You should check autozone.com. Click on Repair info, then Vehicle Repair Guide , then you can select your vehicle type, "driveability & emission controls", then vacuum diagrams. There are some 8 cylinder ones listed.
vacuum diagram for 1978 cordoba
need vacuum diagrams(engine)for 1978 cadillac deville
Center of the dash.
yes
.The 1978 Pontiac Trans Am engine oil dipstick can be found on the right hand side of the engine. The engine oil dipstick will have a yellow handle.
Inside the rear of the alternator
About 310-325ft/lbs if its a stock 400.
For 78......disc front.....drum rear.
Most of them topped out between 110-120 MPH.
What about it?, if it's 20 lbs. it's OK.
The 1978 Pontiac Firebird Trans Am engine oil capacity is five quarts. The 305, 350, and the 454 cubic inch motors all had the same motor oil capacity.