You'll have to part with lots of time and money to get an Alan Pista!
You can convert any bike with long dropouts/trackends to single speed, it just depends on your rear hub (fixed, free or fixed/free). Most track frames from about 1970 onwards will not be drilled for a rear brake, which you should really use as you can't brake the rear wheel by resisting the momentum of the rear wheel like you can on a fixed wheel.
You'll have to part with lots of time and money to get an Alan Pista!
You can convert any bike with long dropouts/trackends to single speed, it just depends on your rear hub (fixed, free or fixed/free). Most track frames from about 1970 onwards will not be drilled for a rear brake, which you should really use as you can't brake the rear wheel by resisting the momentum of the rear wheel like you can on a fixed wheel.