Quote Originally Posted by turbocharged406sbc View Post
if your refering to a 99+ rails assembly with the pulsation dampner no thats not the disk, the fuel pressure regulator has a vacum line running to it from the vac tee at the LIM under the snout, remove the vac line and smell it if it smells like gas the diaphram in the FPR is leaking, this is the same issue that causes alot the the NA 3800 engine fires since it's possile for the engine to backfire and set the fuel in the LIM on fire...

I'll make sure to look at that before i start her up again.

Jason