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Dark_5.0 · 10-23-2001, 05:56 PM

I have always had an annoying exhaust leak on my car and I always just thought that it was were the header hooks to the X-pipe.

There is a hole in the back of my passenger side head {a bolt hole} and that is where the air has been shooting out of (alot of air) I assume this is an old smog pump fitting I wouldnt know cause the pump was off when I bought the car. There is a hole in the in the other head to but it is plugged. As soon as I get a chance i am going to go and buy a plug and plug up the passenger side hole.

with that hole just shooting air out when the car is running does that mean that cylinder #4 had no compresion cause all of the air was shooting out of the hole or what.

Sorry for the length.

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88 mustang gt convertible bored to 306 BBk equal length headers, mac cold air fender kit, 3.73 FMS gears, Steeds Tri-ax shifter, Steeda underdrive pullies, Custom off road X-pipe, 2 chamber flow masters, cowl hood, nitto drag radials, ford racing clutch, 160* thermostat 16 degrees of timing electric fan off 94' t-bird jacobs electronics cap and wires. Edelbrock 1 1/2 inch drop springs. (Best E.T. 14.79@93mph @3000ft)

10-23-2001, 05:56 PM	#1
Dark_5.0 Registered Member Join Date: Apr 2001 Location: Staging lane Posts: 4,337	was this making me lose power????? I have always had an annoying exhaust leak on my car and I always just thought that it was were the header hooks to the X-pipe. There is a hole in the back of my passenger side head {a bolt hole} and that is where the air has been shooting out of (alot of air) I assume this is an old smog pump fitting I wouldnt know cause the pump was off when I bought the car. There is a hole in the in the other head to but it is plugged. As soon as I get a chance i am going to go and buy a plug and plug up the passenger side hole. with that hole just shooting air out when the car is running does that mean that cylinder #4 had no compresion cause all of the air was shooting out of the hole or what. Sorry for the length. ------------------ 88 mustang gt convertible bored to 306 BBk equal length headers, mac cold air fender kit, 3.73 FMS gears, Steeds Tri-ax shifter, Steeda underdrive pullies, Custom off road X-pipe, 2 chamber flow masters, cowl hood, nitto drag radials, ford racing clutch, 160* thermostat 16 degrees of timing electric fan off 94' t-bird jacobs electronics cap and wires. Edelbrock 1 1/2 inch drop springs. (Best E.T. 14.79@93mph @3000ft)