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Old 09-08-2004, 20:17   #1 (permalink)
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70mm Thottle Bodies

Hi guys..

I've just been offered a 70MM Power brand "professional products" Thottle body, and EGR Spacer.

Will a bigger Thottle body actually help my engine, or hinder it?

I've heard of bigger tb's actually dropping performance due to too much air being taken in..

Any help?

Cheers.
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Old 09-08-2004, 20:46   #2 (permalink)
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Re: 70mm Thottle Bodies

Simply, you just don't need a 70mm TB yet. If it is at a good price and you are planning a few mods later on then I guess it won't hurt.. But you really need good heads + intake. Plus, the MAF is only 55mm so there will always be that restriction there too.
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Old 09-08-2004, 21:03   #3 (permalink)
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Re: 70mm Thottle Bodies

I just installed a 70mm MAF, i have explorer manifolds (which aren't bad i've heard) and i wanna do heads, but thats a bit rich atm..

I want to collect little parts as i go, but he's asking around $300 for the TB and EGR spacer. both 70mm. I wanna collect rockers, cam and TB, then heads later..

Is $300 too much for the TB and Spacer?
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Old 09-08-2004, 22:02   #4 (permalink)
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Re: 70mm Thottle Bodies

$300 is very reasonable. Is it polished, or just normal finish? You can get polished ones for not much more than that - not sure what brand they are though.
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Old 09-09-2004, 02:52   #5 (permalink)
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Re: 70mm Thottle Bodies

I have just fitted 70mm throttle body from AU3 XR8, the tickford one with the 70mm mass air meter, it is fitted to a EL2 XR8 with the explorer manifold and it made a big difference, i just thought that buying the 65mm was not worth it so i got the 70mm
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Old 09-09-2004, 05:12   #6 (permalink)
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Re: 70mm Thottle Bodies

going from a 55mm to a 70mm will feel like a big difference, but really the best option for you would be a 65mm...
I went from 65mm to a 70mm tickford one and it made no difference at all...
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Old 09-09-2004, 05:25   #7 (permalink)
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Re: 70mm Thottle Bodies

$300 isn't bad, they are $430 new. As said, 65mm is probably the best option but 70mm is fine too.
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Old 09-09-2004, 05:54   #8 (permalink)
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Re: 70mm Thottle Bodies

it really depends on how far you want to modify your motor, a 65mm would be the best option for mild mods, but if you are considering doing going a bit further with alloy heads, cam ect... a 70mm - 75mm might be the better option.
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Old 09-09-2004, 05:55   #9 (permalink)
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Re: 70mm Thottle Bodies

Oh well, i was going to keep the link quiet, but hell, here it is..

http://cgi.ebay.com.au/ws/eBayISAPI....489239421&rd=1

Whatcha think?
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Old 09-09-2004, 06:10   #10 (permalink)
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Re: 70mm Thottle Bodies

i have the power plus egr block, not the easiest thing to fit as they are made for mustangs, all the intake is on the right hand side, i had to custom make a brace to hold the accelerator cable, delete the egr and you will also have to modify the ball linkage on the t/b aswell to suit the aussie motor, all in all it would be easier to get an au 65mm t/b and egr block(out), the au's didn't have an egr.
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