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All vin numbers matching. No im not in idiot like rubicon88 seems to think. Just a genuine question.
Nobody suggested you were an idiot and nothing could be further from the truth.
I'm very curious to exactly what happened here and why the discrepancy.
You stated from the get go that your Jeep had 225's..when it's 215 on your tag. It also shows 215 on your window sticker.
Your Jeep would've come with Canyon wheels with that 30" tire option. Canyon's are 8" wide. Your tag isn't even showing those as it's showing the stock 15x7 wheels.
You said you were 3-4 mph off. Ok...but you didn't define that. As in 3-4 mph off at what mph?
If you're just a constant 3-4 mph off no matter the mph...that's not tire related.
If it's a tire discrepancy you'll be a percentage off throughout the MPH range. (Different mph off at different mph)
Clearly your Jeep is showing it should've had 30" tires and canyon wheels.
That said I've been around many TJ's...hell i used to order new ones for the dealership and I honestly can't tell you if every single one on the door tag always indicated the correct tire. I'd think they would (probably a law) but I never paid attention to every single one I've been around.
Did someone err when printing out the door tag during the build in 2002?
Anything is possible.
Hell the factory service manuals have misprints in them.
Did Jeep put a speedo gear in for a 215 tire since that's what the tag calls for?
It's really hard to know exactly what happened here.
If you're concerned with getting the speedometer accurate and you're a percentage off in the mph range then it's definitely tire related. For a 30" tire I believe you need a 28 tooth speedo gear since you have 3.07 gears in the axles.
Maybe others will chime in if they've noticed a discrepancy between tag and actual factory build on their rig too.