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Location:
nth ringwood, Victoria
Registered:
August 2002
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can 20 v throttles be bored out
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Tue, 02 March 2004 07:32
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just wonting to no if black top throttles can be bored out from 45 to 48mm thanks for any replys
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I supported Toymods
Location:
sydney.au
Registered:
August 2002
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Re: can 20 v throttles be bored out
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Tue, 02 March 2004 07:33
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as far as i know they are 48mm stock
ae101 is 45mm
ae111 is 48mm
although i may be wrong, this is what ive heard
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Location:
nth ringwood, Victoria
Registered:
August 2002
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Re: can 20 v throttles be bored out
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Tue, 02 March 2004 07:56
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silvers are 43mm at butterfly and blacktop are 45at butterfly
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I supported Toymods
Location:
sydney.au
Registered:
August 2002
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Re: can 20 v throttles be bored out
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Tue, 02 March 2004 09:16
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ah!
at butterfly
my bad 
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I supported Toymods
Location:
I renounced punctuation
Registered:
May 2002
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Re: can 20 v throttles be bored out
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Tue, 02 March 2004 09:30
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Why do you think it can't be done Glenn?
Wouldn't it be a matter of boring it out, slight lengthening of the shaft slit and fitting a bigger butterfly?
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Club Member
Location:
sydney
Registered:
May 2002
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Re: can 20 v throttles be bored out
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Tue, 02 March 2004 10:06
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you may damage some of the idle vacume ports... which will basically mean they will be unuseable in stock setup, you could fix it by reboring your own ports though if you are going to go that far in terms of modifying them... there are easier ways though.
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Location:
Brisbane / Gold Coast
Registered:
May 2002
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Re: can 20 v throttles be bored out
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Tue, 02 March 2004 16:28
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| CelicaRA45 wrote on Tue, 02 March 2004 18:32 |
just wonting to no if black top throttles can be bored out from 45 to 48mm thanks for any replys
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Not really, the walls are pretty thin.
As mentioned above, the silvertop's are 43mm and the blacktop's are 45mm.
If you want bigger, try Toby Hunt at Meridian Motorsport in Melbourne, he can get them nearly any size made up to order.
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Location:
Melbourne
Registered:
May 2002
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Re: can 20 v throttles be bored out
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Tue, 02 March 2004 22:00
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glen,
yes they can be overboored - you can take the silvers out to nearly 46, blacks i'm not sure but probably 48 is a limit (same as beams 3sge kit) main thing if finding a set!!
other thing is the cost - a mounting bracket has to be made to hold the t/b, then it has to be completly stripped then bored. new butterly & shaft has to be made. then reassemble.
bottom line here is it works out comparable to have throttle blocks made as bill suggested. - in most applications they are the better option.
generally the throttle blocks are about $180 ea + linkages
T
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Location:
sydney
Registered:
March 2004
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Re: can 20 v throttles be bored out
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Mon, 08 March 2004 09:23
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yeah they can be bored out, silver tops can be bored to 47mm and not sure of the black top i haven't needed to do it to mine yet. If you think you need bigger contact me and i should be able to make some up for you
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Location:
nth ringwood, Victoria
Registered:
August 2002
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Re: can 20 v throttles be bored out
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Wed, 10 March 2004 10:10
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well i got them back today 47.5mm like the TRD 1s still used the same shafts and had new butterflys made up 110 per throttle so not 2 bad
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