Gassy smell? help me!!!

eeh1025 · 04-07-2003, 12:27 PM

Hey, i have an 86 mustang GT, the only mod that i have done to it are Long tube headders, off road H pipe flows, and for the engine i have bought the BBK cold air intake , and new msd blaster coil and i have eliminated the smog pump and A/C but it smell gassy before i removed that. The problem im having is that when i run the car it has strong gas burning smell, like fummy smell the only thing i can think of is the spark plugs and wires they have been on the car a long time probably for years. the car was my grandmothers that why i wanted it the motor looked brand new in the car. If you guys could help me out that would be great. thannks alot.
Ernie

Technick · 04-08-2003, 12:10 AM

On a car that old you may have a fuel injector leaking fuel either past a "O" ring or thru the injector body itself. Take a close look at ALL of the injectors to make sure that is not the problem.

eeh1025 · 04-08-2003, 09:36 AM

Hey there thanks alot, it has a fummy smell out of the exauhst do you think a good tune up will stop some of it. thanks alot

GodStang · 04-08-2003, 09:41 AM

Stop eating tacos!!!

Philossifer · 04-08-2003, 01:07 PM

Whenever you remove smog items, it's going to get smelly; especially at idle and even more so with a high lift and/or long duration cam!

The fact that it was smelly before you removed the smog items was probably due to the fact that they weren’t working properly to begin with!

I too removed the smog pump and cats on my ’89 (when it was less than a year old.) The first thing I noticed was the smell! I thought I had an exhaust leak somewhere. After replacing the header gaskets, collector gaskets, new mufflers and tail-pipes…. The smell is still there!

It’s the price you gotta’ pay for breaking the law!
Phil

eeh1025 · 04-08-2003, 02:57 PM

Hey now that you say that it wasnt that smelly before i removed the cats, and put on the new exhaust, thanks for the info.
Ernie

lx5091 · 04-08-2003, 08:16 PM

I just have to give respect to your Mustang GT driving Granny!

eeh1025 · 04-09-2003, 11:04 AM

hey there, i know what you mean She bought the car new in 86 and i just bought it off of her and it only had 22,000 miles on it, i just had to put new trans fluid in it and it runs like brand new.

04-07-2003, 12:27 PM	#1
eeh1025 Registered Member Join Date: Feb 2003 Location: NJ Posts: 81	Gassy smell? help me!!! Hey, i have an 86 mustang GT, the only mod that i have done to it are Long tube headders, off road H pipe flows, and for the engine i have bought the BBK cold air intake , and new msd blaster coil and i have eliminated the smog pump and A/C but it smell gassy before i removed that. The problem im having is that when i run the car it has strong gas burning smell, like fummy smell the only thing i can think of is the spark plugs and wires they have been on the car a long time probably for years. the car was my grandmothers that why i wanted it the motor looked brand new in the car. If you guys could help me out that would be great. thannks alot. Ernie __________________ 93 GT 351 to 393 stroker, GT40 upper and lower intake, GT40X Turbo Swirl heads, holley 80mm throttle body, 255 fuel pump, 42 lb injector, JE pistons, Comp cam, comp lifters, comp pushrods, comp springs, crane Roller rockers. Trick flow Crank Shaft, comp Timing chain. MSD 7 series ignition, msd hvc2 coil, MSD timing adjust, MSD Pro billet Dis, Hooker long tube, Off road H pipe 1 chanber race flows, 4.10 gears, Vortech cooler and T-Trim with a 25lb boost AND LOTS MORE.

04-08-2003, 12:10 AM	#2
Technick Registered Member Join Date: Feb 2003 Location: Seattle, Wa. Posts: 175	On a car that old you may have a fuel injector leaking fuel either past a "O" ring or thru the injector body itself. Take a close look at ALL of the injectors to make sure that is not the problem. __________________ No matter how much you spend, or how much you prepare, there is ALWAYS someone else faster or quicker than YOU!!!!!!!!!!

04-08-2003, 09:36 AM	#3
eeh1025 Registered Member Join Date: Feb 2003 Location: NJ Posts: 81	Hey there thanks alot, it has a fummy smell out of the exauhst do you think a good tune up will stop some of it. thanks alot __________________ 93 GT 351 to 393 stroker, GT40 upper and lower intake, GT40X Turbo Swirl heads, holley 80mm throttle body, 255 fuel pump, 42 lb injector, JE pistons, Comp cam, comp lifters, comp pushrods, comp springs, crane Roller rockers. Trick flow Crank Shaft, comp Timing chain. MSD 7 series ignition, msd hvc2 coil, MSD timing adjust, MSD Pro billet Dis, Hooker long tube, Off road H pipe 1 chanber race flows, 4.10 gears, Vortech cooler and T-Trim with a 25lb boost AND LOTS MORE.

04-08-2003, 09:41 AM	#4
GodStang College Stanger Join Date: May 1999 Location: Aiken,south carolina, usa Posts: 1,097	Stop eating tacos!!! __________________ 2003 Sonic Blue Cobra

04-08-2003, 02:57 PM	#6
eeh1025 Registered Member Join Date: Feb 2003 Location: NJ Posts: 81	Hey now that you say that it wasnt that smelly before i removed the cats, and put on the new exhaust, thanks for the info. Ernie __________________ 93 GT 351 to 393 stroker, GT40 upper and lower intake, GT40X Turbo Swirl heads, holley 80mm throttle body, 255 fuel pump, 42 lb injector, JE pistons, Comp cam, comp lifters, comp pushrods, comp springs, crane Roller rockers. Trick flow Crank Shaft, comp Timing chain. MSD 7 series ignition, msd hvc2 coil, MSD timing adjust, MSD Pro billet Dis, Hooker long tube, Off road H pipe 1 chanber race flows, 4.10 gears, Vortech cooler and T-Trim with a 25lb boost AND LOTS MORE.

04-08-2003, 01:07 PM	#5
Philossifer Registered Member Join Date: Apr 2003 Posts: 69	Whenever you remove smog items, it's going to get smelly; especially at idle and even more so with a high lift and/or long duration cam! The fact that it was smelly before you removed the smog items was probably due to the fact that they weren’t working properly to begin with! I too removed the smog pump and cats on my ’89 (when it was less than a year old.) The first thing I noticed was the smell! I thought I had an exhaust leak somewhere. After replacing the header gaskets, collector gaskets, new mufflers and tail-pipes…. The smell is still there! It’s the price you gotta’ pay for breaking the law! Phil

04-08-2003, 08:16 PM	#7
lx5091 Registered Member Join Date: Nov 2001 Location: Fall River, MA Posts: 467	I just have to give respect to your Mustang GT driving Granny! __________________ '02 Explorer XLT 4.0L --Nice Vehicle '97 Saturn SL1--Soon to be ditched for a Ford!

04-09-2003, 11:04 AM	#8
eeh1025 Registered Member Join Date: Feb 2003 Location: NJ Posts: 81	hey there, i know what you mean She bought the car new in 86 and i just bought it off of her and it only had 22,000 miles on it, i just had to put new trans fluid in it and it runs like brand new. __________________ 93 GT 351 to 393 stroker, GT40 upper and lower intake, GT40X Turbo Swirl heads, holley 80mm throttle body, 255 fuel pump, 42 lb injector, JE pistons, Comp cam, comp lifters, comp pushrods, comp springs, crane Roller rockers. Trick flow Crank Shaft, comp Timing chain. MSD 7 series ignition, msd hvc2 coil, MSD timing adjust, MSD Pro billet Dis, Hooker long tube, Off road H pipe 1 chanber race flows, 4.10 gears, Vortech cooler and T-Trim with a 25lb boost AND LOTS MORE.

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