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this is a quote from a guy on NAXJA

CrappyXJ: "Guys, I've got an '01 XJ with a 4.0L. I installed a K+N aftermarket air filter for a while and still wasn't getting the performance I needed to tackle the steep hills of my choice! So I wanted to get more performance intake flow. It was recommended to port and polish the intake and exhaust on my 4.0L. My friend and I found out they used abrasive material to do it like gritty sand. So I got with my friend that tunes Hondas and we decided to try it ourselves. We got a bag of sandblasting sand took out the K+N Filter and hooked up into the intake snorkel and started the Jeep. We had to hold the gas so it would run. He wanted to let the engine suck in the sand through the intake so it would port it out and then push it out the ehxaust so it would port the exhaust manifold.

I was worried that it might cause problems but he figured it'd be OK as long as we held the accellerator pedal all the way to the floor and kept the sand moving smoothly. After running the Jeep and letting it suck in sand we got about half way through a 25 lb bag. The check engine light was on and the engine was bucking and kicking and sounding really weird. We stopped and hooked the Jeep back up normal and took off the sand supply. We tried to start it again and it was really hard. Once started it couldn't idle and kept making weird noises. We took it out and drove it and it started to make scraping and knocking noises.

Help! Can anyone tell me what to do!

My buddy only does Hondas so he doesn't know much about Jeeps. I towed my jeep back to the dealership, and told him the situation and can you believe the guy said that i voided the warranty on my jeep! WTF!
When I bought this last year, I got the extended warrenty.
I need to talk to an attorney and maybe go after Jeep or the dealer for this!

My friend, the certified Honda mechanic recommended that i leave it with his brother who he says is an ASE certified Jeep mechanic.

ANY ADVICE! HELP! PLEASE!"


http://www.naxja.org/forum/showthread.php?p=378831&posted=1#post378831
 

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if this dude is for real, then someone needs to be shot..certified should nnot be i ncluded in this post.. stupid honda's
 

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Mas Tequila
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:rofl: 1funny1 :rofl: Darwin award of 2005 right there.
 

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You mean that WONT work???? Guess I got ta take back the bag of sand!!!!!
 

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LOL.....dang if it was that easy to port and polish....i think every guy in the world would do it....heck should have told him to used pea gravel to really polish the insides lol!!!!!!!! what a idiot.
 
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