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BA 70mm throttle body fitted to EL 

 

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 Post subject: BA 70mm throttle body fitted to EL
Posted: Sat Mar 15, 2014 12:08 am 
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Hey fellas got bored today and had been reading that a few people with modified engines had been putting on 68mm tb and seeing gains and I knew that the ba had a 70mm I picked up one today to see if it was possible to fit. Low and behold not too hard.. I'll do a full write up tomorrow if anyone wants.
Obviously you do lose isc but that never bothered me. Image
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 Post subject: Re: BA 70mm throttle body fitted to EL
Posted: Sat Mar 15, 2014 7:54 am 
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Nice, would like to attempt this when you get the writeup done! :twisted:

Where is the idle screw if you lose the isc? Doesnt bother me coz i dont run my isc anyway, but no isc needs you to wind the idle screw up abit more for required idle. If that makes sense lol.

 

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 Post subject: Re: BA 70mm throttle body fitted to EL
Posted: Sat Mar 15, 2014 8:36 am 
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Hey man thanks for that! Idle screw is silver and you can see it on pic just above the tps

 

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 Post subject: Re: BA 70mm throttle body fitted to EL
Posted: Sat Mar 15, 2014 10:46 am 
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Ahh yeah, i see it there, i must be blind as a bat ahah.

Good job ayy,

How well did the tps line up with the flat bar that it sits on? And is there only the one bolt hole that lines up for the tps?
Did you notice much of a difference in response after changing to the BA one?

Also are all ba/f throttle bodys the same whether it be XR6 or XT?

Cheers mate, please link me the write up when done :) keep up the good work.

 

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EL XR6, T5 Speed - Full Factory Fitted Tickford Body Kit, AU Engine, Billet Camtech 845 Cam, J3 Chip, MLS Gasket, Intake, Extractors, High flow cat, 2 1/2in exhaust, K&N Air Filter, 3.45 LSD, - My Pride and Joy

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 Post subject: Re: BA 70mm throttle body fitted to EL
Posted: Sat Mar 15, 2014 12:13 pm 
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Falcon96XR6 wrote:
Ahh yeah, i see it there, i must be blind as a bat ahah.

Good job ayy,

How well did the tps line up with the flat bar that it sits on? And is there only the one bolt hole that lines up for the tps?
Did you notice much of a difference in response after changing to the BA one?

Also are all ba/f throttle bodys the same whether it be XR6 or XT?

Cheers mate, please link me the write up when done :) keep up the good work.

All the same on xt and xr6 and I believe xr6T is same.
You can idle a car by drilling a small hole in the throttle butterfly and go bigger until you get the required amount lol.

Great idea on the bigger TB mate

 

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 Post subject: Re: BA 70mm throttle body fitted to EL
Posted: Sat Mar 15, 2014 12:15 pm 
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You should half the size of the tb shaft as well!

 

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 Post subject: Re: BA 70mm throttle body fitted to EL
Posted: Sat Mar 15, 2014 12:18 pm 
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Thanks for the feedback! Yes its snappier off the mark feels more Torquey in mid range at part throttle (odd I know) it pulls stronger to 6000 which suits the cam. I have to drill holes for the tps and get a nut and bolt for that. Took a bit of Fiddling to get that right at be moment I have an ugly bracket holding it in its place lol I ran out of time to complete It yesterday will finish tonight tidy it up and do a write up. Ba bf throttle bodies are all the same xr or xt falcon. Ft are different can't use an fg one. 70mm is probably overkill but its an improvement and not costly at all. Cost 25 at self serve.

 

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 Post subject: Re: BA 70mm throttle body fitted to EL
Posted: Sat Mar 15, 2014 8:19 pm 
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I would've thought torque would be down but overall hp up. Be interested to see a before and after on a dyno.

 

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xr8 snorkel,typhoon lower snorkel,territory intake pipe,20% underdrive kit,pacemaker extractors,high flow cat,xforce exhaust,t56 conversion hd turbo clutch/ flywheel,m86 3.45 lsd,custom tune187.1rwkw as an auto

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 Post subject: Re: BA 70mm throttle body fitted to EL
Posted: Sat Mar 15, 2014 9:00 pm 
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bry40l wrote:
Be interested to see a before and after on a dyno.


Definetly.

 

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 Post subject: Re: BA 70mm throttle body fitted to EL
Posted: Wed Mar 19, 2014 6:34 am 
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Best bit about that mod is how the car now idles properly!

 

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 Post subject: Re: BA 70mm throttle body fitted to EL
Posted: Wed Mar 19, 2014 8:16 am 
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Nice work. I looked at doing this to a twin 60mm from a gt500 for my supercharger but decided I cbf.


Any t/b from the Ford stable that uses the same motor could be modified the same way.

A little bit of fab, some brass barbs, and some heater hose would have ISC up and running again if you really wanted it.

 

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 Post subject: Re: BA 70mm throttle body fitted to EL
Posted: Wed Mar 19, 2014 8:18 am 
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Great idea Mad.

But getting abit keen arnt we? :wink: haha

 

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EL XR6, T5 Speed - Full Factory Fitted Tickford Body Kit, AU Engine, Billet Camtech 845 Cam, J3 Chip, MLS Gasket, Intake, Extractors, High flow cat, 2 1/2in exhaust, K&N Air Filter, 3.45 LSD, - My Pride and Joy

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 Post subject: Re: BA 70mm throttle body fitted to EL
Posted: Wed Mar 19, 2014 8:46 am 
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Falcon96XR6 wrote:
Great idea Mad.

But getting abit keen arnt we? :wink: haha
Not really.
Any time you have forced induction where the throttle body is before the power adder, you want a little restriction as possible.
You can get away with a smaller t/b when it is after the power adder.

My kit already has a Ford twin 57mm on it, which is rough equivalent to an 80mm single.

 

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 Post subject: Re: BA 70mm throttle body fitted to EL
Posted: Wed Mar 19, 2014 8:52 am 
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Sorry, i meant with the fab'ing etc for the ISC lol

 

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EL XR6, T5 Speed - Full Factory Fitted Tickford Body Kit, AU Engine, Billet Camtech 845 Cam, J3 Chip, MLS Gasket, Intake, Extractors, High flow cat, 2 1/2in exhaust, K&N Air Filter, 3.45 LSD, - My Pride and Joy

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 Post subject: Re: BA 70mm throttle body fitted to EL
Posted: Wed Mar 19, 2014 8:56 am 
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Oh.

I haven't got any good pics of how mine is set up, but it's a plate of steel with two holes drilled for barbs that bolts to the ISC, then it's just a barb before and one after the t/b. Works great. No s**t cold starts.

You could easily tee it in to the PCV line too.

 

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