Originally Posted by henry0844

no worries, it's a valid question. I put nothing but 91 octane in my car. it was the same station I always go to. I changed stations after I thought I got bad gas. are the g3s supposed to be able to be moved around in the engine bay? I can move mine like they r just laying in the front bumper for support, if they are moving under load like jordo suggested would that cause the problem I'm having? I had Stillen install my intakes so if there is a problem with the install I'll take it back to them to have things done right.