Quick question for you smart guys

89FoxbodyGT · August 22nd, 2011, 11:21 PM

I have an 89 fox, and it has a 150 shot on it, but I just took off the stock air box and replaced it with a cold air intake that I did myself with some piping and a spectre filter. (it has the C&L inlet with 76mm maf) Anyway, when I started it up after I installed it, it idled really weird, but it stopped after a few minutes, but I can smell some fuel.

So my question is, if my car has been tuned for the 150 shot, would my cold air intake mess with my Air/Fuel ratio?

I'm not sure if it was tuned for the nitrous, all I know is that it was dyno'd by the guy before me. Would the new intake matter?

50Droptop · August 23rd, 2011, 08:09 AM

The higher air flow could be screwing with your C&L meter.

Those meters are not the greatest meters.

50Droptop · August 23rd, 2011, 08:13 AM

And one other thing. If the air filter is an oiled filter it may have coated the meter sensor with oil. Try cleaning the sensor with sensor safe spray cleaner

1SICK5.0VERT · August 27th, 2011, 02:56 AM

Have you driven the car much or let it run for a while after doing the switch? The computer needs time to learn the new tables and will compensate for the small change in a/f.

August 22nd, 2011, 11:21 PM	#1
89FoxbodyGT Newbie 1989 Mustang GT N/A Join Date: Jun 2011 Location: Floyds Knobs, Indiana Posts: 4 iTrader: 0 reviews	Quick question for you smart guys I have an 89 fox, and it has a 150 shot on it, but I just took off the stock air box and replaced it with a cold air intake that I did myself with some piping and a spectre filter. (it has the C&L inlet with 76mm maf) Anyway, when I started it up after I installed it, it idled really weird, but it stopped after a few minutes, but I can smell some fuel. So my question is, if my car has been tuned for the 150 shot, would my cold air intake mess with my Air/Fuel ratio? I'm not sure if it was tuned for the nitrous, all I know is that it was dyno'd by the guy before me. Would the new intake matter?

August 23rd, 2011, 08:09 AM	#2
50Droptop Regular 87 Mustang Lx 13.76@100 Join Date: Aug 2011 Location: Indiana Posts: 124 iTrader: 0 reviews	The higher air flow could be screwing with your C&L meter. Those meters are not the greatest meters. __________________ Shawn 87 Coupe The Notch

August 23rd, 2011, 08:13 AM	#3
50Droptop Regular 87 Mustang Lx 13.76@100 Join Date: Aug 2011 Location: Indiana Posts: 124 iTrader: 0 reviews	And one other thing. If the air filter is an oiled filter it may have coated the meter sensor with oil. Try cleaning the sensor with sensor safe spray cleaner __________________ Shawn 87 Coupe The Notch

August 27th, 2011, 02:56 AM	#4
1SICK5.0VERT Regular modded 95 gt vert Join Date: May 2011 Location: cleveland ohio Posts: 176 iTrader: 0 reviews	Have you driven the car much or let it run for a while after doing the switch? The computer needs time to learn the new tables and will compensate for the small change in a/f. __________________ BLACK ON BLACK 95 GT VERT FULLY CONVERTED TO A 95 COBRA AND MODIFIED WITH ALOT OF GOODIES AND A BB SINGLE T67 TURBO KIT. 526.14RWHP 496.00RWTQ @6PSI. RAN OUT OF FUEL @5500RPM PROJECT CAR AKA MONEY-PIT LOL!... TUNED BY GEORGE @ AKRON HP.

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