Single Turbo RX-7's Questions about all aspects of single turbo setups.

after market or bigger throttle body???

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Old 04-16-10, 04:19 PM
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after market or bigger throttle body???

Hi there am doing a single turbo conversion have been looking for info on bigger throttle bodies.... what is the advantages of this? i have seen a few names of some floating around on the posts but no actual info that i could find. any suggestions for a 550 600 hp at the wheels build?

Cheers Mark
Old 04-16-10, 05:04 PM
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Rotary works just came out with a billet aluminum one that claims power gains... either way it looks really nice.. do a search brotha!


They also have a website www.rotary-worlks.com the throttle body is on the front page in the lower right hand side....
Old 04-16-10, 05:19 PM
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On my 700rwhp rx7 i picked up around 50rwhp with one our honed our throttle bodies.

We house 3 55mm throttle body blades in the factory throttle body.
Old 04-16-10, 05:21 PM
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I just saw that billet one and that is an awesome piece of gear.

they would have me sold if they had a 120mm one.
Old 04-16-10, 05:56 PM
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would that 120mm TB bolt to a stock manifold or made for a custom plenum chamber type???
Old 04-16-10, 06:06 PM
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The RW TB is a beautiful piece. I would definitely recommend it.
Old 04-16-10, 06:42 PM
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yeah the rw throttle body looks choice. i love the black 1! thanks guys again
Old 04-16-10, 07:01 PM
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Are there any dyno sheets with before and after the RW throttle body
Old 04-16-10, 07:13 PM
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^ I was just gonna ask the same question! what size throttle body will i need to support say 600rwhp?
Old 04-16-10, 07:35 PM
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I think rotary works is a vendor on here.... you should look them up...
Old 04-16-10, 08:10 PM
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^ i had a look at there website so i will try contact them through there and see what they can come up with.

thanks
Old 04-17-10, 06:30 AM
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I'm not convinced that the factory FD throttlebody is particularly restrictive for normal/street power levels. I've seen plenty of 2nd gens making well over 400whp, and the 2nd gen throttlebody is smaller than the FD's.
Old 04-17-10, 09:23 AM
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Originally Posted by arghx
I'm not convinced that the factory FD throttlebody is particularly restrictive for normal/street power levels. I've seen plenty of 2nd gens making well over 400whp, and the 2nd gen throttlebody is smaller than the FD's.

I'd like to see some back to back dyno numbers between the two. I would think there is a huge difference between stock and ported UIM with RW TB on the FD.
Old 05-02-10, 01:34 PM
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This the route I will be taking soon.




http://www.rotary-works.com/mm5/merc...gory_Code=THBD
Old 06-26-10, 10:44 AM
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any one used the 100mm universal ebay tb's?
they r cheap little over $200,

I tryed contacting rotary-works email, pm & by phone
past couple days with no luck,

I need to get one fast, have event july 9th,

any other recomend for tb?

thnx in advance
Old 06-27-10, 01:43 AM
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I was just messing with a rotary works TB the other day. Unless I missed something, you only have one idle adjuster screw which sets the throttle plate angle when closed... I don't think there is an air adjusting screw on the bottom. There's also no fast idle system. It's a single blade TB so you don't have the two-stage design that is used on just about every rotary from the factory. It seems ok for a hardcore high hp setup but I still don't see the point on your typical 350-450rwhp car.
Old 06-27-10, 07:43 AM
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Rw is overkill for the street or anything sub 500whp

no cruise control either
Old 06-29-10, 01:32 AM
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whats the max hp I can flow with 90mm TB,
I plan 91 or 94mm turbo
thnx
Old 06-30-10, 01:10 AM
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Have you tried contacting Rene Franco from Rotary works?

His number is (323)309-4375

He showed me one at his shop not to long ago, might be worth giving him a call and see if he has any in stock.

Originally Posted by tony94s4
any one used the 100mm universal ebay tb's?
they r cheap little over $200,

I tryed contacting rotary-works email, pm & by phone
past couple days with no luck,

I need to get one fast, have event july 9th,

any other recomend for tb?

thnx in advance
Old 06-30-10, 02:30 PM
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just ordered the the 90mm rotary works tb
Old 06-30-10, 05:10 PM
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3x 55mm blades is only equivalent to a single blade 95mm TB, not even taking into account wall friction. Why would anyone need a 120mm?

Marco at ForceFed performance made nearly 900whp on a 13bt with stock S5 manifolds/unported S5 TB, just some food for thought...
Old 07-01-10, 10:50 PM
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FEED also has a big throttle body. I have one

thewird
Old 07-01-10, 11:19 PM
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this is what i'm running;



of course, will require custom intake manifolds
Old 07-02-10, 02:54 AM
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One would think the ports would be a restriction well before the TB butterflies. If that is indeed true maybe we should switch to 4" intercooler plumbing, and aftermarket intake manifolds?
Old 07-02-10, 04:42 PM
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Originally Posted by allrotor93
Rw is overkill for the street or anything sub 500whp

no cruise control either
who has cruise control?



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