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anthony84
Regular

Location:
syd
Registered:
February 2003

Quad Throttel bodes	Tue, 06 January 2004 09:19

i wanna no if i can put quad throttel bodies on my twin cam 100kw engine... if i can what do i need and how should i go by doing it... does it make a diferance in performance.... plz help... [Report message to a moderator]

gianttomato
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Re: Quad Throttel bodes	Tue, 06 January 2004 09:32

Buy a manifold, some ITBs, a linkage kit and an aftermarket ECU. With a stock engine you might notice a modest improvement in mid range response. You will see the best increment in performance with a highly modifed engine. [Report message to a moderator]

onejayzed
Regular

Location:
Perth
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September 2003

Re: Quad Throttel bodes	Tue, 06 January 2004 09:32

HUGE difference in performance - similar power to a supercharged setup (minus the torque though). very twitchy throttle wise though, a bit hard to get used to if you come straight out of a single throttle bodied car. you'll need an aftermarket ECU to run it as well, the stock ECU will shit itself completely. i'm sure anything can be made to fit (i have a pair of ex GPz1100R 35mmØ TBs going on my 1UZ soon...) but i'd start with the 20V ones first, considering how close a match the exhaust 'headers' are. [Report message to a moderator]

Norbie
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Brisbane
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May 2002

Re: Quad Throttel bodes

Tue, 06 January 2004 11:45

onejayzed wrote on Tue, 06 January 2004 19:32

HUGE difference in performance - similar power to a supercharged setup

LOL! Not without lots of other mods, as GT mentioned.

[Report message to a moderator]

gianttomato
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Re: Quad Throttel bodes	Tue, 06 January 2004 12:14

The improvement will be modest at best without any other modifications. Definitely NOT a 'bang for buck' manouevre. I do recommend the induction noise though. The 35mm throttle bodies will be too small for your 1UZ. [Report message to a moderator]

shindeokure
Regular

Location:
melbourne
Registered:
September 2003

Re: Quad Throttel bodes	Tue, 06 January 2004 12:23

wouldn't it be cheaper/easier to dump a whole 20v setup in there unless you plan to completely rework the engine? [Report message to a moderator]

slydar
Regular

Location:
qld
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December 2003

Re: Quad Throttel bodes	Tue, 06 January 2004 13:08

http://www.speed-technology.com/efi_main_page.html these dudes sell the throttle bodies, and linkages, and computers too... theres another mob that do almost identical throttle bodies, cant remember what theyre called though. theyre "weber style" meaning theyll fit onto a manifold intended for a weber carb, meaning you can get a manifold to fit from a manufacturer called redline. i really think fitting 20v throttles bodies is fairly pointless, considering the amount youll pay for an adapter plate, plus the price of the ITBs themselves, and its not so easy to get them to idle either. anyway, its alot of money, for not much reward. that said, there are some people out there who just prefer NA motors. but if youre after bang for buck, this isnt the way. even if youre after NA power, like someone already said, youre better off with a 20v swap. [Report message to a moderator]

ed_ma61
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Lost in the K hole
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May 2002

Re: Quad Throttel bodes

Tue, 06 January 2004 13:42

onejayzed wrote on Tue, 06 January 2004 20:32

HUGE difference in performance - similar power to a supercharged setup

[Report message to a moderator]

oldcorollas
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Kita-Ku, Sapporo, Japan
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January 2003

Re: Quad Throttel bodes	Tue, 06 January 2004 14:42

the other mob are "EFI hardware" which an Aussie company. both are fantastic ITB's, but i think EFI hardware are a little better.. all up you'd be looking at around $1500 give or take a few hundred for the ITB's fuel rails etc... awesome, but terrible bang for buck. really only need them when you start tuning the length of the intake tract, and even then, it's more for the sound and even air distribution than for outright performance (imho) Cya, Stewart [Report message to a moderator]

slydar
Regular

Location:
qld
Registered:
December 2003

Re: Quad Throttel bodes	Tue, 06 January 2004 14:58

that is efi hardwares site the other dudes i think are injection perfection. they seem to sell pretty much the exact same stuff. [Report message to a moderator]

oldcorollas
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Kita-Ku, Sapporo, Japan
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January 2003

Re: Quad Throttel bodes	Tue, 06 January 2004 15:07

oops, sorry, was thinking of TWM as the US one http://www.twminduction.com [Report message to a moderator]

gianttomato
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Re: Quad Throttel bodes	Tue, 06 January 2004 15:41

TWM make some awesome stuff for Yank bent iron. Makes me almost want to do up a Windsor 302. Also, try Injection Perfection. They have a fairly outdated pricelist too. MoTeC used to do throttle bodies as well. I have a silly feeling they may still do them. [Updated on: Tue, 06 January 2004 15:45] [Report message to a moderator]

oldcorollas
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January 2003

Re: Quad Throttel bodes

Tue, 06 January 2004 15:46

gianttomato wrote on Wed, 07 January 2004 02:41

TWM make some awesome stuff for Yank bent iron. Makes me almost want to do up a Windsor 302.

they also do great weber style ITB's for the 4AG. have seen them set up and they do look the goods.. the main difference between them and the EFI hardware ones is the fuel rail, and possibly linkages.. but they are both good.

i'd be looking at bike carbs personally Wink

[Report message to a moderator]

gianttomato
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Re: Quad Throttel bodes	Tue, 06 January 2004 16:09

Stewart, something like the Keihin FCRs? The biggest they come is 41mm (according to their website). PS: Bugger balancing 4 carbs! [Report message to a moderator]

Grega
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Re: Quad Throttel bodes	Tue, 06 January 2004 18:42

NOW you're talking....mmmmmm slide throttles.... if you're seriously that set on a set of 20v TB's get your 100kw manifold chop it lets say 3-4 inches away from where it bolts to your head, and, get a plate TIG welded to that, which, you can then bolt the quads too. and get an aftermarket computer and to compliment it get some better cams....the individual TB per cylinder will help immensely. [Updated on: Tue, 06 January 2004 18:44] [Report message to a moderator]

onejayzed
Regular

Location:
Perth
Registered:
September 2003

Re: Quad Throttel bodes	Wed, 07 January 2004 00:11

the quads will require cams and a good exhaust to make the most of them - yes i should have said that. one would assume you would want to make the most of your extra airflow... and the std size ports on my 1UZFE are 35mmØ, so they are in effect just right. the exhaust ports are 35mmØ too. as soon as i mention anything less than 42mmØ people shit themselves and say they're too small. the butterflies are paper-thin too, with no central actuator rod. i understand the whole 'tapering inlet port' idea (ie a manifold that tapers from 42 to 35) however the ram tubes have the same kind of taper on them. [Report message to a moderator]

Ben Wilson
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May 2002

Re: Quad Throttel bodes	Wed, 07 January 2004 01:38

If you can get the TB's cheap and are handy at metal working, you can fabricate your own adapter plates. That should give you an idea of the way I did it. [Report message to a moderator]

oldcorollas
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Kita-Ku, Sapporo, Japan
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January 2003

Re: Quad Throttel bodes

Wed, 07 January 2004 02:36

gianttomato wrote on Wed, 07 January 2004 03:09

Stewart, something like the Keihin FCRs? The biggest they come is 41mm (according to their website).
PS: Bugger balancing 4 carbs! Laughing

actually i was thinking more along the lines of the Honda VTR TB's

SP1 = 54mm
SP2 = 62mm!!!! for a 0.5L cylinder
should be just about right on a 2L 4 Wink

http://www.mcnews.com.au/NewBikeCatalogue/2002/Hon da/SP2/Page_1.htm
mmmm 12 jet twin injectors Very Happy

Cya, Stewart

ps, Ben, that looks damn good!! what are those TB's off? (if you want to share Wink

)

[Report message to a moderator]

onejayzed
Regular

Location:
Perth
Registered:
September 2003

Re: Quad Throttel bodes	Wed, 07 January 2004 03:54

my kawasaki TBs were $50 including injectors, rail and TPS. btw, that's a really neat job there Ben! kudos [Report message to a moderator]

Ben Wilson
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Canberra
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May 2002

Re: Quad Throttel bodes	Wed, 07 January 2004 04:34

Stewart - They are just standard silvertop 20v TB's mated to a redline manifold. [Report message to a moderator]

frank_grimes
Regular

Location:
Adelaide
Registered:
May 2002

Re: Quad Throttel bodes	Wed, 07 January 2004 05:07

How much are those redline manifolds? [Report message to a moderator]

ae86trueno
Forums Junkie

Location:
Sydney
Registered:
May 2002

Re: Quad Throttel bodes	Wed, 07 January 2004 05:46

Hay Ben you forgot about your really trick trumpets Redline manifolds are about $250 i think last time i looked. Ben AE86 Trueno 4AGE [Updated on: Wed, 07 January 2004 05:47] [Report message to a moderator]

improvedae86
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Location:
Melbourne
Registered:
January 2003

Re: Quad Throttel bodes	Wed, 07 January 2004 05:48

What vehicle is the quads for ?? [Report message to a moderator]

Ben Wilson
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Location:
Canberra
Registered:
May 2002

Re: Quad Throttel bodes

Thu, 08 January 2004 00:05

ae86trueno wrote on Wed, 07 January 2004 16:46

Hay Ben you forgot about your really trick trumpets Laughing

You can laugh now, but, I'll bet you'll wish you had them when you try to find some bottom end torque from your new motor...

Getting decent inlet length is important, even if you have to dodge bits of car to do it....

http://www.geocities.com/benwilsonau/frink.txt

improvedae86 - In case you haven't guessed, this particular setup is on an AE86.

[Updated on: Thu, 08 January 2004 00:06]

[Report message to a moderator]

ae86trueno
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Sydney
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May 2002

Re: Quad Throttel bodes	Thu, 08 January 2004 00:31

Yeah your right Ben ill stop laughing now mmm where were those 288 degree cams... [Report message to a moderator]

improvedae86
Forums Junkie

Location:
Melbourne
Registered:
January 2003

Re: Quad Throttel bodes	Thu, 08 January 2004 00:51

Ben I emailed you a photo , could you please post it , i could help someone out . Thanks [Report message to a moderator]

Ben Wilson
Forums Junkie

Location:
Canberra
Registered:
May 2002

Re: Quad Throttel bodes	Thu, 08 January 2004 01:05

I don't have FTP here at work, so the best I can do is a backdoor Geocities hosting (like my trumpet picture - If they don't come out, you know why)... [Report message to a moderator]

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