nitrous backfire

jetmech · October 18th, 2006, 07:12 PM

Hi all,
I just installed a Nitrousworks adj kit on my 93LX. I've been increasing the hp level a little at a time with no problems until now. I'm up to the 150hp jets and now when I get off the throttle it will backfire pretty good. Under load its fine. The plugs look good although I havnt done a proper check by clicking it off at the end of a run. I have a WOT switch as well as an RPM switch. This is my first time playing with this stuff so I figured I'd start asking questions before I have a rod thru the hood. I'm really just looking for general info on how to tune this system and where to start. Thanks

1slo5.0 · October 18th, 2006, 07:57 PM

That is a common problem with wet kits on EFI cars. The EFI intake is designed to flow air and not fuel. Alot of people destroy throttle bodies with those wet kits that have the plate between the throttle body and intake. My suggestion would be to get a dry kit or an NOS plate kit that goes between the upper and lower intake.

October 18th, 2006, 07:12 PM	#1
jetmech Look Ma! My First Post! Join Date: Oct 2006 Posts: 1 iTrader: 0 reviews	nitrous backfire Hi all, I just installed a Nitrousworks adj kit on my 93LX. I've been increasing the hp level a little at a time with no problems until now. I'm up to the 150hp jets and now when I get off the throttle it will backfire pretty good. Under load its fine. The plugs look good although I havnt done a proper check by clicking it off at the end of a run. I have a WOT switch as well as an RPM switch. This is my first time playing with this stuff so I figured I'd start asking questions before I have a rod thru the hood. I'm really just looking for general info on how to tune this system and where to start. Thanks

October 18th, 2006, 07:57 PM	#2
1slo5.0 MM Ninjas! 1990 Mustang LX 9.36@143 mph Join Date: Jan 2006 Location: North Fond du Lac, Wisconsin Posts: 11,375 iTrader: 1 reviews	That is a common problem with wet kits on EFI cars. The EFI intake is designed to flow air and not fuel. Alot of people destroy throttle bodies with those wet kits that have the plate between the throttle body and intake. My suggestion would be to get a dry kit or an NOS plate kit that goes between the upper and lower intake. __________________ My daily driver has 16 cylinders and 4400hp @ 1000 rpm.... ***1988 Mustang GT - Stock....almost

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