Need help quick! FMU ratio on 7 psi

[stuffy1256]

Im helping put together black4banger's turbo kit. There is someone selling a FMU but cant remember what ratio it is. They only make 10:1 and 12:1 right? will a 10:1 work on a 95 ok? or do you need a 12:1? Is there a way to check what ratio is by looking at it or destinct markings? its a vortech if that makes a difference.

and are OBX FMUs good? found a few on ebay and dont know if theyre ok to use or not.

 

[BigRand]

Vortecs 12:1 works really well, so I'd go with that ratio.

 

[GSGoinFast]

Vortecs 12:1 works really well, so I'd go with that ratio.

yea, go 12:1