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Car Forum / UK Car Forums / Classic Cars (UK group) / August 2006Spitfire fuel meter problem
Long story short: Fuel tank read empty. I filled it up to the brim, but it was only 7.5(US gallons). Fuel tank spec says it's 9.9US gallons. Looks like my fuel tank sending unit's a bit pessemistic. I hear a knocking sound when it's low on gas. Did my fuel float get filled up, thus rendering a too-low reading? Shame if it is, since I replaced it new about 6-7 years ago. > Fuel tank read empty. I filled it up to the brim, but it was only 7.5(US > gallons). Fuel tank spec says it's 9.9US gallons. Your reserve is going to add another half gallon (?). I'd say that's about as accurate as you can expect. And anyway, it's better than reading quarter full when it's empty. Personally, I fill up when the trip mileage reading gets towards 180 miles in the Triumph or 250 in the Rover, but then their fuel gauges don't work at all. >> Fuel tank read empty. I filled it up to the brim, but it was only 7.5(US >> gallons). Fuel tank spec says it's 9.9US gallons. [quoted text clipped - 5 lines] > in the Triumph or 250 in the Rover, but then their fuel gauges don't work > at all. Does a 1500 Spit have a reserve then? If so I'm oblivious to it .... but of course that's quite possible. >>Your reserve is going to add another half gallon (?). > Does a 1500 Spit have a reserve then? If so I'm oblivious to it .... but of > course that's quite possible. Ah, making a wrong assumption, was I? The Herald and Vitesse has one, so I thought the Spit would as well. On the Vitesse, there's a lever around where the fuel pipe leaves the tank. You have to open the boot to switch to reserve, which is a pain, but not as bad as being stuck in the middle of nowhere. > Fuel tank read empty. I filled it up to the brim, but it was only 7.5(US > gallons). Fuel tank spec says it's 9.9US gallons. > Looks like my fuel tank sending unit's a bit pessemistic. I hear a > knocking sound when it's low on gas. Pretty well all older vehicles have gauges that read empty when there's still some fuel left.  Signature*I believe five out of four people have trouble with fractions. * Dave Plowman dave@davenoise.co.uk London SW To e-mail, change noise into sound. S1500 <s1500@comcast.net.nospam> realised it was Mon, 14 Aug 2006 23:15:25 -0500 and decided it was time to write: >Did my fuel float get filled up, thus rendering a too-low reading? Shame >if it is, since I replaced it new about 6-7 years ago. It's not uncommon. The repro float on my TR3 filled up and that was less than five years old. It looked like it was punctured in production, when attaching the wire loop to the float. You're in luck, though: the float thingy is much easier to get at on a Spitfire than on a TR3. :-) SignatureY. 'All parts falling off of this car are of the highest quality British manufacture' > Long story short: > [quoted text clipped - 6 lines] > Did my fuel float get filled up, thus rendering a too-low reading? Shame > if it is, since I replaced it new about 6-7 years ago. My present car , old but not a classic , holds 70 litres if I fill it when the warning light comes on I can never get more tha 50 litres in . so there are 4 gallons sploshing round in there when it says empty. Steve the grease > My present car , old but not a classic , holds 70 litres if I fill it > when the warning light comes on I can never get more tha 50 litres in . > so there are 4 gallons sploshing round in there when it says empty. My 'new' one has a 'miles to empty' function on the OBC, and running it very low (under 10 miles left) on the motorway once when I expected a service station but there was none, it actually took the whole stated capacity of the tank. It has got twin senders in the fuel tank though to try and give an accurate reading under all conditions. It's interesting to watch the miles to empty after a cold start. As the engine warms up the miles remaining actually increases... Signature*I took an IQ test and the results were negative. Dave Plowman dave@davenoise.co.uk London SW To e-mail, change noise into sound. > My present car , old but not a classic , holds 70 litres if I fill it > when the warning light comes on I can never get more tha 50 litres in . > so there are 4 gallons sploshing round in there when it says empty. Or somebody's been a bit careless with a trolley jack! |
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