RX7Club.com - Mazda RX7 Forum

3rd Generation Specific (1993-2002) 1993-2002 Discussion including performance modifications and Technical Support Sections.
Sponsored by:
Full Detail Automotive

Rotary-Works 90mm TB

Thread Tools
 
Search this Thread
 
Old 02-28-10, 03:53 AM
  #1  
SINFUL7

Thread Starter
iTrader: (37)
 
KaiFD3S's Avatar
 
Join Date: Apr 2004
Location: Alaska
Posts: 6,574
Received 1 Like on 1 Post
Rotary-Works 90mm TB
Just received my 90mm Rotary-Works TB such a great piece can't wait to install it and test it, too bad it will be a while since the car is still hybernating.

And I thought I was done with this car...LOL..

Here some pics

KaiFD3S is offline  
Reply Like
Old 02-28-10, 04:05 AM
  #2  
Turd Ferguson

iTrader: (1)
 
grimple1's Avatar
 
Join Date: Jul 2006
Location: Sherman Oaks, California
Posts: 2,047
Likes: 0
Received 1 Like on 1 Post
I am very tempted but got too many parts that I NEED to buy already.

Is it longer than the stock TB?
grimple1 is offline  
Reply Like
Old 02-28-10, 10:19 AM
  #3  
QM



iTrader: (9)
 
Sarusanj's Avatar
 
Join Date: Apr 2008
Location: Chandler, AZ
Posts: 485
Likes: 0
Received 0 Likes on 0 Posts
It one of the parts on my list during this rebuild.
Sarusanj is offline  
Reply Like
Old 02-28-10, 11:34 AM
  #4  
Eats, Sleeps, Dreams Rotary

iTrader: (17)
 
neit_jnf's Avatar
 
Join Date: Apr 2003
Location: Around
Posts: 3,908
Received 186 Likes on 135 Posts
so this eliminates the transition from primary to primary+secondary ports and you lose intake charge velocity affecting low end right? is it significant enough to be noticeable on a dd street car? is it even an issue?

another thing, there are people making crazy power with the stock tb, why change it?
neit_jnf is offline  
Reply Like
Old 02-28-10, 01:10 PM
  #5  
SINFUL7

Thread Starter
iTrader: (37)
 
KaiFD3S's Avatar
 
Join Date: Apr 2004
Location: Alaska
Posts: 6,574
Received 1 Like on 1 Post
For more information please refer to this thread
https://www.rx7club.com/vendor-classifieds-276/cnc-billet-single-throttle-body-90mm-fd-878470/
KaiFD3S is offline  
Reply Like
Old 02-28-10, 02:08 PM
  #6  
Urban Combat Vet

iTrader: (16)
 
Sgtblue's Avatar
 
Join Date: Oct 2003
Location: Mid-west
Posts: 12,021
Received 866 Likes on 615 Posts
That thread just advertises it for sale, but no performance data/dyno info offered.
Sgtblue is offline  
Reply Like
Old 02-28-10, 02:24 PM
  #7  
It's finally reliable

iTrader: (18)
 
MOBEONER's Avatar
 
Join Date: May 2004
Location: NEW YORK CITY
Posts: 3,511
Received 9 Likes on 7 Posts
KaiFD3S- let us know how it is. I was going to get one of these my self.
MOBEONER is offline  
Reply Like

Trending Topics

Old 02-28-10, 02:26 PM
  #8  
SINFUL7

Thread Starter
iTrader: (37)
 
KaiFD3S's Avatar
 
Join Date: Apr 2004
Location: Alaska
Posts: 6,574
Received 1 Like on 1 Post
More info here with some video of it
https://www.rx7club.com/vendor-classifieds-276/new-rotary-parts-877729/
KaiFD3S is offline  
Reply Like
Old 02-28-10, 04:17 PM
  #9  
Sir Braps A lot

 
rx7rcer09's Avatar
 
Join Date: Jul 2006
Location: Hilliard, OHIO
Posts: 2,001
Likes: 0
Received 1 Like on 1 Post
so your not selling the car.... thats a good thing.
rx7rcer09 is offline  
Reply Like
Old 02-28-10, 05:44 PM
  #10  
Rotary Freak
iTrader: (28)
 
Double_J's Avatar
 
Join Date: Jun 2009
Location: Ontario, Canada
Posts: 2,089
Likes: 0
Received 0 Likes on 0 Posts
Originally Posted by Sgtblue
That thread just advertises it for sale, but no performance data/dyno info offered.
It is a long thread with many parts, but one of them is the TB. He tested it on his stock DD car and noticed 10RWHP

https://www.rx7club.com/showthread.php?t=877729

Great looking TB to say the least. I just can not decide what the best route to go is. The way I see it you have several options.

1)Modify the stock TB like BDC. It keeps the same size butterfly, and removes some of the obstructions.

2)Modify the stock TB like the Feed unit. Larger butterflys and I guess you could still do some porting work like BDC does.

3)Get the large single TB like above. The single TB has less surface area to slow down the velocity.

4)Leave the thing alone.

I personally do not know what the best method is, and I guess it might depend on how each car is modified, and what it is used for.

I have been bouncing back and forth between these four choices for a bout two months now.
Double_J is offline  
Reply Like
Old 02-28-10, 06:28 PM
  #11  
Tango Down

iTrader: (3)
 
NoPistons!'s Avatar
 
Join Date: Sep 2008
Location: SC/NC
Posts: 2,895
Likes: 0
Received 1 Like on 1 Post
Wow. That looks cool!
NoPistons! is offline  
Reply Like
Old 03-10-10, 11:52 PM
  #12  
SINFUL7

Thread Starter
iTrader: (37)
 
KaiFD3S's Avatar
 
Join Date: Apr 2004
Location: Alaska
Posts: 6,574
Received 1 Like on 1 Post
Another month and I get to test this thing.. For me I would rather run this TB than a modified stock one, but that's just me...LOL

This one is actually cheaper than a modified stock one that are being sold.
KaiFD3S is offline  
Reply Like
Old 03-22-10, 09:25 PM
  #13  
Senior Member

iTrader: (8)
 
speedsilver7's Avatar
 
Join Date: Mar 2005
Location: north ca
Posts: 540
Likes: 0
Received 0 Likes on 0 Posts
u still wasting money on your rx7.Long time no see budy
kakakakaka
speedsilver7 is offline  
Reply Like
Old 03-22-10, 09:28 PM
  #14  
Rotary Freak
iTrader: (28)
 
Double_J's Avatar
 
Join Date: Jun 2009
Location: Ontario, Canada
Posts: 2,089
Likes: 0
Received 0 Likes on 0 Posts
I am interesting in hearing the results too. For some reason Rotary-Works is not on the forum and his posts have been removed. Too bad he had some pretty nice stuff on the go :s
Double_J is offline  
Reply Like
Old 03-22-10, 10:04 PM
  #15  
I won't let go


 
Railgun's Avatar
 
Join Date: Aug 2002
Location: Chi -> Maidstone
Posts: 3,861
Received 18 Likes on 13 Posts
You can send it to me and I'll test. I'd be very curious to know about the drivability of it as well given the secondary comment.
Railgun is offline  
Reply Like
Old 03-23-10, 01:47 AM
  #16  
SideWayZ The Only Way

iTrader: (11)
 
FD3S2005's Avatar
 
Join Date: Jun 2005
Location: Davie, Florida
Posts: 4,854
Received 6 Likes on 6 Posts
very interesting, im with railgun, send it to everyone to see if we all like it before buying it, your cars hibernating so i don't think she will mind
FD3S2005 is offline  
Reply Like
Old 03-23-10, 02:03 AM
  #17  
SINFUL7

Thread Starter
iTrader: (37)
 
KaiFD3S's Avatar
 
Join Date: Apr 2004
Location: Alaska
Posts: 6,574
Received 1 Like on 1 Post
No longer hybernating, sun has been out, just cant punch it too much since the roads are still cold, my intake temps are in the negatives..LOL
KaiFD3S is offline  
Reply Like
Old 03-23-10, 02:33 AM
  #18  
SideWayZ The Only Way

iTrader: (11)
 
FD3S2005's Avatar
 
Join Date: Jun 2005
Location: Davie, Florida
Posts: 4,854
Received 6 Likes on 6 Posts
just go sliding,, learn to keep it under control and you can be the king!!
FD3S2005 is offline  
Reply Like
Old 03-23-10, 06:38 AM
  #19  
Ronald..

iTrader: (1)
 
93rx74lyfe's Avatar
 
Join Date: Aug 2005
Location: Fairfax/Manassas VA
Posts: 2,013
Likes: 0
Received 0 Likes on 0 Posts
Looks interesting but for the seq twins guys it may not be worth it. Making the low end suffer for a possible 10hp gain at the top end dosent sound good.
93rx74lyfe is offline  
Reply Like
Old 03-23-10, 12:12 PM
  #20  
SideWayZ The Only Way

iTrader: (11)
 
FD3S2005's Avatar
 
Join Date: Jun 2005
Location: Davie, Florida
Posts: 4,854
Received 6 Likes on 6 Posts
hey kai what are thos carbon fiber pieces in the picture?
FD3S2005 is offline  
Reply Like
Old 03-23-10, 01:33 PM
  #21  
Eat, Sleep, Seven

iTrader: (8)
 
Dcashdollar's Avatar
 
Join Date: Sep 2009
Location: Fort Wayne, Indiana
Posts: 370
Likes: 0
Received 0 Likes on 0 Posts
Originally Posted by FD3S2005
hey kai what are thos carbon fiber pieces in the picture?
Looks like the hood and mirrors.
Dcashdollar is offline  
Reply Like
Old 03-23-10, 02:03 PM
  #22  
Rotary Freak

iTrader: (4)
 
Wompa164's Avatar
 
Join Date: Oct 2002
Location: Dallas, TX
Posts: 1,673
Received 10 Likes on 9 Posts
Looks like a really trick piece, I'd love to see some before/after dyno charts!
Wompa164 is offline  
Reply Like
Old 03-24-10, 01:30 AM
  #23  
Racing Mechanic

 
rexset's Avatar
 
Join Date: Oct 2002
Location: Santiago, Chile, South America
Posts: 539
Received 1 Like on 1 Post
Originally Posted by Wompa164
Looks like a really trick piece, I'd love to see some before/after dyno charts!

me too!!!!!
rexset is offline  
Reply Like
Old 03-24-10, 02:07 PM
  #24  
SINFUL7

Thread Starter
iTrader: (37)
 
KaiFD3S's Avatar
 
Join Date: Apr 2004
Location: Alaska
Posts: 6,574
Received 1 Like on 1 Post
Sorry guys, there are no Dyno's in this part of AK that I am in, but there is a lot of information on Rotary-Works Website...
KaiFD3S is offline  
Reply Like
Old 04-27-10, 06:18 PM
  #25  
Lives on the Forum

iTrader: (126)
 
allrotor93's Avatar
 
Join Date: Jul 2001
Location: Cary, NC
Posts: 6,703
Likes: 0
Received 3 Likes on 3 Posts
There is a group buy going on at the "other" forum

pm for details
allrotor93 is offline  
Reply Like



Advanced Search
Quick Reply: Rotary-Works 90mm TB


Reply Closed Thread Share

All times are GMT -5. The time now is 04:58 AM.