woah. check this out
Oh boy ... 
So - let's say it's actually 90 or 100 degrees out, and the Actual IAT is say 110 degrees. Now, you decide to hammer it. The computer will fuel and adjust timing advance accordingly - for what it thinks to be 40 degree air - a lot denser, intake charge is cooler, so it believes.
In goes way more fuel than is really acceptable, plus the TIMING is FAR more advanced than is SAFE for the ACTUAL charge temps. Can you say Detonation? If yer lucky. Then do it again, and again, and ... eventally BAD things happen. The least of yer worries will be reduced power...
All the extensive maps have a temperature component FOR a REASON. To adjust the fuel / advance and other parameters based upon actual conditions.
Look: that sensor is a PRIMARY sensor - THE PRIMARY and ONLY source of actual conditions. Spoofing it cannot be directly detected by the PCM ( save for the conditions I posted earlier)...

So - let's say it's actually 90 or 100 degrees out, and the Actual IAT is say 110 degrees. Now, you decide to hammer it. The computer will fuel and adjust timing advance accordingly - for what it thinks to be 40 degree air - a lot denser, intake charge is cooler, so it believes.
In goes way more fuel than is really acceptable, plus the TIMING is FAR more advanced than is SAFE for the ACTUAL charge temps. Can you say Detonation? If yer lucky. Then do it again, and again, and ... eventally BAD things happen. The least of yer worries will be reduced power...
All the extensive maps have a temperature component FOR a REASON. To adjust the fuel / advance and other parameters based upon actual conditions.
Look: that sensor is a PRIMARY sensor - THE PRIMARY and ONLY source of actual conditions. Spoofing it cannot be directly detected by the PCM ( save for the conditions I posted earlier)...
wait i cant tell if your joking about your 1/4 mile or not... lol
you guys can say what you want and make fun if you want but you have never had one so how would you know? its like saying that turbo chargers cannot be put on the 4.2L and then you have a few people say they have one on theirs, so you make fun of them and tell them its not going to work. but have you tried it? NO. just gotta type what you THINK will happen. when some of us have actually had these things. when i got mine i was 17 and working at mcdonalds at $5.35/hr. think i could afford a cold air intake or a tuner? no but a little $10 resistor was in my price range so i got it and it worked. NO you wont get what they post with the 75hp and 100mpg. back when they were more realistic in their figures they just advertised 8hp and 10hp maybe 15 or 20 and a few mpg. they do work. they are only $20 so why dont you all buy one and see for yourself that they work? try it on your beater car or something. then all you people making fun and saying it wont work wont have anything to type. i think it would just be 5 pages of apologys or people saying "hey it worked!"
you guys can say what you want and make fun if you want but you have never had one so how would you know? its like saying that turbo chargers cannot be put on the 4.2L and then you have a few people say they have one on theirs, so you make fun of them and tell them its not going to work. but have you tried it? NO. just gotta type what you THINK will happen. when some of us have actually had these things. when i got mine i was 17 and working at mcdonalds at $5.35/hr. think i could afford a cold air intake or a tuner? no but a little $10 resistor was in my price range so i got it and it worked. NO you wont get what they post with the 75hp and 100mpg. back when they were more realistic in their figures they just advertised 8hp and 10hp maybe 15 or 20 and a few mpg. they do work. they are only $20 so why dont you all buy one and see for yourself that they work? try it on your beater car or something. then all you people making fun and saying it wont work wont have anything to type. i think it would just be 5 pages of apologys or people saying "hey it worked!"
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Jim
Jim
i love this site sometimes...most of you argue until you are blue in the teeth that something wont work and argue that it wont work to somebody that has done it and guess what? it worked.....but thats not good enough is it? i live in pennsylvania and we get temps from around -5 to 100 at the extremes and i had that resistor in thru a whole year, racing around, driving normal, racing friends cars, etc with no ill effect that can be traced back to the resistor. now i will just wait for all of you to tell me how it wont work....since you guys all know
to be honest, if i had a question about tuners or transmissions or just general knowledge questions, i would trust what most of you say. even if i didnt, i would wait until a bunch of you posted an answer and see what is the majority vote. but with stuff that ALL OF YOU personally have not tried but only say what you have heard. i admit i have done it on here to. but the info i post is from reliable sources of people i know have done what they say they have. if bluejay or anyone from PHP or troyer said they DID it and it didnt work, then im not gonna sit here and say they are lying. but when its say bluejay's friend jimbob who said he did it, i dont know if jimbob can tie his shoe without singing the bunny ear song or not....
lol bluejay i have had a lot of good advise from you... i am convinced you can tie your shoes
just my personal experience, i bought one, it worked fine for about a year and i traded in the car when i found my trans am. no bad effects that i can pin on the resistor, end of story.
lol bluejay i have had a lot of good advise from you... i am convinced you can tie your shoes

just my personal experience, i bought one, it worked fine for about a year and i traded in the car when i found my trans am. no bad effects that i can pin on the resistor, end of story.
Let me simplify it for you. Your F150 engine requires the output from the MAF sensor to correctly control your Air to Fuel ratio. The computer is programmed to safely deliver the correct amount of fuel for the air it has measured. By adding this resistor you are lying to the computer and removing that critical data. The consequences of this could be very serious. Just because you got lucky with your 89 Firebird does not mean you should recommend it as a valid modification. If it really was beneficial to your engine Ford would have changed the resistance of the MAF filament themselves or edited the computer air:fuel tables to get better performance and sell more vehicles.
Believe what you want. It is your truck and you pay for it. Burnt valves and cats are just two of the potential problems that can occur by using this device. There are many people here with much more experience and knowledge than you and you should learn from them.
Believe what you want. It is your truck and you pay for it. Burnt valves and cats are just two of the potential problems that can occur by using this device. There are many people here with much more experience and knowledge than you and you should learn from them.
So you had no ill effects. Show us evidence of the mileage gains and the dyno runs showing the power increase. Some of us have a good working knowledge of the programming parameters that go into the PCM. There's no doubt some of the factory programming is conservative, that a device like that could fool the PCM into doing something it is otherwise programmed to do. However, its nothing a good tuner can't change in a base tune. Buying a product that alters the reading of one of the critical components in fuel and spark management is just stupid, IMO. Enough said. Your money, your choice.
Ah! I can't believe I missed this gem yesterday!
I'd love to see this kid "test" the resistor, except there will be zero empirical data since he doesn't have enough money to put his truck on a dyno.
If that doesn't give you cause not to use this product, then you totally deserve to try it out yourself.
- NCSU
I'd love to see this kid "test" the resistor, except there will be zero empirical data since he doesn't have enough money to put his truck on a dyno.
Originally Posted by eBay Listing
After extensive research we have found that most every vehicle is running a rich mixture straight out of the factory.
...
Our goal was to find a way to create more power and give better gas mileage simultaneously. When your vehicle is running on a rich mixture you are wasting fuel. A common example is when you see a person accelerating quickly and you see black smoke coming from the back of the vehicle This is completely NORMAL. The black smoke is unburnt fuel coming out of the exhaust liquid and gas form. This unburnt fuel should stay in your gas tank! Why would you waste money wasting unburnt fuel? When your air to fuel ratio is at stoichometric levels the vehicle is tuned for optimal performance along with improved fuel economy. The Redline Performance chips will tune your vehicle to run at stoichometric levels at all times!
...
Our goal was to find a way to create more power and give better gas mileage simultaneously. When your vehicle is running on a rich mixture you are wasting fuel. A common example is when you see a person accelerating quickly and you see black smoke coming from the back of the vehicle This is completely NORMAL. The black smoke is unburnt fuel coming out of the exhaust liquid and gas form. This unburnt fuel should stay in your gas tank! Why would you waste money wasting unburnt fuel? When your air to fuel ratio is at stoichometric levels the vehicle is tuned for optimal performance along with improved fuel economy. The Redline Performance chips will tune your vehicle to run at stoichometric levels at all times!
- NCSU
Let me simplify it for you. Your F150 engine requires the output from the MAF sensor to correctly control your Air to Fuel ratio. The computer is programmed to safely deliver the correct amount of fuel for the air it has measured. By adding this resistor you are lying to the computer and removing that critical data. The consequences of this could be very serious. Just because you got lucky with your 89 Firebird does not mean you should recommend it as a valid modification. If it really was beneficial to your engine Ford would have changed the resistance of the MAF filament themselves or edited the computer air:fuel tables to get better performance and sell more vehicles.
Believe what you want. It is your truck and you pay for it. Burnt valves and cats are just two of the potential problems that can occur by using this device. There are many people here with much more experience and knowledge than you and you should learn from them.
Believe what you want. It is your truck and you pay for it. Burnt valves and cats are just two of the potential problems that can occur by using this device. There are many people here with much more experience and knowledge than you and you should learn from them.
Brilliant.
Why do some people resort to childish name calling when they can't come up with an intelligent response?
Nobody is hating anyone. We are just trying to help a young kid avoid damaging his truck with a hack mod that will also void his engine warranty. Do you have proof of your results to show us all?
Why do some people resort to childish name calling when they can't come up with an intelligent response?Nobody is hating anyone. We are just trying to help a young kid avoid damaging his truck with a hack mod that will also void his engine warranty. Do you have proof of your results to show us all?
Last edited by Norm; Feb 12, 2010 at 12:29 PM.





