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help needed 

 

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 Post subject: help needed
Posted: Tue Oct 20, 2009 1:02 am 
Parts Gopher
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hi guys i went do to the drag with some new bits. i put the el xr6 cam, injectors and fuel reg in it did 16.3? but before it did 15.5 with stand ef cam, injectors and fuel reg. but left the standard ECU in. whats going on there? any help would be great thanks
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 Post subject: Re: help needed
Posted: Tue Oct 20, 2009 10:59 am 
QLD Cruise Moderator
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Ride: EF Ford Falcon Wagon

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Yeah fairly slow hey from memory my old 62 S series Valiant does a good high 14's if its low on tranny fliud runs like a power glide then but been a long time since its been to willowbank

When dragging try taking ur alternator off line as well.
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 Post subject: Re: help needed
Posted: Tue Oct 20, 2009 11:17 am 
Getting Side Ways
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ef mick wrote:
hi guys i went do to the drag with some new bits. i put the el xr6 cam, injectors and fuel reg in it did 16.3? but before it did 15.5 with stand ef cam, injectors and fuel reg. but left the standard ECU in. whats going on there? any help would be great thanks


Mick, you really need to use the XR ECU. The mismatch in fuel pressure, and injector opening times etc, will be noticeable using the Std ECU, as you are finding out.

In reality, there is only around 8-9 kw difference between the std and tickford engines.

Don't forget that many variables contribute to a good run, including things like ambient air temp, driver reaction etc.

Does the engine feel stronger to you when driving it? I do recommend sourcing the XR ECU to match the other mods.

I recently put the XR cam in my EL, and I noticed a very small, seat of the pants, difference. Mind you I have had XR Fuel maps, fuel pressure reg, intake and exhaust mods to make the most of it.

Cheers
BenJ

 

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 Post subject: Re: help needed
Posted: Tue Oct 20, 2009 11:18 am 
Getting Side Ways
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After putting in all the stuff did the car feel any different? Did it have a bit more go or was it still the same? if your not using the XR6 ecu i would of left the XR6 fuel reg out and kept the standard one in as it might be running a bit too rich, as they run rich enough already from factory.

What was your trap speed on both runs?

 

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 Post subject: Re: help needed
Posted: Tue Oct 20, 2009 11:46 am 
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yeah mph/trap speed is a better indicator of power then et, if you can, scan both your timeslips up.

 

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 Post subject: Re: help needed
Posted: Wed Oct 21, 2009 1:27 am 
Parts Gopher
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the car feels a bit stronger but was really shocked when i got the time slip might have to try and get my hands on a xr ECU thanks for ur help guys 138 kph where before it was up the 145 kph mark?
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 Post subject: Re: help needed
Posted: Wed Oct 21, 2009 1:34 am 
Getting Side Ways
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you ran a 15.5 in a stock std EF fairmont...

I would have never thought they were that quick....I owned one and it felt slow

 

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 Post subject: Re: help needed
Posted: Wed Oct 21, 2009 1:40 am 
Parts Gopher
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its got a 3:45 lsd diff iswell :lol:
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