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'93 VX 2011 Annual results
Here's the tally for my '93 VX :
I bought it & started driving it the last week of Dec 2010 and have captured EVERY tank of gas since ! This timeframe covers from when it was only getting 35 mpg ( Running on a bad O2 ) which you WON'T see in my fuel log which would have dropped my "Lifetime" mpg a bit as it was for a month or two..., then 45 mpg ( O2 unplugged - a few month's ) & then my 50 mpg remainder avg... That being said, 2012 should yield a higher avg mpg now that the kinks are worked out. Lifetime Fuel Economy: 48.2 ( 12 months ) 90-day Fuel Economy: 52.33 ( has dropped as of lately due to driving habits & much colder temps & winter blend fuel ?? ) My garage will show Strong 50's+ mpg for the 2nd half of 2011 & a downward taper in Nov/Dec... ). Now, the behind the scenes results : VX vs 1991 5.0 Mustang !! Driving the VX the instead of my 5.0 ( I set up a spreadsheet to capture/calculate/total etc etc data for : GAS PURCHASE DATE PRICE PER GAL GALS PUMPED Total $ COST MILES DRIVEN MPG ( old school math method - trip meter miles/gals pumped ) STATION LOCATION PUMP # ( I used the same pump for the past 17 tanks and will continue to do so ) Then the spreadsheet calculates what it would have cost me to drive said amount of miles in the 5.0... Survey says : I SAVED $1645.73 in gas and consumed about 500 LESS gals of fuel !!! My "Mod's" : K&N air filter Tires inflated to 50 psi ( checked every Sunday ) MPGuino ( Worth it's weight in gold as it teaches you how to ecomod !! ) PCV oil "catch can" The PCV "catch can" still yields about a square inch of crud every 30 days... Anyway, hope this was somewhat entertaining !! Douglas |
PCV "catch can"
no engine should ever need a PCV Catch can , if yours does , that is one indication that your engine has bad piston rings or the piston rings may just be frozen with carbon in the lands because the engine has been operated with poor quality oil for many moons so stop using poor quality oil , now identify the problem and repair it , which will improve your fuel economy and make the use of a PCV Catch can UN necessary / irrelevant K&N air filters do not filter the air and do not improve fuel economy , as per 2 tests by the EPA and at least 1 test in IATN all in all K&N air filters are a terrible thing to use , so switch to an OEM type filter yesterday , for best results . |
If catch cans were pointless, cars wouldn't have a PCV system. Blow-by is expected, and catching it and disposing of it is better than running it through the motor, lowering the effective octane rating of your fuel and dirtying up your intake, throttle body, etc.
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a pcv system puts a partial vacuum to the crankcase.
partial vacuum to the crankcase can increase efficiency of the engine. your catchcan might actually be hurting mileage. |
catch cans are POINTless and useless
Quote:
crankcase vapors are inhaled to the intake then fed to combustion where they are burned , the volume of crankcase vapors relative to the amount of air fuel mixture consumed by the engine is less than insignificant the function of the PCV / Crankcase vent valve is to capture those vapors and channel them to combustion so they do not escape to the atmosphere to pollute the atmosphere , PCV is good . harmful deposits are more likely to be formed by using low quality fuel and low quality engine oil . which is one reason that any engine oil that does not meet ACEA A3 B3 -A3 B4 (best) or ACEA A1 B1- A5 B5 Dexos1 (close runner Up ) should never be used in any engine at any time this is real synthetic engine oil , not to be confused with wanna bees like ROYAL PURPLE and the other alleged synthectic oils which have no test specifications printed on the back of the bottle read the back of your oil bottle to see if it says only API SN ILSAC GF 5 ,with no ACEA test values , you should NOT use it and you should switch to the correct oil ASAP see BITOG forums for more info , study and learn . |
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