FMU and aftermarket fuel system.

[Litng1]

Does anyone have a picture or diagram of how I run a FMU into my Vortec fuel rails.
I guess you have to cut the ends off the FMU and put N-fittings on instead of the fittings that plug into the stock rails right?

 

[Mike Gager]

well they do sell adapters that have the stock style collar lock fittings on one end and aeroquipt style on the other but im wondering why you dont just upgrade to the larger super FMU. i would think the regular FMU might be to small for what you are wanting to do. i would thinkit would become to much of a restriction at some point. i could be wrong though

how fast are you wanting to go?

 

[Litng1]

Im going for atleast Mid 10s.You could be right on the FMU size Im really just needing to know where to plumb one into.Thanks

 

[Icepick]

Marcus,

No need to mess with stock FMU lines... The FMU goes on the return line, usually -6 line is used for the return on a setup like your doing, So what you do is run a - 6 braided line out of one of the rail ports you decied to use for the return then it goes to the FMU "IN" (mount the FMU where ever you please) You can buy a fitting that reduces from -6 down to -4 so it will thred onto the FMU you have... Do the same thing on the FMU "out" and run the -6 all the back to the tank... Since your FMU uses -4 there will be somewhat of a restriction at that point but I don't think it will be enough to cause any problems.for what your wanting to do...

Good luck!

 

[Litng1]

Thanks Dave,I was going to put the return on the bottom of my FPR instead of a fuel rail.Would that work just the same?