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Old 03-12-2004, 22:09   #1 (permalink)
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throttle body upgrade????

hey everyone, was just wondering if an au falcon or xr6/8 or any other models came with a bigger throttle body??? i wouldnt mind getting a bigger throttle body but too save money i would rather buy a standard ford item, capa wanted about $700 for a throttle body upgrade on my ea, i have no idea what size it was, they didnt seem to give too much info about it. if any one knows what model falcon came with a bigger throttle body and what size it is this would be greatly appreciated.

thanks
Ehab
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Old 03-12-2004, 22:51   #2 (permalink)
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Re: throttle body upgrade????

you can get one for a XR8, 75-80mm TB's

I have seen that one on the CAPA website, but i think this mite be for V8's
http://www.capa.com.au/ford_power_parts_throttle.htm

does anyone know wot the standard 6 TB size is???
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Old 03-13-2004, 18:43   #3 (permalink)
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Re: throttle body upgrade????

the xf TB is about 3.2" its the same size as an ea TB (or at least the one that came on my ea)
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Old 03-14-2004, 04:01   #4 (permalink)
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Re: throttle body upgrade????

std size is generally called 65mm, but i measured my plate and i think its exactly 63.5
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Old 03-14-2004, 22:45   #5 (permalink)
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Re: throttle body upgrade????

yeah thanks guys, im going to look into it abit more, ive asked a couple wreckers and they said the xr8 220kw throttle bodies are a bit bigger (again no size) they wanted $500 for one that was only 3000km old.... pffft save a bit more and get one from capa!!!

ebs_4l - did you go to croydon tafe??? if that is you i was the guy that jamie introduced you too and had the ea fairmont ghia. you got to come out on some meets with us.
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Old 03-15-2004, 00:39   #6 (permalink)
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Re: throttle body upgrade????

'GM Destroya' is boring out the standard TB's to 68mm and only charging around $75 or so exchange.
He's making me one as we speak.
There is a thread kicking around here somewhere about it.

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Old 03-15-2004, 01:17   #7 (permalink)
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Re: throttle body upgrade????

Quote:
Originally Posted by Soxx
'GM Destroya' is boring out the standard TB's to 68mm and only charging around $75 or so exchange.

Rick.

hmm i might look into that.
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Old 03-15-2004, 01:23   #8 (permalink)
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Re: throttle body upgrade????

Is there any advantage to getting a bigger throttle body on a std engine?? If so is it a big gain or just not really worth it unless you start doing big engine mods...
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Old 03-15-2004, 01:35   #9 (permalink)
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Re: throttle body upgrade????

I doubt there would be any gain on a standard engine as they are limited by camshaft, head, etc.
I think you'd need to be producing 150rwkw+ to see any increase.

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Old 03-15-2004, 02:59   #10 (permalink)
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Re: throttle body upgrade????

I can see how this would be beneficial at full throttle but guys wouldnt this sort of stuff up part-throttle conditions because doesn't the TPS help determine how much air is going into the engine - and if you have a bigger/bored out TB then it will be like the throttle is open wider than the TPS think it is - hence stuffing up part-throtle mapping slightly???
it might cause pinging from leaner A/F ratios, or stuff up fuel economy etc - I dunno...
I'd say it might only be a slight problem, if it is indeed a problem at all, but have you considered that?
I'd much rather spend the money on something more useful like head work or soemthing....especially if you were considering paying the $500 or so!!!

Just my 2 cents...
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