Hey I was wondering if anyone could help me out. I recently had a motor swap, now the car will not run for poo. The car has a comp 224/236 w114 lsa, AFR 190 heads, P1sc(3.4" pulley), 42.5 bosch /lucas injectors, PCM for less just did the tune and car the car just dumps fuel at idle with the mass air plugged in, but if I unplug it the car seems to run well. Good idle and all. Plug it in no idle, surging like WHOA. There are no vacuum leaks that I can find.
Any help is welcome Thank you.

 

did you try another maf? is it the stock maf or an aftermarket?

 

It is the stock MAF and i did try another one. I still can't figure this thing out

 

Dave

You may want to try and post the same question on the Force Induction board. I am curious to know whether or not relocating your MAF to the pressure side will help.