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Author Polished throttle body....
Jenko_Sport
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Registered: 25th May 06
Location: Stoke-on-Trent
User status: Offline
9th Mar 09 at 16:16   View User's Profile U2U Member Reply With Quote
On an x16xe.

Ground the lip and made it alot more direct round and polished it up inside.

Shame it will only get all oiled up within a few minutes but oh well.

Anyone else done this?
gez bay
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Registered: 14th Feb 08
Location: South Wales drives: Vxr
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9th Mar 09 at 17:57   View User's Profile U2U Member Reply With Quote

Jenko_Sport
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Registered: 25th May 06
Location: Stoke-on-Trent
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9th Mar 09 at 20:35   View User's Profile U2U Member Reply With Quote
Got mine to a mirror finish both sides. : )
Nic Barnes
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Registered: 5th Apr 04
Location: nowhere near ginger people
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9th Mar 09 at 20:51   View User's Profile U2U Member Reply With Quote
good for a couple bhp so they say at regal and in max power.
stan_the_man
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Registered: 14th Feb 07
Location: Perth, Western Australia
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9th Mar 09 at 20:53   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Nic Barnes
good for a couple bhp so they say...... in max power.


Only when coupled with a sticker
ed
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Registered: 10th Sep 03
User status: Offline
9th Mar 09 at 21:01   View User's Profile U2U Member Reply With Quote
Air flows better over the surface that's provided when the part is originally cast.
csweatherston
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Registered: 16th Jan 06
Location: Devon
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9th Mar 09 at 21:18   View User's Profile U2U Member Reply With Quote
Perhaps the Airflow needs the turbulence provided by rough casting.
Martin_C
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Registered: 27th Jun 03
Location: Ayrshire, Scotland
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9th Mar 09 at 21:28   View User's Profile U2U Member Reply With Quote
i read a similar thing on a honda forum, thats polished internals on an intake doesnt allow fuel to atomize correctly, but, i dont know.
Jenko_Sport
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Registered: 25th May 06
Location: Stoke-on-Trent
User status: Offline
9th Mar 09 at 21:30   View User's Profile U2U Member Reply With Quote
Well didnt take long to do so nothing lost realy.
geth_corsa
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Registered: 18th May 08
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9th Mar 09 at 21:37   View User's Profile U2U Member Reply With Quote
what did you use to clean it mate?
ed
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Registered: 10th Sep 03
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9th Mar 09 at 21:37   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by csweatherston
Perhaps the Airflow needs the turbulence provided by rough casting.
Indeed it does.
Jenko_Sport
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Registered: 25th May 06
Location: Stoke-on-Trent
User status: Offline
9th Mar 09 at 21:39   View User's Profile U2U Member Reply With Quote
Ive heard that theory on fuel not mixing right but when people have headwork the ports get polished so its a see how it goes situation.
RCS
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Registered: 26th Jan 05
Location: Lichfield/Dundee
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9th Mar 09 at 21:42   View User's Profile U2U Member Reply With Quote
I had a guy fitting an enlarged throttle body on his Integra the other day...had to laugh as there was now a big step in diameter between the throttle and plenum which will result in a vena contracta meaning hes effectively just fitted a restrictor
stan_the_man
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Registered: 14th Feb 07
Location: Perth, Western Australia
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9th Mar 09 at 21:43   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by RCS
I had a guy fitting an enlarged throttle body on his Integra the other day...had to laugh as there was now a big step in diameter between the throttle and plenum which will result in a vena contracta meaning hes effectively just fitted a restrictor


Vtec n0!!!!
gez bay
Member
Registered: 14th Feb 08
Location: South Wales drives: Vxr
User status: Offline
9th Mar 09 at 21:58   View User's Profile U2U Member Reply With Quote
i just cleaned mine up, got all the mucky shit out of it
from this to the pic above^^



[Edited on 09-03-2009 by gez c16b]
Ste
Premium Member

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Registered: 5th Mar 03
Location: Taif, Saudi Arabia
User status: Offline
9th Mar 09 at 22:03   View Garage View User's Profile U2U Member Reply With Quote
Just get a fine wire brush and rough up the inside, as previously stated, a mirror finish isn't desired on the input side. a slightly roughened surface is best


I would rather lose by a mile because i built my own car, than win by an inch because someone else built it for me.
gez bay
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Registered: 14th Feb 08
Location: South Wales drives: Vxr
User status: Offline
9th Mar 09 at 22:28   View User's Profile U2U Member Reply With Quote
noo, that what i am saying, it went form being dirty ( in the second photo) to being all clean and shinney ( in the first photo) both pics are mine
ed
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Registered: 10th Sep 03
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9th Mar 09 at 22:39   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by RCS
I had a guy fitting an enlarged throttle body on his Integra the other day...had to laugh as there was now a big step in diameter between the throttle and plenum which will result in a vena contracta meaning hes effectively just fitted a restrictor
Some people are retarded, if fluid dynamics was that simple everyone could design an engine

 
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