Use the GM diagnosis & repair manual, available for purchase online. It will take you through each step. However without more specifics no one can help you much.
355
4.030
It doesn't have a carburetor.
drive slower
355
Bore it .030 over. A 350 has a 4 inch bore. When you go .030 over, the cid., becomes 355.
a 357 Chevy is a just a smallblock 350 Chevy bored .040 over for a total CID of 357, just as one bored .030 is a 355 Chevy. a standard rebuilt 350 is generally bored out during the rebuild process to usually 355, sometimes 357. right now i have a 357 Chevy in my 1970 chevelle
355 is a non stroked just bored 4.030 over 383 on the other hand put a 3.75 stroker crank and bored honed so i would pick 383 . 355 is bored not stroked clearence for stroker crankbest engine would say is 383
355.
The so-called 355 was simply a 'bored out' 350, so it could be made any year that 350's were available.
Need to know what kind of problem you are having.
Its a 355 cubic inch