I just changed my distributor. I found my old one was cracked so i bought a good used one and put it in. From what i can see there really is no way of timing like on older engines where u could slightly moved to dist. Is the releran a way of timing the motor any help would be appreciated. my blazer starts right up but is missing bad. THanks Rob

 

It's hard to answer the question without any vehicle info at all.
Please add vehicle info either in your post or your signature so we have an idea as to year, model, engine etc..

 

I am sorry it is a 2000 s10 blazer 2dr 4x4 thanks

 

Hopefully you put the new distributor in exactly in the same position as the old one came out. There is no fine adjustment.
Did you have the plug wires off the cap? If you did then it's possibly that you have a couple in the wrong place, causing an engine missfire.