245/50 R16 Widetrac SR...good tire? Will it fit a '87?

[garystocker]

I need tires but I can't find anything decent to mount on my ten hole 15"rims.

So I'm looking to buy a set of 16" wheels and put some 245/50 R16 Widetrac SR on there...

I have 100 questions:

anyone have any experience with that brand? Any good?

Will 55's fit?

What will it do to my Speedo readings?

Will it make acceleration off the line slower than with the 15" rims? Will it increase my top speed?

Thanks for your input...

 

[vikingpower]

I've got 255's in the rear and 235's up front, and I got 'C' springs. the 255's really fill up the wheel well though. Also, these are on the 10-hole wheels