This is topic Will a powerpipe mess up my tune? in forum Tech Talk at Northern California Ford Owners  .


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Posted by white1990stang (Member # 2307) on :
 
i had my car tuned about a month ago and i just bought a powerpipe that i think im going to put on. will i need a re tune?
 
Posted by mtbaughs (Member # 4052) on :
 
At the very least I would re-dyno the car to check the air/fuel ratio prior to going into boost. Any time boost is added it will have an affect on the air fuel ratio. Sometimes an adjustment is needed while other times the tune can allow for the extra 2-3 psi of boost.
 
Posted by Fostang (Member # 3752) on :
 
Gotta upgrade the fuel rails man if you haven't already. [Smile]
 
Posted by BlackNGold (Member # 655) on :
 
You're going to get more boost with a power pipe...I'd get any other mods that you're planning and install them all at once and then re-tune...
 
Posted by Jeff S (Member # 371) on :
 
If your MAF is working and not pegged then your AF ratio should not change with added boost or any other modification that causes your engine to draw in more air through the MAF.

However, adding a powerpipe/relocating the MAF may throw off your MAF transfer function(and your AF) so it would be a good idea to check your car with a wideband.

You may also have more timing in your current tune that you would want with the added boost.
 
Posted by white1990stang (Member # 2307) on :
 
thanx for the info everyone. im gonna wait until i upgrade my rails and lines before i put it on. anyone have any suggestions on what to order. i've never had to do lines before.
 
Posted by sikleen (Member # 3973) on :
 
did you get the afm powerpipe...how much wuz it shipped... i bout to get one
 




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