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Tickford head upgrade!! 

 

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 Post subject: Re: Tickford head upgrade!!
Posted: Sat Jun 02, 2012 1:53 pm 
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eaboomer wrote:
So i take it all this is similar to putting a tickford head on a ea? Also the diff cos arent the early e series speedos different from the ef/el speedos?


Re the speedos, both models EA-ED and EF-EL will happily use the same source signal. The tacho signal need to feed from a different pin on the ECU though.

It should be noted that if the head is from an NC it could have a slight difference on the edges of the half moon area. The early cars had a right angle edge, and the EF-EL modles had a radius instead. This can effect the sealing of the rocker cover gasket.

Cheers
BenJ

 

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 Post subject: Re: Tickford head upgrade!!
Posted: Sat Jun 02, 2012 3:03 pm 
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BTW.. you won't cause any damage by running the Tickford head before you get all the other stuff.. it's really just a better breathing head with bigger valves and better valvesprings.

It's just that to get the most from your investment you need the cam... reg, exhaust etc.
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 Post subject: Re: Tickford head upgrade!!
Posted: Sat Jun 02, 2012 3:04 pm 
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Ah yea thanks

is that hard to do electronics arent my strongest of skills lol

 

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 Post subject: Re: Tickford head upgrade!!
Posted: Sun Jun 03, 2012 12:51 am 
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Evxr6= thanks heaps for the description of the diff speedo gear, that will be really helpful. Cheers :)

BenJ= the Nc reconditioned head has the half moon cut in it, so the ef rockercover should hopefully fit :) thanks

Frankieh= I'll probably fit overhead cam and 300kpa fuel reg with it, then when I get the 3.45 diff done I'll then install the gear speedo and swap the "ecu" to the ef fairmont ghia one I have picked up. But I'm glad to here it wont damage the cars set up if I just install the head. Thanks heaps mate :D

It will be a working project over the next few weeks to get this upgrade done as I am getting a bodykit painted and fitted next week. I'm still not to sure if a bodykit will go well, what are your opinions on kits for an (mocca foam) coloured ef fairmont??
Cheers, ps this forum is f**k sick, very helpful so far.. :mrgreen:
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 Post subject: Re: Tickford head upgrade!!
Posted: Sun Jun 03, 2012 12:56 am 
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All of the heads have the half moon in them. The difference is in the transition edge from the flat surface into the half moon.

Cheers
BenJ

 

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 Post subject: Re: Tickford head upgrade!!
Posted: Sun Jun 03, 2012 10:20 am 
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I successfully fitted EF Rocker cover to my ED head - which had the sharp edge transition from the sill to half moon - by simply filing the edges round...

 

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 Post subject: Re: Tickford head upgrade!!
Posted: Sun Jun 03, 2012 1:06 pm 
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Ef Nut wrote:
Evxr6= thanks heaps for the description of the diff speedo gear, that will be really helpful. Cheers :)

...

Cheers, ps this forum is f**k sick, very helpful so far.. :mrgreen:


No worries, mate. That's what fordmods is all about. As long as you ask well thought out questions, you will find that a lot of people are willing to help you out, both online and in real life.

 

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 Post subject: Re: Tickford head upgrade!!
Posted: Sun Jun 03, 2012 2:08 pm 
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Alrighty,
I have no idea about 3.45 diffs, and was wondering if some coul :) d tell me if this is good, bad, yes, no or how many of these i need etc.
Like i was saying i have no clue about diffs and any help would be much appreciated..
Thanks again guys :)
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 Post subject: Re: Tickford head upgrade!!
Posted: Sun Jun 03, 2012 2:17 pm 
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Ef Nut wrote:
Alrighty,
I have no idea about 3.45 diffs, and was wondering if some coul :) d tell me if this is good, bad, yes, no or how many of these i need etc.
Like i was saying i have no clue about diffs and any help would be much appreciated..
Thanks again guys :)



OK. Diff goes between your two back wheels.. 3.45 is good.. you will find much better take off when you have one in as you are probably 3.23:1 now. You only need one, but if you have a second 3.45 diff, I'd be happy to take it off your hands. :-)

also if it's from a Ghia, it'll most likely be a limited slip diff which is good for traction generally but extra fun in the rain around corners.

The 3.45/3.23 is the ratio of wheel turns to input shaft turns... so the 3.45 means that the input shaft turns more per wheel turn than the 3.23:1 so it's a lower gear.. meaning better take off.
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 Post subject: Re: Tickford head upgrade!!
Posted: Sun Jun 03, 2012 2:43 pm 
Oompa Loompa
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Does that mean the 323 is better for towing?

 

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 Post subject: Re: Tickford head upgrade!!
Posted: Sun Jun 03, 2012 2:46 pm 
Oompa Loompa
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Lol dont even answer that haha

 

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 Post subject: Re: Tickford head upgrade!!
Posted: Sun Jun 03, 2012 3:18 pm 
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Ef Nut wrote:
Alrighty,
I have no idea about 3.45 diffs, and was wondering if some coul :) d tell me if this is good, bad, yes, no or how many of these i need etc.
Like i was saying i have no clue about diffs and any help would be much appreciated..
Thanks again guys :)


When people talk about 3.08 or 3.23 or 3.45 or 3.7 or 3.9 or 4.11 diff - they're talking about the gear ratio in the rear axle housing - which is the final drive gearing for the wheels.

What those numbers really mean is 3.08 to 1; 3.23 to 1; 3.45 to 1 etc.

The number refers to how many rotations of the drive shaft will make one rotation of the wheels - so you can see how the LARGER that number the LOWER the final gearing to the back wheels. Using a lower ratio (bigger number) is like putting a LARGER cog on the back wheel of your bike.

It's called the "differential" because that gear setup isn't just straight forward - it's a special setup that enables the input shaft drive to be translated 90 degrees to the Left and Right rear axles BUT at the same time enable each axle to turn at a different speed (where the "differential" or "diff" part of it comes from) - which is necessary when the car is turning - ie. the outside wheel needs to be able to make more rotations than the inside wheel when the car turns.

To be honest, IMO going from 3.08 to 3.45 is a waste of time and effort - so 3.23 to 3.45 would be even more so. If you must mess with the diff then IMO go at least to 3.7

edited - it's like a larger cog on the back of ur bike...

 

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Last edited by Greenmachine on Wed Jun 06, 2012 3:51 pm, edited 1 time in total.

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 Post subject: Re: Tickford head upgrade!!
Posted: Sun Jun 03, 2012 3:19 pm 
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Awesome I'm glad it will fit, cause I was going to purchase this one on eBay and cause I no very little about diffs so that why I asked if I need two. Lol
Unfortunately I don't have 2, but if I did would have helped you out there.
The ecu and fuel reg I got from the efIIfairmont ghia was laying flat on the ground so I couldn't get the slip diff, cause I went back to the self serve wreckers 2 days ago now and asked one of the workers to put the car on a stand or if he could remove it, but pretty much in a nut shell he wasn't interested.
But anyway, I met a guy on the weekend who used to work at ford and he said he would be more than happy to install the 3.45 diff for a cheap price.
Thanks heaps again guys for the info, I'll be purchasing this diff real soon now :D
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 Post subject: Re: Tickford head upgrade!!
Posted: Sun Jun 03, 2012 3:30 pm 
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also wheel/tyre sizes effect the ratio...i wouldn't bother with the 300kpa reg, as they run rich as is.
unless it's been tuned for it... i switched mine back to the 270kpa as it was running to rich
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 Post subject: Re: Tickford head upgrade!!
Posted: Sun Jun 03, 2012 4:03 pm 
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Don't panic about what I've said regarding 3.45 being a waste of time - if you can swing it for good cost then go for it - it certainly won't make things worse but just don't expect miracles with such a small ratio change.

 

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