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Old 09-18-2005, 11:50 AM   #1
Dragon GTR
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AFM's Shot

OK since nobody answered my previous question I have narrowed my problem to the AFM's. All I want to know now is does anybody Know where I can get 2 new AFM's from either a 300 ZX or a GTR that will work on a 91 GTR?
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Old 10-15-2005, 10:33 AM   #2
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Re: AFM's Shot

If you want the stock standard, Nissan has them for around 400 dollars a piece. Mine's has reconditioned Z31's that will work as an upgrade to your stocks for about the same. I can usually find them second hand for around 350 a pair. The ones I have in my car came this way and I have used them for about two years.

From what I understand, these are about 5 yr replacement parts.....esp if you plan to do any circuit.....

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Originally Posted by Dragon GTR
OK since nobody answered my previous question I have narrowed my problem to the AFM's. All I want to know now is does anybody Know where I can get 2 new AFM's from either a 300 ZX or a GTR that will work on a 91 GTR?
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Old 10-15-2005, 10:45 AM   #3
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Re: AFM's Shot

I got some if you need them.
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Old 10-17-2005, 02:35 PM   #4
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Re: AFM's Shot

Quote:
Originally Posted by Dragon GTR
OK since nobody answered my previous question I have narrowed my problem to the AFM's. All I want to know now is does anybody Know where I can get 2 new AFM's from either a 300 ZX or a GTR that will work on a 91 GTR?
Before you toss them in the bin, most AFM failures are due to dry solder joints between the plug and the circuitboard. Just remove the flat plastic cover with a utility knife & screwdriver, & resolder the terminals. Reseal with silicone and give them a try.

If you want to get fancy, you can unsolder the metal cover from the circuitboard and remove the whole circuit board and sensor assembly for easy cleaning with contact cleaner. But be careful not to damage anything. Resolder the cover when you are done.

I did all of this with my GTS-t AFM when it failed about 2 years ago and it hasn't missed a beat since.
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Old 10-17-2005, 03:15 PM   #5
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Re: AFM's Shot

Good info, thanks.
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R32 GTR w/351w .020 forged, 8.9:1, PTK T76, Turbosmart 40 BC & 45 WG, Tial 40 BV, AFR 205s 310/245, 228/228 550/550 114 Hydro, 1.7rr, Isky RLs, 4" HKS exhaust, ARC 30x16x4 IC, 8 point cage, C2 gauges, 2 step, C4 3200 stall w/ R Manual & Hurst Ratchet shifter, 17" Panasport G7s, CSU 750 & bonnet, Vic Jr intake, 3.63 gears, Corbeau Carrera seats, Custom wide body, Bomex side skirts and rear 1/4 caps, Tommy Kaira bumper.
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Old 12-03-2005, 10:06 AM   #6
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Re: Re: AFM's Shot

Quote:
Originally Posted by Doughnutdemon
Before you toss them in the bin, most AFM failures are due to dry solder joints between the plug and the circuitboard. Just remove the flat plastic cover with a utility knife & screwdriver, & resolder the terminals. Reseal with silicone and give them a try.

If you want to get fancy, you can unsolder the metal cover from the circuitboard and remove the whole circuit board and sensor assembly for easy cleaning with contact cleaner. But be careful not to damage anything. Resolder the cover when you are done.

I did all of this with my GTS-t AFM when it failed about 2 years ago and it hasn't missed a beat since.

I took your advice well sort of. I swapped the guts from a MAF from my old GTS-4 into the GTR one and it worked like a charm. Too bad I didn't think of that before I spent $350 on a new one from Nissan. But I guess it could have been worse and I spent $700 insted. Thanks for the help I really appreciate it.
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Old 12-03-2005, 10:20 AM   #7
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Re: AFM's Shot

Glad to help!
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