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Discussion Starter #1
my 2000 zr 600 efi dosen't have the 2 plenum intake foams but my 2000 z440 has them. does anybody know why? or should it have them. this zr has blown up 2 times. could this be the cause. any info on these intake foam would help.
 

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You talking about the foam above the footrests

I have them on mine

Bet ya you are blowing the mag side eh I dunno

What blowing??? is it leaning out or ring snag?
 

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Discussion Starter #3
first time i was told ring snag. the last time a rod broke exploding everything.yes i im talking about the foam above the foot wells. should they be in there. they don't show them on the parts finders for this sled. first time was clutch side. Last time was flywheel side. I don't need a third time. Any helpful info?
 

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the foam is a filter to do just that filter the air. the air is still the same temp so it will not make you lean. you have a problem . are there any mods to the sled? is the sled getting oil? i had a 580 blew twice oil cable needed to be adjusted no oil until half throttle.
 

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Ring snag and rod breaking has nothing to do with that foam

ring snag on mag side is very common on the 600s

I am on my 3rd mag cylinder
 

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Discussion Starter #7
Why do some have them and some don't? I took the air box apart and without the foam it's a stright shot in to the t-bodys. It' not a good thing when a engine sucks snow.
 

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Years ago I closed off both sides with lexan. Used the four bolts already there to hold the plastic in place. Belt dust and brake dust and crap was the reason. This is on my 02 zr 8. Didhn't want this stuff in the airbox. I did open the front of the airbox using slp's vents. Never had a problem with this set up. Next time I'll probably just use slp filter fabric instead of closing completely. Find the real reason why you are having problems. Good luck
 
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