Getting a crankcase breather, what kind do I need, push-in or twist-in? Also, where can I put this? I was thinking either take the oil filler neck out and put it there or put it in the other hole on the passenger side valve cover. Another quick question, on the passenger side valve cover, in the back a hose runs out of the valve cover and connects to the throttle body. What is this hose? Is it ok to remove it and use its spot to put the breather in?

 

You might want to try a "search" on the "breather". The question gets asked fairly often. The hose from the TB to the valve cover is the air supply line for the closed PCV system. It supplies air to the valve cover that has been filtered, and measured by the MAF (94 and up). If you remove it, you have to cap the port on the TB. You are also "opening up" the closed PCV system, and forcing the PCM to use the long term fuel corrections to correct for the inflow of "unmeasured" air.

 

so does that mean your computer is going to make you get better or worse gas milage????

 

It shouldn't affect fuel mileage at all.

The PCM does whatever it needs to do to maintain the 14.7:1 stoichiometric A/F ratio that gives the best combination of low emissions and good fuel mileage. When you let air "in the back door", reducing the amount of air measured by the MAF, the PCM adds too little fuel. When it sees the results, looking at the O2 sensors, is modifies the long term fuel corrections to get the A/F ratio back where it belongs. Hence, no affect on mileage.

 

RK sport $60 or you can make your own. Cut the top section off the oil filler neck and intall a K&N filter about a 1 1/2" opening mini filter

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