XJ XJ8 / XJR ( X308 ) 1997 - 2003

In need of some wiring hand holding for nwe ProM 92mm MAF

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  #21  
Old 04-25-2013, 12:47 PM
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890 ohms is probably spot on, there is a lot of heat going into the intercoolers, but I would have thought you would measure it outside of the intercooler, as otherwise how do you know the temp inside?

Be very careful removing the thermistor from the original maf, it breaks easily.
 
  #22  
Old 04-25-2013, 01:06 PM
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I have ordered a new additional original MAF IAT sensor and am leaving the stock MAF alone so I can easily and quickly replace my stock intake system quickly and without issue whenever I need to smog my car.

I was thinking if I use and original sensor designed for the MAF location, it will work. Since it was only $75, I thought it would be best to not need to remove the #2 IAT sensor to test it, so I tested it in place.

I am pretty busy with work, so I can only work on my car a few minutes here and there and don't want to risk messing it up because I am driving it daily right now.

I expect to be able to successfully install the new 92mm MAF when the new sensor arrives. I already have the new plug wired onto the old one and a forum member sent me the stock connector ( thank you ) so I'll just put this IAT sensor next to the air filter and I'm off and running

Then I'll go get a dyno and try to get it out to the 1/4 mile track to see what improvements I've made with my limited mods. I did a stock 13.8, so I am hoping to have improved at least to 13.3 or better, but we will see...
 
  #23  
Old 05-23-2013, 06:05 PM
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Update, since this is relevant again.

I wired in the new IAT sensor to the 92mm MAF and everything works normally now.

Car ran a 13.23 @ 105.34
 
  #24  
Old 03-05-2015, 10:05 AM
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Default Pro M 92 mm MAF sensor upgrade.

What was the long term conclusion of this mod,? Did it continue to work without check engine light? Any adverse effect on fuel ecconomy?. Sounds like one of the best mods to make, just not much about it recently.

Look forward to your input
 
  #25  
Old 03-05-2015, 12:39 PM
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Originally Posted by WaterDragon
I just ordered the original MAF IAT sensor from Gaudin in Nevada for $75
The R&D time wasn't worth trying to save $50

I'll post again when it arrives and is installed
My touch point is that I charge (on paper) the same as a garage does (mine charges $85 an hour for the kitty...) per hour to hack something. When the time to expend crosses the cost of the OEM part...I just buy the OEM part and be done with it.

Time is worth something; you either pay for it in green dollars or time wasted.

Others may have a different opinion; mine comes from being an on-site consultant.
 
  #26  
Old 03-05-2015, 01:36 PM
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Originally Posted by bdboyle
My touch point is that I charge (on paper) the same as a garage does (mine charges $85 an hour for the kitty...) per hour to hack something. When the time to expend crosses the cost of the OEM part...I just buy the OEM part and be done with it.

Time is worth something; you either pay for it in green dollars or time wasted.

Others may have a different opinion; mine comes from being an on-site consultant.
Thank you for your response. I was looking at the Pro M 92 mm purely from a performance increase viewpoint. I did read about adding an original IAT, which is fine if the performance improvement is there and reliable. I just want to know if long term this mod was still considered a worthwhile project.
 
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