should be a 9/16 bolt on a retainer looks like a Y on the distributor and its bolted to the intake remove the bolt and retainer take the distributor cap off leave the wires on unless you mark the cap and corresponding wire
the block & heads are the same you just have to pull the 305 out & put the 350 back in
It is screewed into the top of the engine block right behind the distributor. It is HARD to get to and see.
18436572
It's inside the distributor cap.
275
87-95
Click the link and then choose the model.
Yes they sure are.
305(5.0) or 350(5.7) most likely a 350
firing order 82 GM blazer
Yes if the 89 had the same size motor as the 95 the 95 motor will bolt right in. The Chevy 350 did not change from 88 to 95. In 96 it went to the vortec 350 its a little different.
According to Champion spark plug applications chart, the correct gap for 1995 Chevy Tahoe 350 engine is .035