i just did a 97gsr into an 97 ek everything went well and not throwing any codes but on idle it is bogging down and almost stalling when i rev up floor the gas it hesatates befor realizing whats going on and when i release the gas it almost stalls again. when driving i have to rev it to 2k before i can start releaseing the clutch because otherwise i bogg down i have a 4puk in the car.
any help is greatly appreciated.

 

Did you replace the timing belt? Even if you haven't, still check the timing.