I have a stock 1999 Zr2 Blazer and and it has 33x12.50s on it. (but it rubs)
The S-10 Blazer was modified for the model year 2000. The brush guard for the 1997 will not fit on the 2000 without major alterations either to the brush guard or the vehicle.
An alternator from a 2000 Chevy blazer will fit a 2002 S10 blazer with a little fabrication.
Yes, this is the biggest possible size. 31" will rub at the frame slightly when full steering.
Yes, a 2000 GMC Jimmy hood is compatible to a 2000 Chevy Blazer. This is only on the S10 Blazer though.
Yes. I own a 2000 Chevy Blazer.
How do you set the timing on a 2000 Chevy blazer (V6)
they say 55 is the rated speed
It will as long as the 2000 had a 4.3L in it too.
The 2000 Blazer with the 4.3 engine has one coil.
Yes
Yes
Without a diagnosis, your guess is as good as ours. As is, we don't even know what it's doing (or not doing).