My '93 LT1 has knocking sound that is coming from both of the fuel lines that route up the passenger side of the engine. I can hear it faintly inside the car (passenger side). I pinpointed the knocking in the fuel lines using my stethoscope. It's a rhythmic sound that is present at idle in...
When driving my '93 with auto trans around town in Drive (overdrive 4th) it is running at about 1,000 rpms. The car is more responsive driving in 3rd gear, rpms are elevated. Engine/Transmission wise, any problem driving in 3rd?
On the highway, overdrive is great.
Thanks
Mitch
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