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bigger injectors? 

 

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 Post subject: bigger injectors?
Posted: Mon Jun 16, 2008 11:14 pm 
Tyre Shredder
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Ride: 2003 BA XR6 TURBO!!!!!

Location: Melbourne
VIC, Australia

hey guys,
rebuilding my mont soon.
i was just wondering what the limits of stock injectors in the i6's are.
going a full rebuild, 20thou overbore with all acl race series bottom end (pistons, rings, bearings), shaved head, au head gasket
crow cam, hardened springs vernier gear, port n polish, extractors, 2.5 mandrel bent, unichip, new water pump, oil pump, plugs, leads, coilpack is only 6 months old, new injectors (obviously) all with a dyno tune.
im hoping to hit 180-190 rwkw.
this is all backed with a freshly rebuilt T5, and the 3.45 LSD will be rebuilt either at the same time or shortly after.

my question is will the stock injectors handle this, and or will i gain anything from going to bigger injectors.
also, if i do go bigger injectors, will i need a better regulator or pump?
also can the stock ecu handle any bigger injectors?
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Posted: Mon Jun 16, 2008 11:22 pm 
Getting Side Ways
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Age: 31

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Joined: 6th Nov 2004

Ride: BF XR Turbo

Location: Castle Hill
NSW, Australia

im sorry bud but your not gonna make 190rwkw with that build.
your stock injectors would most likely be fine, but you could upgrade to AU units for the better spray pattern and slightly larger capacity. theres a few guys on here running them with stock computers..

could also throw a 255lph walbro fuel pump in it.. iirc mine was about $150 on ebay..

-mitch

 

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BF XR6T 6spd Auto. 60lb injectors, Hybrid Cooler, Custom Piping, Custom Surge Tank, Actuator.

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Posted: Tue Jun 17, 2008 10:21 am 
Parts Gopher
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yer what he^ said. theres no way ul make 190rwkw. i jus chuked a set of roco vr multi point injectors in mine n it made it abit smoother n better on fuel.

 

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97 el falcon, dev 5 package with standard tickford head, rebuilt acl 1mm ova size bottem end, rebuilt auto tranny, 3.7 minispool, au2 rims on ultra lows.
14.65 1/4 165rwkw

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Posted: Tue Jun 17, 2008 12:44 pm 
Getting Side Ways
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Ride: '07 LT XR5

Power: 133 rwkw

Location: sydney
NSW, Australia

i have (much to mitch's annoyance) AU injectors running in my car, now for a lightly modded car such as mine it makes sh*t all difference...

with the mods you're planning, sure why not. least it's one less thing for you to think about

 

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So much RAM the motherboard twisted off the POST.

I lost 3 cylinders... but gained a turbo...
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Posted: Tue Jun 17, 2008 2:28 pm 
Getting Side Ways
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Ride: 97 EL XR6

Power: 162 rwkw

Location: liverpool
NSW, Australia

im running au injectors, not a huge difference in performance with them, but power delivery feels alot smoother, possibly due to an increase in torque from a better burn of the spary pattern...

i have a CMS cam, mild head work, exhaust, intake, still on standard ecu and standard bottom end, standard injectors, and i pulled 162rwkw at the last dyno day. (dyno dynamics)

ford freak pulled 175rwkw with same cam and he was on a standard ecu but with a high comp bottom end and more headwork... so there is the potential to hit 180's with the right setup...

 

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Posted: Tue Jun 17, 2008 7:24 pm 
Tyre Shredder
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Ride: 2003 BA XR6 TURBO!!!!!

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well im on about 155rwkw atm with no bottom end work, f**k rings, running rich as f**k because the unichip hasnt been tuned for about 5-6 years.
we'll see what happens.
head of a few falcons running ~170 with stock bottom end and stock ecu, so its a possibility.
realistically id be happy with 180, but as i say, well see what happens.

the au injectors fit straight in?
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Posted: Tue Jun 17, 2008 7:44 pm 
Getting Side Ways
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elvondel wrote:
well im on about 155rwkw atm with no bottom end work, f**k rings, running rich as f**k because the unichip hasnt been tuned for about 5-6 years.
we'll see what happens.
head of a few falcons running ~170 with stock bottom end and stock ecu, so its a possibility.
realistically id be happy with 180, but as i say, well see what happens.

the au injectors fit straight in?


well you must have a blueprinted monster.

 

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Posted: Tue Jun 17, 2008 8:16 pm 
Getting Side Ways
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Age: 30

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Ride: '07 LT XR5

Power: 133 rwkw

Location: sydney
NSW, Australia

yeah AU injectors are a straight swap

 

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So much RAM the motherboard twisted off the POST.

I lost 3 cylinders... but gained a turbo...
Proud owner of an '07 XR5Turbo

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Posted: Sat Jul 05, 2008 1:54 pm 
Getting Side Ways
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Ride: Boxcar Love

Location: Brisbane
QLD, Australia

SgtBourne wrote:
yeah AU injectors are a straight swap


Sorry to hijack this thread, instead of starting another on a similar note,

So the AU injectors will fit into, and run on an EF with no changes to tuning/fitment/wiring?? They work with an EF computer??

Thanks,

Andrew.

EDIT: The search function actually worked that time and this has been confirmed. :)

 

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Posted: Sat Jul 05, 2008 2:29 pm 
Getting Side Ways
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Age: 30

Posts: 1087

Joined: 1st Sep 2007

Ride: '07 LT XR5

Power: 133 rwkw

Location: sydney
NSW, Australia

yup, just unclip and put in the new ones :)

 

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So much RAM the motherboard twisted off the POST.

I lost 3 cylinders... but gained a turbo...
Proud owner of an '07 XR5Turbo

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Posted: Sat Jul 05, 2008 4:03 pm 
Fordmods Newbie
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Location: brisbane
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how do i get in touch with rpd cams in here
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Posted: Sat Jul 05, 2008 6:27 pm 
Getting Side Ways
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Age: 30

Posts: 1087

Joined: 1st Sep 2007

Ride: '07 LT XR5

Power: 133 rwkw

Location: sydney
NSW, Australia

pm mitchg911

 

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So much RAM the motherboard twisted off the POST.

I lost 3 cylinders... but gained a turbo...
Proud owner of an '07 XR5Turbo

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