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Ford Crown Victoria/Mercury Grand Marquis General Maintenance

102 messages,  Last post on Oct 10, 2009 at 5:59 PM

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What is this discussion about? Ford Crown Victoria, Mercury Grand Marquis, Engine, Oil, Sedan

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#88 of 102 Re: P71 cop car spark plugs [Mr_Shiftright] by martykyj Nov 30, 2008 (8:47 am)
Replying to: Mr_Shiftright (Nov 28, 2008 4:55 pm) The 8th digit on the VIN designates the engine code. If it's a "F" them the motor is a 5.0L OHV V8 if it's a "W" then it's a 4.6L OHC V8. I can only repeat what the dealer told me. My 4.6 L engine takes the SP493 spark plug. The local auto parts store checked their computer for AGSF-32P and it cross referenced it to the SP493. The difference between the plugs has something to do with a full thread vs. a half thread. I didn't get into it with the dealer about the thread size. To add more to the confusion, my owners manual lists AWSF32P. That's why I stick to what the Ford dealer told me. If the person that has the cop car wants to know what plug to use, I recommend he contact the Ford dealership and go from there.
#89 of 102 Re: Opinion of commercial package CV [calpete] by euphonium Dec 01, 2008 (10:44 am)
Replying to: calpete (Nov 29, 2008 8:06 am) The specs indicate a car that will corner like a locomotive while feeling tiny bumps & crack lines in the road. It will be slower on the take off, but higher in the gas mileage. Keep it out of mountainous territory. Replies to this message: calpete (Jan 07, 2009 7:04 am) euphonium (Jan 07, 2009 11:57 am) calpete (Jan 07, 2009 1:26 pm) and 1 more...
#90 of 102 Re: Opinion of commercial package CV [calpete] by Mr_Shiftright HOST Dec 01, 2008 (11:07 am)
Replying to: calpete (Nov 29, 2008 8:06 am) sounds like your basic NY taxicab. I'd sit on a pillow if I were you, and don't expect to win any drag races.   On the positive side, might be a comfy enough smooth-road, straight-line, long distance commuter. Replies to this message: calpete (Dec 18, 2008 1:47 pm)
#91 of 102 Re: Opinion of commercial package CV [Mr_Shiftright] by calpete Dec 18, 2008 (1:47 pm)
Replying to: Mr_Shiftright (Dec 01, 2008 11:07 am) Is 2.73 the standard CV/GM ratio? Am interested in good economy, not speed. Thanks.   Cal
#92 of 102 Opinion of commercial package CV by ronslakie1 Dec 19, 2008 (4:18 pm)
The 2.73 the standard ratio on the CV/GM unless you get the HPP (Handling and Performance Package). I have a 2001 GM LS with the 2.73 and it is plenty adequate. The only other mod I have is a K&N air filter, which has been on for 115K miles and I routinely get 27-29 MPG on the highway. It has been a wonderful car and amazingly still has the original battery, which will be 8 years old next March. Replies to this message: martykyj (Dec 26, 2008 3:06 am) euphonium (Dec 26, 2008 9:30 am)
#93 of 102 Re: Opinion of commercial package CV [ronslakie1] by martykyj Dec 26, 2008 (3:06 am)
Replying to: ronslakie1 (Dec 19, 2008 4:18 pm) What is the method you use to check the miles per gallon you are getting? Replies to this message: euphonium (Dec 26, 2008 9:30 am)
#94 of 102 Opinion of commercial package CV by ronslakie1 Dec 26, 2008 (3:26 am)
I have used both the trip computer and actual gas used at fill-up. I have found the car trip computer to be quite accurate. In town driving is in the 17-20 MPG range.
#95 of 102 Re: Opinion of commercial package CV [martykyj] by euphonium Dec 26, 2008 (9:30 am)
Replying to: martykyj (Dec 26, 2008 3:06 am) Tire pressure 35 psi, highway speed 60 mph, last September from Utah to Oregon, = 31.5 mpg, but the car was a 95 T Bird with the 4.6L engine.   Checked on the level from pump to pump.
#96 of 102 Re: Opinion of commercial package CV [euphonium] by calpete Jan 07, 2009 (7:04 am)
Replying to: euphonium (Dec 01, 2008 10:44 am) Thanks for the reply. But I'm wondering why you say it'll get better gas mileage than the standard car. It has the 4.6L engine & the 2.73 rear axle ratio which I assume is standard. What am I missing here? Want good mileage but am also considering a regular MGM which appears to have the same drivetrain setup. Thanks. Replies to this message: euphonium (Jan 07, 2009 11:57 am) calpete (Jan 07, 2009 1:26 pm) euphonium (Jan 08, 2009 11:19 am)
#97 of 102 Re: Opinion of commercial package CV [calpete] by euphonium Jan 07, 2009 (11:57 am)
Replying to: calpete (Jan 07, 2009 7:04 am) It has been my experience that the 2.73 is the "Economy" axle ratio compared to the standard 3.55 or thereabouts.   True, most of the driveline is the same, however compare the different hp ratings of the engines, tire size, and axle ratio.   If mpg is important, lean towards the 2.73 & the standard 4.6L engine. Replies to this message: calpete (Jan 07, 2009 1:26 pm) euphonium (Jan 08, 2009 11:19 am)

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