computer question

[burnitdown612]

I was wondering if the computer from my 87s 305 motor incompatible with a350 out of 89 fullsizeblazer. The motor instalation is compltete but the truck just will not run right. I double checked all theplug wires and even did a timing check on it and everyhitng is perfect. The distributer cap and rotor and plugs are all brand new. It runs good at ittle but once you give italittle rev it turns into a flame thrower. i have a feeling the 305 ecm does not allow ittopump enough gass to satisfy the engine. any help would be great - nick