I've got a tbi 350 and I just replaced the stock 305 fuel pump with a stock tpi pump and now my car is flooding. The only things I can think of are maybe my fpr(stock 305) is out, or maybe theres some sensor screwed up. My temp gauge quit working and I replaced it with a mechanical one coming from the manifold...don't know if that will affect anything but I don't know much about this. I was thinking maybe my car is trying to warm up or somthing, but I have no clue.

 

I would think you would have to turn the pressure down on your reg now...I know the TPI pumps put out more pressure.....

 

Id check the fuel pressure first to rule it out. If it looks ok, then it could be an unplugged or faulty CTS. The other possibility is leaks at the pod or injectors.

If the pressure is too high, then it could be that you reversed the return and CC lines. You can check this by disconnecting blowing air through the metal return line next to the charcoal canister (by mouth using a vacuum hose will work). There should be some resistance. If air passes freely through the CC line, then theyre reversed.

If this is ok and the pressure is still too high, then your SOL unfortunatly. The only way around it is to run more pressure and adjust the BPC in the prom.

 

any updates?