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Ripple engine running, fuel hose filter (TED20)

J

jacka

Member
My Ferguson have new timing gears and shaft. And new distributor bearing and checking. And carburetor checking. Everythink is ok. Still engine is sometimes rippling. I don't have carburetor original fuel line. I have small rubber hose, where is fuel line middle of line (check link).
Some local man tell me, that do not put fuel filter middle of fuel line (use original fuel line and original glass filter). He says, that engine is not running properly, because fuel is moving too slowly. And same filter could do, that carburetor overflow because fuel pressuse is too small and it can't pull carburetor float up as it should be.

Is that true?




http://classicparts4cars.co.uk/ekmps/shops/classic/images/mgb-fuel-filter-bha4952-gfe7004-419-p.jpg
 
An inline filter will work, I've used one. It's not the best way though. Fuel pressure does not raise the float, once there is enough fuel in the bowl the float will rise and shut off the fuel supply. If the fuel supply is restricted the engine won't run well at all. Symptoms of this are bogging/coughing when put under sudden load or quicky opening the throttle. Needing to have the choke partially on to prevent it from stalling etc.
If you are saying the engine is surging, I'm guessing that's what you mean by rippling, it could be a fuel related issue but it could also be a governor issue among other things.
 
To determine if you have sufficient fuel flow, remove the fuel line from the carburetor and run some fuel into a container. You should have a nice steady flow, not just a trickle.
 
Try a filter designed for gravity feed fuel systems . Some rely on pressure from a fuel pump and will restrict flow . Filters made for large older model motorcycles work well .
 
Thanks again for information. What do you think, is it necessary to put another filter (motorcycle fuel filter) or is it ok, if I use only original glass filter?
 
My TED has its original glass filter I have not had any problems yet . Make sure that the bronze wire mesh is still in place , it is often missing, this is what will stop most contaminants from reaching the carburetor . Running your fuel through a filter before filling the tank is a good idea .
 
(quoted from post at 10:54:23 10/22/15) My TED has its original glass filter I have not had any problems yet . Make sure that the bronze wire mesh is still in place , it is often missing, this is what will stop most contaminants from reaching the carburetor . Running your fuel through a filter before filling the tank is a good idea .
Click to expand...

Thanks. Where is that bronze wire mesh? Is it inside tank?
 

I am sorry but I haven't been able to post photos for a while, otherwise I would show you a picture , it seems to be a problem that has just occurred .
The bronze mesh is inside the glass filter , it sits up against the metal cover and is sealed by the rubber ring and glass bowl .It is a flat sheet with a hole in the centre .
There is a filter inside the tank , if you have not removed it yet I would do that as well , this sits above the fuel intake inside the tank and is the size of a cigarette . They corrode and block up causing many problems , remove them and throw them at your enemies ! There is no need for anything to replace them . If your tank is corroded inside put a few lead fishing sinkers into it , place the tank in a concrete mixer and pad it with rags or pillows to stop it moving . Start the mixer , the tank will rotate and the sinkers will rub any rust off the inside of the tank , at the same time they will smear rust resistant lead onto the steel . Wash out thoroughly before replacing and filling with fuel .
 
These old tractors have lots of filters and finding the one stopped up is always a guessing game. Once the glass bowl
is disturbed it's a pain to stop leaking.That's why I shotgun the system an install a ball valve with only one inline
filter. Only drawback is no reserve.
 
# 27 & 12 are FUEL STRAINERS as well as Inlet in TANK!
a203911.jpg

a203912.jpg
 
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