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Old Jul 25, 2012 | 01:00 PM
  #91 (permalink)  
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a7x6kse6
Joined: May 2011
Posts: 141
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From: New Hampshire
Default Re: 74mm Throttle Body, surging idle

Originally Posted by mdaniels4
so basically, you pull the maf and just pull out the baffle and screen and that's it, clean out and make the tube throat smooth?
Well sort of. You start by taking the MAF and elbow off the engine. The MAF has a plastic and metal screen. I put the MAF in a vise with the screens on the bottom. I took a socket extension, slid it in keeping it away from the actual sensor, and one hit with a hammer and both screens are out. Might not be the best way to do it if you want to be able to put them back in for some reason but it works. Next I put the elbow in the vise. Then using a dremel and cutting bit I cut the baffles as close to the sides as I could with out cutting the sides. Then I took a sanding bit and gently smoothed everything out. Then make sure that all the plastic shavings are out of elbow, I used an air compressor and then washed it in the sink to be extra sure. After that put everything back together, and enjoy a slightly louder and more powerful engine.
 
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