx650sm2002 wrote on 12/31/69 at 16:00:10: Hey Paladin, I didn't notice before but You mention getting a flat slide, is this a Mikuni or a Keihin?have You got one yet? Clive W Eldebrock, and it's in the "when I win the lottery" class -- unless the stock carb self-destructs. Bike performs acceptably as is.
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klx650sm2002 Serious Thumper Offline The more I learn the less I know. Posts: 2041 Cumbria,England Gender:	Re: Ram pipe Reply #8 - 10/10/05 at 02:38:31 Hey PerrydaSavage What is a hyper-charger,sorry for being stupid. Clive W
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Jim_R Ex Member	Re: Ram pipe Reply #9 - 10/10/05 at 11:01:10 a hypercharger is attached to the intake of the carb. here is a pic of one off ebay KURYAKYN PRO-SERIES HYPERCHARGER - YAMAHA ROAD STAR
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klx650sm2002 Serious Thumper Offline The more I learn the less I know. Posts: 2041 Cumbria,England Gender:	Re: Ram pipe Reply #10 - 03/02/06 at 02:40:24 Sorry I had to put this here, strange things going on with my machine. Clive W
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vroom1776

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Re: Ram pipe
Reply #11 - 03/02/06 at 07:03:27

To put that hypercharger on there, you'd need to:

1. make a bracket to hold it.
2. make a new intake tube that hooked up to it
3. either find an HC that has a round mouth or make an adapter.

These thing only look good, they don't really do anything. They "valves" run off the vacuum, I believe. As they say on the V* forums, "Pods for go, hypercharger for show." i.e. KN pod filters

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