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FMU + Stock Fuel Pump?

Old 12-17-2007, 07:20 PM
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Default FMU + Stock Fuel Pump?

I just need a clear cut answer and I'll be finished asking questions... (i think)
D16Z6
12:1 Vortech FMU + stock injectors + stock fuel pump + 5psi boost=
will this work?
Or is an upgraded fuel pump necessary?
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Old 12-17-2007, 09:17 PM
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Default Re: FMU + Stock Fuel Pump?

Originally Posted by JoshMO
I just need a clear cut answer and I'll be finished asking questions... (i think)
D16Z6
12:1 Vortech FMU + stock injectors + stock fuel pump + 5psi boost=
will this work?
Or is an upgraded fuel pump necessary?
Its ok at max 7-8 psi
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Old 12-17-2007, 10:46 PM
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Default Re: FMU + Stock Fuel Pump?

Thank You
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Old 12-17-2007, 11:13 PM
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Default Re: FMU + Stock Fuel Pump?

Originally Posted by hard2obtain
Its ok at max 7-8 psi

i pushed 15 once
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Old 12-18-2007, 08:56 AM
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Default Re: FMU + Stock Fuel Pump?

Originally Posted by jagojon3
For .5 sconds before you blew your ----

nope it was a T2 and for about a week on a mini-me i was trying very hard to blow it but it never happened. still in my garage
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Old 01-18-2008, 10:20 AM
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Default Re: FMU + Stock Fuel Pump?

Walboro 255's are cheap now like 90 bux shipped. A lil extra insurance FWIW
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Old 04-15-2008, 03:31 PM
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Default Re: FMU + Stock Fuel Pump?

Originally Posted by hard2obtain
Its ok at max 7-8 psi
so an fmu is fine for 7-8psi?

im boosting an aveo and if it could be done with an fmu instead of a maf to map conversion that would be awsome, one questio- how reliable is an fmu up to arround 7psi?
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Old 04-15-2008, 09:28 PM
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Default Re: FMU + Stock Fuel Pump?

I seriously doubt if an Aveo motor can take 7-8psi for very long.
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Old 04-15-2008, 10:11 PM
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Default Re: FMU + Stock Fuel Pump?

Originally Posted by TorganFM
I seriously doubt if an Aveo motor can take 7-8psi for very long.
even with arp studs?
if not 7-8psi what about 5-6psi?
im only hoping for about 140-160hp (stock is 103)
my origonal goal was 200whp but that seems about out of range for the stock engine

my question will the aveo with a small turbo (t3 ,t25,14b somthing of that nature that will spool quick, no need for large cfm as it will be low power,low boost)
and an fmu along with an ebay intercooler and custom piping be reliable
would i need larger injectors for such low boost? if so what kind of injectors do i need to look in to (from what i understand about 170hp (high hopes) requires about 320cc injectors give or take, would some cheap dsm 450's work? would they be overkill? how would i go about either programing or having the ecu programed for the larger injectors and boost
where would i be able to do this? will a standard dyno shoppe be able to dyno tune the stock ecu so handle said mods? will i need some sort of adjustable piggyback?

as for the hardware i have no problems (other than the my welder crapped out 2 weeks ago so i will need to use couplers until i can take it to the muffler shoppe to have piping welded up and i might be buying a log manny and i will need to make an intake manny that is not so restrictive and is not plastic, and i am also hoping to retrofit a larger tb to flow better as with the tiny tb on the stocker even tho it has a 6500rpm redline it runs out of breath at 5500rpm)


if someone could help me trouble shoot these points i would appriciate it i plan on keeping an up to date build thread with pics of the process so (tho hmt will inevitably have members that will so no need for me to give permission to) flame away but if you could keep the flaming to a minimum i would appriciate it

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