Chaz
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| posted on 20/10/13 at 01:07 PM |
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Single throttle body sizes
Does anyone have a list of the common single throttle body sizes? I'm looking for 48-52mm.
The application is for a zetec with plenum for eaton M45 supercharger.
Something which is used to handling boost will help too!
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iank
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| posted on 20/10/13 at 04:48 PM |
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MGF Trophy (the 160bhp version) has a 52mm body.
This one -> eBay Item
Rover 75 turbo used this one eBay Item but don't know what size it is.
--
Never argue with an idiot. They drag you down to their level, then beat you with experience.
Anonymous
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lsdweb
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| posted on 20/10/13 at 05:25 PM |
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Usually 48mm on MGZR etc. The plastic ones are rumoured to deform and stick (not sure how true that is).
Wyn
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mark chandler
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| posted on 20/10/13 at 05:32 PM |
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I would have a measure up on the eaton charger first and work out how large you need.
My m90 inlet is far smaller than the butterfly in the throttle body even after porting it out, if it's a gen3 charger you will definitely want
to do this!
Regards Mark
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snakebelly
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| posted on 20/10/13 at 05:56 PM |
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For our supercharged GTA project we bought both a plenum and throttle body from IK Engineering, very helpful and reasonably priced.
HTH
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Bare
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| posted on 20/10/13 at 10:58 PM |
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Saab :-) Throttle body... a very simple unit, proven to well over 25psi. Almost free to buy at a breakers as well
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britishtrident
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| posted on 21/10/13 at 04:09 AM |
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quote:
Originally posted by lsdweb
Usually 48mm on MGZR etc. The plastic ones are rumoured to deform and stick (not sure how true that is).
Wyn
No rumour about it.
Plastic ones were only designed to have the inlet held on with a plastic hose clip, using a Jubilee or T Bolt hose clip crushes the throttle body
and causes the throttle to stick.
I have a spare 48mm alloy one in the garage also a very large Ford CVH throttle body .
[I] “ What use our work, Bennet, if we cannot care for those we love? .”
― From BBC TV/Amazon's Ripper Street.
[/I]
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BaileyPerformance
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| posted on 21/10/13 at 07:57 AM |
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Are you blowing thru the throttle or suck?
If your blowing thru just use the stock plastic zetec plenum and plastic throttle body, we have used these at 20psi several times without an issue.
The throttle busy only deforms if you over tighten the hose clip.
If you suck thru (throttle on intake of blower) the plastic zetec one will also be fine.
Note the 2.0L zetec throttle is bigger than 1.8L
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NOTE:This user is registered as a LocostBuilders trader and may offer commercial services to other users
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sebastiaan
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| posted on 21/10/13 at 06:06 PM |
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quote:
Originally posted by Bare
Saab :-) Throttle body... a very simple unit, proven to well over 25psi. Almost free to buy at a breakers as well
Useful post, thanks! 
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lsdweb
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| posted on 21/10/13 at 07:18 PM |
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quote:
No rumour about it.
Plastic ones were only designed to have the inlet held on with a plastic hose clip, using a Jubilee or T Bolt hose clip crushes the throttle body
and causes the throttle to stick.
Thanks BT - good to hear it from a reputable source on a reliable forum!
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Chaz
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| posted on 21/10/13 at 08:05 PM |
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Ok I'll have a look at the Rover 75 and MGF ones.
Of note I dont have space to use the original inlet and plenum, so i will have to get something custom put together.
I am blowing into the throttle body (after intercooling)
Thanks for all of your responses, helpful.
Just as a backup - any more throttle bodies between 48-52mm?
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britishtrident
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| posted on 21/10/13 at 08:58 PM |
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I'll post jpegs of the throttlebodies I have.
Another the throttlebody that might suit is the Honda PGFI one --- as used on 1990s Accords and Rover 600s
[I] “ What use our work, Bennet, if we cannot care for those we love? .”
― From BBC TV/Amazon's Ripper Street.
[/I]
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Chaz
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| posted on 22/10/13 at 07:35 PM |
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quote:
I'll post jpegs of the throttlebodies I have.
Another the throttlebody that might suit is the Honda PGFI one --- as used on 1990s Accords and Rover 600s
Have you got some throttle bodies for sale?
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Volvorsport
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| posted on 22/10/13 at 09:23 PM |
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volvo 740/940...
3 bolt flange.
www.dbsmotorsport.co.uk
getting dirty under a bus
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britishtrident
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| posted on 24/10/13 at 07:29 AM |
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A Rover 48mm and Ford Xr3 CVH EFI throttlebody on upper manifold
 
Rear of Rover throttlebody
[Edited on 24/10/13 by britishtrident]
[I] “ What use our work, Bennet, if we cannot care for those we love? .”
― From BBC TV/Amazon's Ripper Street.
[/I]
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