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Extended Range Fuel Tank Counter Argument

 
Old 09-14-2018, 10:21 PM
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welikethetrack
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Default Extended Range Fuel Tank Counter Argument

Why does Porsche design the car with a 16.9 gallon fuel tank and then offer 23.7? I want to track this car, and @$140 it might as well be a no cost option.

Everyone seems to check the 23.7 gallon tank, but I am just asking myself why I am going to tick it even though I am tracking it and it would be a plus on fueling. What is Porsche's thinking here? Just weight or something? Anyone knows how much more it weighs? My Ferrari scuderia has a 25.1 gallon tank so I figured I would get it as they know what they're doing, but I want to hear Porsche's thinking and maybe a counter argument to getting the bigger tank.

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Old 09-14-2018, 10:34 PM
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mwar99
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If I recall correctly it has to do with intrusion on the right hand drive cars. The steering column makes a need for the tank to be different. I believe you can't get the larger tank with a RHD car.
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Old 09-14-2018, 10:40 PM
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ipse dixit
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Originally Posted by welikethetrack View Post
Why does Porsche design the car with a 16.9 gallon fuel tank and then offer 23.7? I want to track this car, and @$140 it might as well be a no cost option.

Everyone seems to check the 23.7 gallon tank, but I am just asking myself why I am going to tick it even though I am tracking it and it would be a plus on fueling. What is Porsche's thinking here? Just weight or something? Anyone knows how much more it weighs? My Ferrari scuderia has a 25.1 gallon tank so I figured I would get it as they know what they're doing, but I want to hear Porsche's thinking and maybe a counter argument to getting the bigger tank.
It's just another way for Porsche to extract an additional % from your bank account. One of those "mandatory options" ... sort of like the Scuderia shield for Ferrari.
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Old 09-14-2018, 10:41 PM
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Originally Posted by mwar99 View Post
If I recall correctly it has to do with intrusion on the right hand drive cars. The steering column makes a need for the tank to be different. I believe you can't get the larger tank with a RHD car.
This is correct. It also has to do with how they calculate weights and fuel economy.
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Old 09-14-2018, 10:43 PM
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Used to be free in 997 era. Now they want $$$
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Old 09-14-2018, 10:46 PM
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Originally Posted by mwar99 View Post
If I recall correctly it has to do with intrusion on the right hand drive cars. The steering column makes a need for the tank to be different. I believe you can't get the larger tank with a RHD car.
Not true RHD cars can get the extended tank. My understanding was having the smaller tank standard is to help keep the official wet weight down.
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Old 09-14-2018, 10:51 PM
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Originally Posted by Bardman View Post


Not true RHD cars can get the extended tank. My understanding was having the smaller tank standard is to help keep the official wet weight down.
I cant post pictures for some reason, but the extended range tank is not an available option in Great Britain.
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Old 09-14-2018, 11:05 PM
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Originally Posted by evilfij View Post


I cant post pictures for some reason, but the extended range tank is not an available option in Great Britain.
My Australian car has it (in fact you canít order the car here without it).
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Old 09-14-2018, 11:11 PM
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fibredog
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Isn’t the standard tank the one used in the AWD 911’s? GT cars being RWD afford the room for a bigger tank. Bean counters at PAG must have realized the larger tank eats into their profit. So now they charge for it.
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Old 09-14-2018, 11:20 PM
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Originally Posted by Bardman View Post


My Australian car has it (in fact you canít order the car here without it).
Which may be the same for the U.K. ie itís not on the configurator because itís standard.
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Old 09-14-2018, 11:26 PM
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I ordered my car specifically without the extended tank. I even started a thread on why I did not order it: https://rennlist.com/forums/991-gt3-...tank-myth.html
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Old 09-14-2018, 11:40 PM
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I find it funny that the extended tank is a "must" with a 4.0L Porsche, yet the 8.4L ACR does just fine with a 16 Gal tank.
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Old 09-14-2018, 11:45 PM
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I think the best question to ask yourself is why wouldnít you spec it?
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Old 09-15-2018, 12:34 AM
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Ducati1199
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Originally Posted by Ascend
Used to be free in 997 era. Now they want $$$
I'm sure it was free on the 911.1's as well.
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Old 09-15-2018, 12:39 AM
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Itís a cheater spec. Car comes standard with small tank, so itís standard config curb weight is lower.

Why would anyone NOT spec a larger tank? Makes no sense... just fill it up less if you want.
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