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has anyone dynoed the different intake types?



99prixgt said:
think of it this way...

Your fwi sucking in air only from the fender, through bends in piping with slightly colder temps, blower heats up air anyway.

OR

You run right off the throttle body, completely non-restrictive, no bends or anything, air getting pulled in is warm, blower heats up air anyway.
Click to expand...

Thanks man, I think I'm gunna go this route then and sell my FWI.
 
minichopper6hp said:
Air density changes with temperature, thus the need for an IAT.
Click to expand...

Thats what i thought is it had some kind of reason for being there. So wouldnt being just ziptied out in the open give it improper readings? I would think it would need to be somehow incorporated into the actual airflow of the intake like normal to get proper readings allowing the engine to run optimally? Correct?
 
speedemongtp said:
Thats what i thought is it had some kind of reason for being there. So wouldnt being just ziptied out in the open give it improper readings? I would think it would need to be somehow incorporated into the actual airflow of the intake like normal to get proper readings allowing the engine to run optimally? Correct?
Click to expand...


It really wouldnt matter because the air temp would be the same whether its in the intake or outside of it. Your still sucking in the air inside the engine compartment. :th_scratchhead:
 
speedemongtp said:
Why do this Bio? Did you not monitor intake temps at all? an doesnt the iat send some kind of signal to affect the tune depending on temps or is it just strictly reading the temps just to read them?
Click to expand...

no, it affects the timing tables. it doesnt really do all that much once you tune the car to run whatever timing you want though.

i had it zip tied right next to the cone filter, so it was probably getting damn near what the actual intake air was at.
 


Ah ok. i dont yet understand how all the sensors an stuff work. i can replace them an fix broken things and now build a 3800 but as far as tuning and exactly what all the sensors do and affect and what all their #s mean i have not yet learned. Hoping to in the future though.
 
I had mine zip tied for A LONG time...plus the fact when it is colder IMO it helps it being outside anyways. Maybe that is just me.
 
here is where mine was:

Picture074.jpg


you can see it on the left hand side where the filter meets the throttle body.
 


I was going to add it to the base of the filter with a short piece of pipe but I guess it doesnt matter since the air inside the cone at that location will be same as air outside...

I got me a cone today and will slap that sucker on tomorrow....

thanks for the ZZP chart....that was exactly what I needed to see
 
Ok. I am not home so I can't install the iac sensor so its just dangling for now but I am now getting a service engine soon light. Is that the iac or do I need to reset the computer? Or will it go off after it learns the new intake?
 
check engine light went off so its ok...but I am going relocate the iac into the airstream today so its at least halfass doing its job
 


haha..yes it was unplugged at one point. all is fine now. it is inserted in the 4 inch pipe I have before the cone. thanks
 
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