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EB xr6 and falcon/fairmont engine differences? 

 

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 Post subject: EB xr6 and falcon/fairmont engine differences?
Posted: Tue Dec 21, 2010 10:56 pm 
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Ride: Fairmont EB11 1992

Location: sydney
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hey i'm new to this, but ill try my best..

i was just wondering what the differences are between the xr6 motor and the standard motor, in the EB2 series cars... i am aware of the different head, but wasn't sure about the dizzy and or manifold?

any help would be much appreciated
cheers,

 

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 Post subject: Re: EB xr6 and falcon/fairmont engine differences?
Posted: Wed Dec 22, 2010 12:18 am 
Getting Side Ways
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Pretty sure the xr6 had higher compression, colder spark plugs, feel free to correct me if I'm wrong

 

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 Post subject: Re: EB xr6 and falcon/fairmont engine differences?
Posted: Wed Dec 22, 2010 1:00 am 
Getting Side Ways
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The ignition system is the same.

The inlet and exhaust manifolds are the same but the fuel pressure reg on the XR is 300kpa vs the standard 250kpa.

The XR ECU has better spark and fuel maps.

Cheers
BenJ

 

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 Post subject: Re: EB xr6 and falcon/fairmont engine differences?
Posted: Wed Dec 22, 2010 3:31 pm 
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Ride: Fairmont EB11 1992

Location: sydney
NSW, Australia

thanks guys, im pretty sure use are both right.

the reason i wanted to know, was that i have recently bought an xr6 computer to put in my fairmont, ive ported the head, got a bigger cam, got extractors + system and all the rest of it so i thought the xr6 computer will give me a little extra power due to the better fuel and ignition maps. When i plug it in the car misses and carries on (i tried 3 different xr6 computers), but if i put the standard computer back in it runs fine. i thought this was because the dizzy or wiring may have been a bit different?

cheers,

 

_________________

EB2 Fairmont... TI Performance j3 chip tuned by me, stage 2 camtech cam, freshened up bottom end, genie extractors, 2.5" system, t5 box, 19" bf cobra wheels... ;) 14.74@94.75mph

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 Profile  
 
 
 Post subject: Re: EB xr6 and falcon/fairmont engine differences?
Posted: Fri Dec 24, 2010 12:01 pm 
Getting Side Ways
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have you changed the fuel pressure regulator to a 300 kpa one or a adjustable one?
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