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Location: Penrith
Registered: May 2004
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20v QTBs, Different Versions?
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Wed, 09 November 2005 10:23
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Is there any difference in the quad throttle bodies between the silver top and black top 20v engines? I'm specifically after information about the three mounting holes on each body - are they located in the same positions for each version?
I always assumed both engine versions had the same throttle bodies, but have recently been told they are different. Does anyone know?
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Location: brisvegas
Registered: August 2004
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Re: 20v QTBs, Different Versions?
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Wed, 09 November 2005 12:18

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the silver top ones are slightly smaller than the black top ones..i would ring toyota and ask for gaskets for them..then ask if the black top ones use the same gasket..they won't give you a part number..but they can tell you wheather or not there the same one..
Matty
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Location: Melbourne VICTORIA
Registered: November 2005
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Re: 20v QTBs, Different Versions?
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Wed, 09 November 2005 12:37

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Early model silver tops are different from late model ones and black top ones. I think differences from twin actuators to single and bits and pieces with the vaccuum. Again, im not completly sure about the differences
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Location: Brisbane / Gold Coast
Registered: May 2002
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Re: 20v QTBs, Different Versions?
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Wed, 09 November 2005 14:29

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They both have the same mounting bolt pattern.
The silvertop ones are 43mm the blacktop are 45mm.
There's an early and late silvertop but there's bugger-all difference between them.
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Registered: January 2004
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Re: 20v QTBs, Different Versions?
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Wed, 09 November 2005 21:09

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Hasn't this been covered about1,000,000 times before?
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Location: Penrith
Registered: May 2004
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Re: 20v QTBs, Different Versions?
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Wed, 09 November 2005 22:27
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170bhp wrote on Thu, 10 November 2005 08:09 | Hasn't this been covered about1,000,000 times before?
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Oh really? Not in the 10 pages of threads that I searched pal. If you haven't got anything useful to say, leave other people's threads alone.
Thanks to the other guys who have answered with some useful information.
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