wildturkey Aug 26, 2019 I have a FR500 intake and I looking for some information about it. I've built a 4v Modular and have this intake and the butterfly valves chatter like a rattlesnake while 1000 to 3500 RPM. Is this common or are the shafts worn out.
I have a FR500 intake and I looking for some information about it. I've built a 4v Modular and have this intake and the butterfly valves chatter like a rattlesnake while 1000 to 3500 RPM. Is this common or are the shafts worn out.
Darkc0bra Sep 20, 2010 Hey I need your shipping address so I can get these out tomorrow. Post it on the Thread.