i think there are a couple of different kinds of the vortech fmu's. so my question is WHICH ONE 12:1 or is their a better one(low budget) from vortech.. thanks

 

12:1 is a diaphram, not an fmu..
you arn't sure if there is more than one fmu that vortech makes, but you wanna know which one? don't make sense to me. i think they only make one kind.

the diaphrams you have to buy if you want to change the ratio of fuel supplied per each pound of boost. ex. for ever psi of boost 12psi would increased in the fuel system..12:1 etc.

am i getting anywhere or am i making more confusion?

 

ok i want to turbo my si im going to do the mini me project. i just know what vortech fmu's that i've seen on e-bay. can you change out the diaphram or would it be better tu just buy the one i need? now which would be prefered ?? anybody ??

 

can you just run a fuel pressure regulater.

 

no

 

what type of fmu would be the best for a low budget. i will spend the money if i have to. i can't afford a high tech system that requires a lap top.

 

Laptop only necesssary if you can afford one....
Vortec FMU 12:1 be plenty
BTW how much are you wanting to spend and go from there.

 

I thought I saw an sfmu on their website! I could be wrong though! you could asjust the base fuel as well as the rising rate and then would not need to get an adjustable fuel pressure regulator. Only thing was that it was more expensive.

 

Search Ebay for a Cartech. Reliable, cheap, and can adjust baseline and rate of rise.