Whats wrong with getting an FMU?
 

Whats wrong with getting an FMU? Currently I have:

DSM 450cc injectors
Running uberdata base map @ 8.7 PSI

I was thinkin bout buying an 12:1 FMU.

B/c I have not done street tune. i dont know my A/F ratio. If i slap the FMU wont that make my A/F Ratio accurate and constant at 12:1, or at least around there?

Is this safe and will it work. I dont have time to street tune yet. I wanna be fast now. I street tune it later when i get my stuff for it.

Re:Whats wrong with getting an FMU?
 

For what it will cost you in time and money to put in a FPR, I would say you should just get the car tunned properly.

Re:Whats wrong with getting an FMU?
 

LOL so you have Uberdata in your car and you want to use an FMU? Why not just go to a dyno shop and get it tuned? Just bring your laptop and burner. Or come to CT and I have a dyno guy here that knows Uberdata.

Re:Whats wrong with getting an FMU?
 

when you see an fmu labeled as 12:1, it refers to the ratio of fuel pressure increase to boost pressure, not the a/f ratio :-\

Re:Whats wrong with getting an FMU?
 

LMAO...he thinks a 12:1 FMU means that he's getting a 12:1 AFR...LMAO....are you serious man??
the 12:1 ratio on the FMU means...12 psi pressure increase in fuel at every 1 psi increase in boost.
You are better of and faster with a Uberdata basemap

Re:Whats wrong with getting an FMU?
 

i always love these "FMU + 450cc injectors" posts

could you imagine a 12:1 FMU @ 10psi with 450cc injectors? it would drain the entire fuel tank in about 2 minutes.. lol

Re:Whats wrong with getting an FMU?
 

ooooo, nevermind, ---- it htought wrong. well that wat it say on some of the descriptions ive read. hey havent bought one, just thought bought it. thnk guys i feel more dumber now. :(

Re:Whats wrong with getting an FMU?
 

nah dont feel dumb jst get it tuned and there you go reliable and fast thats what you want right? uberdata is the ish so stick wid it...