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8797 messages,  Last post on Nov 22, 2009 at 1:14 PM

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What is this discussion about? Fuel System

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#8778 of 8797 Re: Filled up... [fezo] by jae5 Nov 03, 2009 (8:40 am)
Replying to: fezo (Oct 30, 2009 5:30 pm) In that case, forget BO and the crew for taking credit for the stimulus' job creation - we're doing it!!
#8779 of 8797 Re: Filled up... [jae5] by andre1969 Nov 03, 2009 (9:54 am)
Replying to: jae5 (Oct 28, 2009 9:17 am) Let your wife know that in-tank pumps really don't like constantly being ran empty, the fuel actually helps keep them cool. But seeing as it's a GM I'm sure the tank probably has about 3 ~ 5 gallons left when the gauge reads empty.   Hmm, that's good to know. Maybe that's one reason why my Intrepid's low fuel light comes on when it still has about 4 gallons left, while my '79 New Yorker, which still uses the old mechanical pump mounted at the front of the engine, triggers the light with only two gallons left.   I'm sure those in-tank fuel pumps aren't exactly cheap to replace, either. Replies to this message: 210delray (Nov 03, 2009 6:35 pm) steve_ (Nov 03, 2009 6:41 pm) jae5 (Nov 06, 2009 10:30 am)
#8780 of 8797 Re: Filled up... [andre1969] by 210delray Nov 03, 2009 (6:35 pm)
Replying to: andre1969 (Nov 03, 2009 9:54 am) I've also heard that it's a myth to run the tanks down to near-empty because of overheating in-tank fuel pumps. I'm not certain who's correct on this. A question for Shifty perhaps?   But I do usually fill up before the light comes on. And you're absolutely right that in-tank pumps aren't cheap to replace.   We're now in the low $2.50s range for RUG in central VA. But there are huge variations for the higher grades -- some places have the once-typical 10-cent increments, while others are pushing nearly 20 cents! I guess it says premium buyers aren't as price sensitive. Replies to this message: steve_ (Nov 03, 2009 6:41 pm)
#8781 of 8797 Re: Filled up... [210delray] by steve_ HOST Nov 03, 2009 (6:41 pm)
Replying to: 210delray (Nov 03, 2009 6:35 pm) The fluid (gas) keeps the pump cool and makes it last longer.   I rarely fill up until my tanks get down to E though, and often not until the light comes on, and I've never burnt a fuel pump up.   Gas remains $2.69 for regular here in Boise. It's been holding there for weeks and weeks.
#8782 of 8797 Re: Filled up... [andre1969] by jae5 Nov 06, 2009 (10:30 am)
Replying to: andre1969 (Nov 03, 2009 9:54 am) Yes, I'm not sure if that's a coincidence or not but the fuel helps to dissipate the heat of the pump motor as Steve stated. Constantly running the tank empty allows the pump to not only be hotter externally (by not being cool on the outside) but also doesn't have the cooling effect of the fluid flow through it. Kind of like running an engine w/o coolant or running a tile cutter without cutting fluid. There may be a problem with aeration too. All my GMs were / are slightly different but the Olds' have be the closest together; the Chevies have been way apart. The Nissan could read empty and I'd still be able to drive it a couple days before having to put petrol in it. The Mercury, if it was low it was ready to stop on you!!   Most times you have to drop the tank to get to them, or remove the truck bed; a few vehicles have access panels but even then it's a pain. Oh, and most seem to go right after you fill the tank   Also about all in-tank pumps are pusher design, as are most aftermarket external electric pumps. They push fuel better than pull while the on-block, lever-type pumps are puller; they have the lever creating the vacuum or "pull", to pull the fuel to the carb.
#8783 of 8797 Yesterday's Fill-Up... by jae5 Nov 10, 2009 (4:41 am)
was for $2.65. Most other stations are at $2.72 or $2.76. Not sure what to expect in the next couple weeks with the upcoming holiday and official X-mas shopping kick-off.
#8784 of 8797 Central VA by 210delray Nov 10, 2009 (9:22 am)
Drifting slowly downward, very slowly. The cheapest for RUG is now about $2.50.   If you belong to Sam's Club or have a Kroger discount card, you can get it for a little less.
#8785 of 8797 San Diego gas sliding down slowly by gagrice Nov 13, 2009 (1:32 pm)
Filled at Costco this morning. RUG $2.69, lowest price since July. Most stations $2.79 - $2.99. Diesel averaging about $2.89. Replies to this message: fezo (Nov 13, 2009 3:37 pm) 210delray (Nov 13, 2009 8:08 pm) fezo (Nov 13, 2009 8:23 pm)
#8786 of 8797 Re: San Diego gas sliding down slowly [gagrice] by fezo Nov 13, 2009 (3:37 pm)
Replying to: gagrice (Nov 13, 2009 1:32 pm) I'll tell you one thing that going away from Jersey to Florida does - makes you appreciate Jersey gas prices! Down ther ethe cheapest I saw was $2.65. Oddly enough this was at the Hess station inside Disney World.   Got back home and was immediately $.20 cheaper!   Also found that while pretty thrifty on highways that Impalas get awfully thirsty around town! Replies to this message: 210delray (Nov 13, 2009 8:08 pm) fezo (Nov 13, 2009 8:23 pm)
#8787 of 8797 Re: San Diego gas sliding down slowly [fezo] by 210delray Nov 13, 2009 (8:08 pm)
Replying to: fezo (Nov 13, 2009 3:37 pm) The southeastern states actually compete fairly well with New Jersey, according to Gas Buddy, with the notable exceptions of Kentucky, North Carolina, and Florida. These states, along with West Virginia, must have higher state gas taxes.   When we drive to NYC to see our sons, we always fill up here in VA before we leave and then again in Jersey.   Our RUG is still slowly drifting downward, to $2.48 at Hess and $2.49 at Sheetz. Replies to this message: fezo (Nov 13, 2009 8:23 pm)

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