air pump/manifold tubes '84 w/305

[mckpaul]

Recently bought an '84 Chevy 1/2 ton PU with a 305. Brought it into Houston and have to get emissions system up to standard to pass inspection. Can work off the decal for the vacuum routing, but the air pump has been removed. The motor is newer, about an '87 or '88 and has tubes on the exhaust manifolds that have been cut and folded down to seal them. Don't know if the manifolds are the original ones from the '84 motor or if they came on the newer motor. If someone has an '84 with a 305 with all the original emission equipment still in tact, can you tell me if you have tubes on your exhaust manifold, and do they go back to the air pump? The vacuum schematic on the decal shows the air pump, but only the vacuum line going to it, not the air side of the pump. I have to put everything back like it was from the factory to pass inspection, and have to present a passing emissions report to transfer the title.