9 to 13 LBS. It can't be any lower are higher. Are you will have starting and running problems.
CHEVY guit using carburetors back in 1987. You truck is fuel injected / TBI. Throttle body injection.
Are the door interchangeable on an 1987 chevy truck and an chevy blazer 1988
Chevy went to fuel injection in late 1987 and the carburator was NO LONGER USED.
The 87 will bolt in to the 77 however, the 87 is throttle body fuel injected. You will have to convert the 77 over to except throttle body fuel injection perhaps with parts from a donor truck.
There is no MAF on a 1987 Chevy 2.5L engine.
The 83 engine will not work. You need a TBI / throttle body injection engine from 1987 to 1995. then everything will bolt right up and work just fine.
Late 1987.
Throttle body fuel injection.
=No it will not have a spark!==No it will not have a spark!=
1987
Yes, But it won't look right. 1988 is when chevy redesigned the body / changed it.
Late 1987 to 1995 were all TBI / throttle body injection