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Go Back   Australian Ford Forums > Club and Speciality Forums > Forum Community Car Clubs > OzECruisers (E/N/D Series) > OzECruisers General Discussions

OzECruisers General Discussions E/N/D vehicles General Discussion ONLY. NO TECH THREADS

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Old 02-05-2006, 11:48 AM   #1
AshMan
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Default EF XR6 VS GLI Fuel pressure reg.

Hey,

As I understand the GLI fuel pressure reg is about 30kpa less pressure than the XR6 reg, would I get a small performance gain by substituting in a GLI reg for my XR6 one?

Cheers

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Old 02-05-2006, 11:49 AM   #2
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Bugger, can someone please move this into the technical section?

The site is all different :(
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Old 02-05-2006, 12:56 PM   #3
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if you run a more lumpier cam than your stock xr one it may have benifets (as it mayb run leaner), but you are also running the xr ecu (runs rich), so not sure on how much of an affect it will make
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Old 02-05-2006, 01:20 PM   #4
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If you run an XR6 ECU on a stockish motor you will notice a benifit in installing a non xr (275kpa) regulator to lean out WOT pulls.
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Old 02-05-2006, 01:26 PM   #5
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Quote:
Originally Posted by Walkinshaw
If you run an XR6 ECU on a stockish motor you will notice a benifit in installing a non xr (275kpa) regulator to lean out WOT pulls.
Thanks, that answered my q.
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Old 02-05-2006, 02:19 PM   #6
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Quote:
Originally Posted by Walkinshaw
If you run an XR6 ECU on a stockish motor you will notice a benifit in installing a non xr (275kpa) regulator to lean out WOT pulls.

whats the benifet?
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Old 02-05-2006, 02:26 PM   #7
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Quote:
Originally Posted by walkinshaw
If you run an XR6 ECU on a stockish motor you will notice a benifit in installing a non xr (275kpa) regulator to lean out WOT pulls.
Quote:
Originally Posted by niko
whats the benifet?
This:
Quote:
Originally Posted by walkinshaw
installing a non xr (275kpa) regulator to lean out WOT pulls.
Leaning the car from very rich mixtures at WOT will allow that few extra kw. Some people have seen up to 5-10rwkw when previous AFR's were around 10:1 after leaning to 12.5:1.

An adjustable FPR will allow the same ;)
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Old 02-05-2006, 05:40 PM   #8
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Thats not a bad gain from somethin I can get for nothing...

Thanks fellas.
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Old 02-05-2006, 01:22 PM   #9
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it comes down to what your car needs, if you have a GLi, and your cars running rich, then an XR6 ECU would lean it up a little.
the XR6 fuel reg would make it run richer.

the opposite applies to if you have an XR6 and replace with GLi bits.
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Old 02-05-2006, 06:24 PM   #10
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i added a xr6 fuel pressure reg to mine, with a ed xr6 computer, and it didnt slow down reving 2nd to the limiter in my T5
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Old 02-05-2006, 07:50 PM   #11
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what is ideal A/R at WOT.???

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Old 02-05-2006, 10:29 PM   #12
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AshMan, Im not saying that you will gain that. It depends entirely on how the car is running before and after.

FAlconkid, it depends, but 12.5 is considered good on the safe side. 13.0 is starting to get a little lean
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Old 03-05-2006, 07:24 AM   #13
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Well out of this tank of fuel I got 300km city, so it can't hurt.
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