OEM mudflaps. Canada vs US.

[tacorancher]

I would get an alignment just to be sure you haven't changed the front end with the new wheels and different tires. But on the other hand you might have pushed the envelope just a bit too much and will need thin aftermarket flaps - and there are some good choices out there.

I don’t think I pushed the envelope at all. My tires are barely larger than yours and multiple people on this thread are running my exact tires with the Canadian flaps with no issues including @HCTacoGuy . Now I’m kind of concerned something is wrong.

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[TacoFreak]

@TacoFreak - can you take a picture of how close your tire gets to the flap at full lock with the OEM tires? My tires are barely larger than yours. Maybe the added width is what makes it rub?

I will grab a picture of that today.

You really didn't go much beyond stock, which is why I don't understand the problem. Let's see how tight it is on my truck.

 

[tacorancher]

I will grab a picture of that today.

You really didn't go much beyond stock, which is why I don't understand the problem. Let's see how tight it is on my truck.

I think it’s my alignment but not because it changed from the day I got it from the factory - I think my castor on the driver side has always been too negative as I’ve always noticed that gap is smaller. I can fix it but it’s annoying that there’s this much castor variation that I cannot even put on the OEM Canada flaps! What else could it be? Also, imagine trying to explain that you want slightly more positive castor but that you want to remain in OEM spec to the service center—good luck. Anyway, I think that’s the issue.

I appreciate it.

 

[TacoFreak]

The closest the tread on my tires ever gets to the flap is just under one inch.

The first pic is full lock, where the outer corner of the tread approaches the inside of the flap, which is the 1" clearance.

The second pic is partial lock, where the tread approaches that thickest part of the flap, which is about 1.5" clearance.

 

[tacorancher]

The closest the tread on my tires ever gets to the flap is just under one inch.

The first pic is full lock, where the outer corner of the tread approaches the inside of the flap, which is the 1" clearance.

The second pic is partial lock, where the tread approaches that thickest part of the flap, which is about 1.5" clearance.

Wow. Our castor specs are an inch apart. Crazy. Must be why some guys can fit 34s and some can only fit 33s without making alignment adjustments. Can’t think of anything else. My tires are larger but not by much.

 

[TacoFreak]

Wow. Our castor specs are an inch apart. Crazy. Must be why some guys can fit 34s and some can only fit 33s without making alignment adjustments. Can’t think of anything else. My tires are larger but not by much.

It is hard to understand why that distance would vary so much, unless the Pro and TH front suspensions are more different than I thought.

 

[tacorancher]

It is hard to understand why that distance would vary so much, unless the Pro and TH front suspensions are more different than I thought.

I think it’s alignment variance - I don’t think the suspensions are that much different geometrically but I’m not entirely sure. If anyone has any other theories let me know.

would tire width matter that much? I mean both tires have to pass across the same spot - but the outer edge of my tire is further out so it has to sweep across a wider arc… that could be It (my tires are 11.5” wide versus 10.4”). And @HCTacoGuy told me he had his alignment redone after his 2.5” lift. But I’m just speculating.

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