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Old Tue, October 11th, 2011, 08:50 AM
jwmaier1215 jwmaier1215 is offline
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Quote:
Originally Posted by shotgun View Post
You're doing it correctly. And yes, it does appear that circumference is too large for a typical 35x12.5x17 tire.

2841 = (approximately) an uncompressed (no squish) 315/70R18.

Does BFG have a revs/mile or circumference on their website?

Did you use the door sticker decoder to get your GR? How To: Decode VIN Number and Vehicle Sticker - F150online Forums

Did you look at the metal tag on the pumpkin?
Never saw that thread, but that is extremely helpful. See I was looking for where it plainly just said 3.73, 3.55, etc. So I went off of what dad said, and well dad isn't always right, lol.

Anyway, I just looked it up, they're 3.55 LS. So now I need to re-do the process with the same tire height inputed, just input 3.55 now. Correct? I'll have to wait until later today to find out for sure. My GPS is down at my apartment (I used my sisters yesterday) and I'm headed back to my apartment for school tomorrow, here in a bit. I just wanted to make sure the "2400" wasn't a standard starting point. So now that the GR will be inputed correctly, the actual (GPS) vs. what the gryphon says should be close(r), right? Which would explain why the number shouldn't be over 2792?