ITB's and foam filters?

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falcor
Posts: 185
Joined: Mon Aug 27, 2012 9:44 am
Location: Sweden

ITB's and foam filters?

Post by falcor » Tue Jul 04, 2017 1:41 am

I was at a local car show last week with my ITB'd 914. One guy was very interested in my engine modifications so I popped off the drivers side RamAir foam filter to show him the ITB setup a little better. Then I noticed the "roof" of the filter being slightly zinged, can a backfire cause this? It's happned once or twice but I didnt think much of it when it did. I'll post up some later when I get some garage time.

User avatar
falcor
Posts: 185
Joined: Mon Aug 27, 2012 9:44 am
Location: Sweden

Re: ITB's and foam filters?

Post by falcor » Fri Jul 07, 2017 2:49 am

Image

Image

This is how it looked, its only on cylinder 1 and 2, nothing on 3 and 4. Images are clickable to increase the size.

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