[Supras] (UPDATE) Idle issue after installing lexus AFM.

Thu May 17 21:03:24 CDT 2007

So.. I was goofing around under the hood today. The car had a rough idle like i have been describing. When i closed the hood the idle would drop and rise drop and rise and continue but never dies out. When I open the hood it normals out. Idle still a little rough but it stops rising and dropping. I repeatedly opened and closed the hood for my own amusement for a while then i left it open and sat there scratching my head. I am missing the fan shroud... Could it be that the fan is pulling air away from the filter and causing the tempermental Lexuz AFM to throw off the idle? I was amazed how opening and closing the hood was making such a huge difference.

Which brings me to this... Does someone have a spare fan shround that is in great condition that they would be willing to sell to me for cheap. Or does anyone have the electric fan setup they would be willing to sell?

- Harley(87t)
  ----- Original Message ----- 
  From: b2nice84 at aol.com 
  To: millenia2000 at hotmail.com ; CoolGuyHB at socal.rr.com ; supras at supras.com 
  Sent: Wednesday, May 16, 2007 4:05 PM
  Subject: Re: [Supras] Idle issue after installing lexus AFM.

  Remember it has to come form this RX-7.  This information was found on the Tech Center of our beloved www.supras.com writen by: Adam Hingten.

  "This injector was used in only one OEM application that I know of: the first half of the '87 model year of the Mazda RX-7 Turbo II. This makes this injector a little hard to find. After the first half of the '87 model year, Mazda moved to high impedance 550s for the Turbo II and high impedance 450cc for the NA RX-7." 

  Here is your link
  http://www.supras.com/06/techcenter/display.php?QID=21

  -----Original Message-----
  From: millenia2000 at hotmail.com
  To: CoolGuyHB at socal.rr.com; supras at supras.com; b2nice84 at aol.com
  Sent: Wed, 16 May 2007 3:46 PM
  Subject: Re: [Supras] Idle issue after installing lexus AFM.

  I might be able to source some rx-7 injectors for you as most of my friends drive them and a couple work on them. 

  ----- Original Message ----- 
  From: <b2nice84 at aol.com> 
  To: <CoolGuyHB at socal.rr.com>; <supras at supras.com> 
  Sent: Wednesday, May 16, 2007 5:31 PM 
  Subject: Re: [Supras] Idle issue after installing lexus AFM. 

  > Here you go buddy. 
  > 
  > http://cgi.ebay.com/ebaymotors/PTE-550CC-LUCAS-INJECTORS-TOYOTA-SUPRA-MKIII-TURBO-NEW_W0QQcmdZViewItemQQcategoryZ33554QQihZ008QQitemZ180115868955QQrdZ1QQsspagenameZWDVW 
  > 
  > The evel eBay price. 
  > 
  > Not too bad. or you can hunt down the RX-7 turbo 550cc injectors for > direct plug in with low impedence but good luck finding three RX-7 turbos > in the junk yard with these injectors. 
  > -----Original Message----- 
  > From: CoolGuyHB at socal.rr.com 
  > To: supras at supras.com 
  > Sent: Wed, 16 May 2007 2:05 PM 
  > Subject: Re: [Supras] Idle issue after installing lexus AFM. 
  > 
  > 
  > I didn't install 550s. I just hooked the AFM up. It allows me to boost 
  > higher as it eliminates the boost cut. Anyone know how much a set of 550s 
  > would cost me. Or would I even be able to use them with out a an AFC? 
  > 
  > Here are my mods: 
  > 
  > AEM Air filter 
  > Cooleez intake(replaced the accordian hose) 
  > BIC 3" DP 
  > Magnaflow highflow cat 
  > 3" wickedflow muffler 
  > Greddy B-Spec Profec-II Boost controller 
  > ACT 4puck clutch 
  > 
  > ...as far as the rest of the motor goes, its all stock 
  > 
  > should i try replacing the fuel filter? I don't think it has ever been 
  > replaced and it has a rough start in the mornings which is normally a sign 
  > of a clogged fuel filter. At least with my experience. 
  > 
  > - Harley(87t) 
  > ----- Original Message ----- > From: "Wade Tobin" <wwt3198 at yahoo.com> 
  > To: <supras at supras.com> 
  > Sent: Wednesday, May 16, 2007 2:35 AM 
  > Subject: Re: [Supras] Idle issue after installing lexus AFM. 
  > 
  > 
  >> What are your mods? Generally, 550s should be used in conjunction with 
  >> the Lexus. Or you could go the RRFPR or FPR route with a AFC using the 
  >> stock 440s. 440cc injectors are NOT recommended with the Lexus unless 
  >> alone. I run a Walbro, RC 550s, SAFC, Aeromotive 1:1 w/ the base set to 
  >> 43.5psi on my 7m MK2. With out the proper fuel upgrades, the Lexus AFM 
  >> will lean the A/F ratio out causing detonation and ultimately a blown 
  >> motor. 
  >> 
  >> Harley <CoolGuyHB at socal.rr.com> wrote: My buddy sold me a Lexus AFM and 
  >> ever since I installed it the car wants to die during idle. It never 
  >> actually dies during idle but it realy wants to. Sometimes while coming 
  >> off an off ramp it will die when I put in the clutch. After it warms up >> it 
  >> will streighten out but then it misses a little during idle. Is there 
  >> anything else I have to do after installing the Lexus AFM? 
  >> 
  >> - Harley(87t) 
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  >> 
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  >> 10:47 AM 
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  > 
  > 
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