EGR = Exhaust Gas Recirculation, a setup to reduce NOx emissions on some OEM engines - means if yer 307 had an EGR setup, you got the wrong manifold?

Bill


Moved over to the Passing Lane

"When we tug a single thing in nature we find it attached to the rest of the world" John Muir
"When we tug a single thing on an old truck, we find it falls off" me
Some TF series details & TF heater pics & Rust-a-holics Unanimous parking lot