1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

Fuji Racing ITBs Finally In :D

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Old Oct 27, 2007 | 04:08 PM
  #51  
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Almost nothing actually, You will need to run an aftermarket intake manifold of sort, and you will also need a standalone to control it and what ever else is associated with a stand alone.
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Old Dec 11, 2007 | 10:24 AM
  #52  
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Just updating this, I'm in the final stages of trying to fire up the car. Fidling around with the Megasquirt, it cranks but doesn't start. Will be rewiring it once I get all my 4 conductor dual shielded cable for the CAS signal as it might be all from that. Once she's up and running and had some time to tune it a bit on the street, she will be up on the dyno and getting some hard copy results.
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Old Apr 10, 2008 | 08:48 AM
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Just wanted to update this, that I got the car fired up on saturday, and will have a Dyno/ Tunning Session on May 5th.

Also I just got a new throttle braket laser cut out of 11 guage SS to go the properway. The Supplied Throttle bracket, the cable would need to go down digging into the engine, and the cable would have to be routed to behind the intake Manifold, having to make you make a new Accelerator Cable that is longer and the way that it attaches onto it is a very weird design. My Design, allows you to keep both stock cable, and same way of attachment. To hold the cable in, all you'll be needing is a spare Alternator bracket.

I have already contacted Jimmy owner of Fuji Racing concerning this and have sent him my CAD files so that hopefully the next people that want to order this kit for a rotary engine would have a proper braket.
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Old Apr 10, 2008 | 08:56 AM
  #54  
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Glad to hear that it is running! So. . . .where is the dang video????
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Old Apr 10, 2008 | 09:02 AM
  #55  
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Haven't had time to get on that yet, but will be in the next week or two. I'll definatly have something for my Dyno and tunning session at the latest.
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Old Apr 13, 2008 | 11:03 PM
  #56  
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Still no video, but here's the final pictures of them in the engine bay and all the wiring done up properly. Also you can see the new bracket that I made for the throttle cable.



Attached Thumbnails Fuji Racing ITBs Finally In :D-picture-039.jpg   Fuji Racing ITBs Finally In :D-picture-040.jpg   Fuji Racing ITBs Finally In :D-picture-041.jpg   Fuji Racing ITBs Finally In :D-picture-037.jpg   Fuji Racing ITBs Finally In :D-picture-038.jpg  

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Old Apr 13, 2008 | 11:14 PM
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Looking sharp! Simple, looks great, should be an excellent setup for you. I personally can't wait for the forced induction part though.
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Old Apr 14, 2008 | 07:51 AM
  #58  
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Thanks Dan, should be cleaner once I get it all done and get that dust off of it .
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Old Apr 20, 2008 | 06:18 PM
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looks awesome and should perform amazing. im trying to figure a way to do this on my 8 cuz there are no kits available for the reny
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Old Apr 20, 2008 | 07:37 PM
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that looks pretty awsome dude. Graz on start up.
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Old Apr 20, 2008 | 09:16 PM
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Thanks Guys ... 2 more weeks and I'll be on the dyno wish me luck on there As for the rx8 ... i hear intake on those are problamatic to do
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Old Apr 21, 2008 | 02:06 AM
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Will be interesting to see what power it makes... best of luck
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Old Apr 22, 2008 | 08:54 PM
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oo im excited to see ur dyno, although a dyno sheet for ITBs dont really do it justice. the rx8 stock intake was actually designed very well but ITBs are something i just reallyreally wanna do, alot more than a turbo...for now
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Old Apr 29, 2008 | 08:37 PM
  #64  
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updates?
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Old Apr 30, 2008 | 12:20 AM
  #65  
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No dyno till May 5th, I should have the car fully on the road for friday. So I'll probably be posting a few videos here and there inbetween friday and monday
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Old May 6, 2008 | 08:00 PM
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howd the dyno go yesterday?
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Old May 6, 2008 | 11:06 PM
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I actually didn't dyno till today, had to switch spots with a guy, but all in all she went pretty good, she pulls pretty nice and hard, and sounds lovely. The dyno number are way lower than they should be, dyno really isn't tuned properly. I'll post up the graph but not the HP number ... i'll rebook some dyno time here locally, at the good dyno place and I'll post my results from there. But you can look at the curves of the graphs

New


Old


Like this its a better comparison to my old holley. You can tell that after 5252 rpm ... much more torque than before resulting in more ponies
Attached Thumbnails Fuji Racing ITBs Finally In :D-dyno-mustang.jpg  

Last edited by dj55b; May 6, 2008 at 11:11 PM.
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Old May 7, 2008 | 01:08 AM
  #68  
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looks pretty good. itd be nice to see some numbers with those graphs tho lol
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Old May 7, 2008 | 08:01 AM
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I want to hear these things! Nice numbers though. I'm sure it's a blast to drive.
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Old May 7, 2008 | 09:31 AM
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its this on a 12a or 13b? my ITBS had a pretty differnt looking dyno graph.

the torque would be the really flat line and should be around 150 ftlbs if its a 13b.

In the future I would like to make my own much straighter manifold and put the injectors in the stock ports located on the engine.
My thought is you could get more airflow this way as the ports wont have to flow air and fuel.

Last edited by mikey D; May 7, 2008 at 09:36 AM.
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Old May 7, 2008 | 09:58 AM
  #71  
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Hey guys, I'll get right on the dyno numbers as soon as I can. As for the engine, its a 12a.
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Old May 7, 2008 | 03:12 PM
  #72  
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for no confusions , the old dyno is from a holley carb, not the ITB's
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Old May 10, 2008 | 10:41 AM
  #73  
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here's a few video's for you guys:

http://www.youtube.com/watch?v=-90_FHXL_AQ

http://www.youtube.com/watch?v=LOCkN...eature=related

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Old May 10, 2008 | 12:33 PM
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the units on that graph are weird! like at 22.4 seconds, isnt 17afr lean?


really though looks like the fuel curve is ok, but it could be leaned out some
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Old May 10, 2008 | 01:32 PM
  #75  
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Black is AFR,
Red is HP
Dark Blue is TQ
Light Blue is Speed

So i think you're looking at the wrong things, but yes it does need to be leaned out a bit more in the lower RPM range, dipping into 11 isn't where it should be, but I had a couple of things, Fuel Pressure problems, that I think I tracked down to just a loose AN fitting on the fuel filter, and the other one is at that low range its like a crossover section. I'll post the new results once i get on the more accurate dyno here locally.

Sam
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