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Old 02-15-2015, 12:46 PM   #1
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Engine Size

How do I determine the exact size motor in my 2012 Sunseeker 2450S? It is a Ford chassis. The sticker near the radiator says it could be 4.6L (highly doubt this), 5.4L (doubt this too) or 6.8L (think this is it). I thought the Ford would have a V-10 badge on it if it was the 6.8L, but there isn't one. I bought it used so there isn't a lot of documentation with it.

The reason I want to know is so I can determine how large of a vehicle I can pull behind it. Most likely the vehicle would be a 2 door or 4 door Jeep Wrangler.




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Old 02-15-2015, 12:49 PM   #2
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I would go to a Ford dealer with the VIN number and have them check it out for you.
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Old 02-15-2015, 12:56 PM   #3
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Quote:
Originally Posted by micalo View Post
I would go to a Ford dealer with the VIN number and have them check it out for you.
Unless you want to crawl around the engine looking for the block stamp, if it's a v 10 just count the plug wires or (coil packs if that's what they use).
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Old 02-15-2015, 01:02 PM   #4
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I don't know what information is coded within Fords VIN's, but this may save you a trip to the Ford Stealership...

VIN Decoder | fleet.ford.com
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Old 02-15-2015, 01:03 PM   #5
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If the eighth digit in the vin is a "S" you have the 6.8l V10
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Old 02-15-2015, 01:04 PM   #6
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Originally Posted by wana65stang View Post
If the eighth digit in the vin is a "S" you have the 6.8l V10

I believe it would also have ten spark plugs.
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Old 02-15-2015, 01:08 PM   #7
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Yes it would have ten plugs but a LOT!! easier to check vin then start counting plugs Unless your into that thing!
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Old 02-15-2015, 01:12 PM   #8
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Yes it would have ten plugs but a LOT!! easier to check vin then start counting plugs Unless your into that thing!
I usually have grease stains on my fingers and clothes so one could say I'm into that sort of things.but you only have to count 5 on one side so you only need to use one hand right?
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Old 02-15-2015, 01:21 PM   #9
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I have seen the 5.4L in our motorhomes. Just the small class C's.


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Old 02-15-2015, 01:40 PM   #10
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Type the vin number off your door into this. It will give you the window sticker for your chassis. Just make sure to use the Ford vin and not the forest river one.


http://researchmaniacs.com/VIN-Numbe...cker/Ford.html
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Old 02-15-2015, 01:51 PM   #11
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V10. 2012 Forest River Sunseeker 2450S Motorhome : Reviews, Prices and Specs : RV Guide
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Old 02-15-2015, 04:21 PM   #12
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Thanks for all the replies.

Next question: Where do I find the GCWR? Neither sticker inside the door shows GCWR. They show GVWR, but that is all. Is GCWR the GVWR (14,500 lbs) + towing capacity (5,000 lbs) = 19,500 lbs?


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Old 02-16-2015, 05:45 PM   #13
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No, the GCWR is whatever the chassis is rated at.

the E450 got bumped from 20,000 to 22,000 back in 2010 methinks.
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Old 02-16-2015, 06:14 PM   #14
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Do you have any idea how to verify the numbers? Now that you say 20-22,000 I thought I saw 22,000 somewhere.

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Old 02-16-2015, 06:23 PM   #15
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Yours is 22,000 if it's an E450 from 2012.

I was simply saying that pre-2010 it was 20,000lbs. They increased the brakes and it now sits at 22,000 GCWR (or it could have been 2008 when they changed)

You can also look at the 10th digit of your VIN
A is 2010, B is 2011, C is 2012, D is 2013, E is 2014, F is 2015
Then you can pull up the specs from ford for your model year to determine GCVR.

Or trust me when I say its 22,000.
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