Would running pig rich cause this?

[blackbuick87]

Finally installed my hot wire kit today, I think it made things worse. B4 installing the kit I had 47 psi FP line off, 40psi on (a little high I know) I dont have a gauge at this moment so I cant tell you what my reading is now.

Anyways, I have leaded 110 in the tank now, and when I step on the gas I get popping and missing at 6psi if I tromp on it, or about 16-17psi if I roll into the throttle. Now keep in mind my car has brand new:
coil pack
plug wires
plugs
LT1 MAF and Translator

Today I finally thought to look at my O2's when this is happening and I am in the 850's and higher it looks like (kinda hard to read SM and drive) and I saw a 907 once and a 924 I think

Would high FP cause this to happen.
Tomorrow I hope to have a fuel pressure gauge.
Thanks

 

[blackbuick87]

ttt

 

[peterkin]

yep. it would to an extent.

 

[Turbojorge]

How much boost are you running? Were those 900's in the top of 3rd @WOT? If so, you are prolly flodding the motor.

Drop the fuel pressure to 44 and check your O2's. I would suggest getting a new O2 sensor if you've been running lots of leaded race gas.

Yes, If it IS too rich, it may pop.

HTH

 

[PsychoBuickBoy]

Mine will pop pretty good and stumble and have a fit when it is real rich. I was having trouble getting my alky set right because when I sprayed the fuel mixture richened up so much. I am now trying 50/50 alky/H20 to lean things out.

 

[blackbuick87]

Thanks for the input. The thing is since I put in the LT1 MAF I have great throttle response and no stumble. Total boost is set around 20 lbs but I cant get there anymore because it pops too early. This is really getting annoying and I am running out of things to replace.

Tomorrow my adjustable FPR is arriving from Ramchargers and I will be turning it down.