K&N air filter?
#1
K&N air filter?
Hey rotor heads, I need so expert advice. I plan on going to the track this weekend for another run at the strip. My best time a month ago was a 13.9 at 100 mph(and thats with a shitty launch and react time). Since then I have learned how to launch better. Any ways, my car is completely stock with only down pipe. My question is, if I add a K&N filter to the stock air box, would I be running the chance of runnin lean? I figure I should be safe with the stock cat back but I need a 2nd or 3rd opinion.
My boost pattern is 10-7-10 and I have 15" vaccum at idle with 70k miles. Thanks in advance
My boost pattern is 10-7-10 and I have 15" vaccum at idle with 70k miles. Thanks in advance
#2
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You'll be fine. The K&N filter in a completely stock air box does little anyway. Get a cat-back exhaust to open her up a bit more.
You can easily run several mods on the stock ecu as long as you restrict the boost to 10 psi.
You can easily run several mods on the stock ecu as long as you restrict the boost to 10 psi.
#3
Thx for the info. A cat back is in the near future but, its for my 20b that I have sitting in my garage. I just wanted to add the K&N in the mean time to boost the performance (safetly) before I start my 20b swap. I have a K&N in my 91 vert that I think is the same size as the one in the Fd.
#6
Ex fd *****
While your in there chainging the filter do the Airbox mod also, check the Photo Gallery for pics of my mod.
https://www.rx7club.com/photo/showga...r=2939&cat=500
https://www.rx7club.com/photo/showga...r=2939&cat=500
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#9
Originally posted by twinturborx7pete
yeah, wtf? concerned about a K&N filter blowing your motor up, but you plan on doing a 20B swap?
yeah, wtf? concerned about a K&N filter blowing your motor up, but you plan on doing a 20B swap?
Well the thing is, I've accually already done the stock air box mod. I used aluminum tin as a duct that feeds air along side the radiator (just like the M2 box does). I was worried if that mod and my down pipe along with the K&N would maybe be too much. Thats why I asked! My engine runs really strong.
My 20b project is a few months away (still buying things). Therefore any extra cheap and safe hp I can get out of my current engine will be a plus as I waite to start my project. Also I will be saving the 13b for a possible future swap into my 84 Rx7 while using most of the stock Fd components. Thats why I'm concerned about blowing the engine.
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