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Fuel Filter - Function/Options

 
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Rob



Joined: 12 Oct 2005
Posts: 127

PostPosted: Thu Oct 13, 2005 7:15 am    Post subject: Fuel Filter - Function/Options Reply with quote

Jones4nitro asks:
What is the purpose of an in-line fuel filter?
What is the result of not using an in-line fuel filter?
How do different sizes behave (medium, large)?
I'm running a Hyper 7 w/ Hyper 21 engine, what filter do I need?


Jim Newman responds:
Mostly they just hold more fuel. Most all inline filters use a small screen for filtration. Pretty much all fuel tanks of any quality use a stone filter inside the tank. Anything that could possably get through the tank filter is far too small to get caught by that inline screen.
Except at "sanctioned" races it doesn't make any difference. Sanctioned event rules state that "total" fuel capacity will be a set number of CC's, period. The rules state that fuel capacity is measured including the fuel lines. So you gain nothing except the amount of time the engine will remain running when upside down. Of course you are not going to be in the A main by spending long periods on your lid either so it's a moot issue.


Flingdirt adds:
One thing to think about if you install a fuel filter is to etch an arrow onto one end so that if you remove it you can re-install it the same direction otherwise you risk flushing all the strained particles into the engine.
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