AMA/ATVA Width Rule and 400ex a-arms

[Knips178]

I just bought Elka Long travel shocks and am now looking for a-arms, but I want to get into some AMA/ATVA racing events this year and they require the maximum width be 50".
1. On a 400ex can I use +3's or will that make a stock 400ex wider than 50"?
2. To keep within the 50" would it be better to use wider a-arms and 4/1 offset wheels or use skinnier a-arms with 3/2 offset wheels for MX?
3. Keep in mind that for MX I want to drop the 400ex 2" which will spread the a-arms out and make it wider. So do you have to ride the quad through the 50" spreader or can you get off and walk it through to make it stand taller and skinnier?

Thanks

[honda250xrider]

i've been told +3 a-arms with 4/1 offset is the best combo

[Knips178]

yeah, I've heard that's good, but does anyone know if +3 a-arms with 4/1 offset will keep the 400ex within the 50" rule? It would really suck to buy long travel a-arms and find out that even with 4/1 offset it is too wide. It looks like you have to ride the quad through the spreader to get it checked for width....huh...

[400exBro]

i have JD +3 with stock rims and i pass, i am 49.5 or so inchs

[EXrider03]

take it out and measure