Page updated on 04-19-2018

Klze Swap

06-29-2008, 06:27 PM
Ok so I did the KLZE swap on my 94 probe GT. Everything worked great but I am having problems with my fuel. The car is dumping to much fuel into the motor causing it to flood. I have a fuel pressure regulator on there but even turned down its still being drowned. I have a large fuel pump rated up to 400 hp but the car is only running at about 240. Do you think this would cause the problem? I am stuck and I dont know where to go from here, could someone please help?

07-07-2008, 06:23 PM
When I put the Walbro pump in my car it flooded and fouled plugs horribly. The stock FPR is too small to flow enough return fuel to keep the pressure down where it belongs. I put on a Cosmo FPR and set the pressure to the service manual specs. Same problem, car was still fouling plugs and running super rich. I ended up having to set the pressure down almost 10psi below the stock specs with my walbro pump before it would run smooth and finally got my A/F back in line.

Add your comment to this topic!