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Old 04-16-2015, 03:55 PM   #1
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Weight of 2004 Boxster Engine and some other big components

Any one know offhand approx weight of the 2.7L engine for 2004 Boxster? I am going to be replacing those with Electric Motor, batteries and other parts in my conversion and would like to know how much weight I have to play with...

Other parts (that have significant weight) that I will be not using are:
  • Gas Tank (therefore no fuel!)
  • Exhaust system complete with cats and all

Any one who has shipped these parts may have the information. I will be able to weigh the exhaust system and the tank when I take it out but cannot weigh the engine easily...Unfortunately I missed on taking the car to the scales before I started taking things off to compare the before and after...

Thanks for your help.

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Old 04-16-2015, 04:11 PM   #2
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According to the workshop manual, the engine weight is 188kg (178kg tiptronic)
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Old 04-17-2015, 11:38 AM   #3
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Thanks Martsink. That helps. I should be able to weight the other items.

188Kgs is ~414 lbs. Not a whole lot to work with for me as I decide on the batteries I need to put in. No wonder it is a challenge that everyone who is converting faces...
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Old 04-17-2015, 12:19 PM   #4
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Thanks Martsink. That helps. I should be able to weight the other items.

188Kgs is ~414 lbs. Not a whole lot to work with for me as I decide on the batteries I need to put in. No wonder it is a challenge that everyone who is converting faces...
That's a pretty cool project. Are you going to start a build thread?
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Old 04-17-2015, 04:27 PM   #5
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Yes, I will. Shortly...

Thanks.
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Old 04-17-2015, 04:54 PM   #6
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What is the weight of a full gas tank? It should help your weight budget. Water is about 8 lbs. a gallon. Assuming gas is similar, you have ~125 lbs from the fuel. Add the tank, fuel pump and sending unit might get you another 20 lbs.
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Old 04-17-2015, 05:50 PM   #7
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I read somewhere years back, Car & Driver I believe, that gasoline weighs 6 lb./gallon.
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Old 04-17-2015, 08:35 PM   #8
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I read somewhere years back, Car & Driver I believe, that gasoline weighs 6 lb./gallon.
Correct! I use 6.3 lbs/gallon to calc fuel weight for my race car.
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Old 04-19-2015, 07:42 AM   #9
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Very good info. I was just giving a guesstimate as I figued it'd be close..
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Old 04-20-2015, 12:18 PM   #10
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I also found a reference to 6.25 lbs/Gal. So, considering about 17 Gal tank it will be about 106lbs for the fuel. Say about 20 pounds for the tank(?) makes both around 126 lbs. for the tank and fuel...

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