The brand doesn't matter. You can look up tune up specifications at auto parts websites such as Advanceautoparts.com or autozone.com.
For a 1987 Chevy 305 (5.0L) engine, the recommended spark plugs are typically AC Delco R44LTS, although you can also use equivalent plugs like NGK TR55 or Autolite 605. It's important to check the gap specification, which is usually around 0.035 inches for this engine. Always refer to your vehicle's manual for the most accurate information regarding spark plug selection and specifications.
No. The bore size is different between a 305 and 350. The 350 bore size is larger.
I have an 84 305 and everything says 45, and uses r45ts plugs
That depends on what type of heads are on each, and the year it was built.
They are located on each side, front and rear.
It depends on what heads and ignition system you're using. You'll have better luck with AC plugs in a Chevy.
350 =5.7 305 = 5.0
You need to be more specific on your question, add a little detail to it.
from under car would be best
Will a Chevy blazer engine fit in a Chevy s10 pickup
1-8-4-3-6-5-7-2
Does it turn over? Does it have spark? Does it have fuel? Does it have compression?