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Pampered-Z · 08-16-2010, 12:15 PM

Haven't followed this entire issue,

What headers are you running? If you have the #1 cyclinder as a slip fit joint ( Jethot, Macs for sure ) they can leak. You need to pull the tube out, use a good bead of O2 safe sealer and then slip the tubes together.

Also make sure yu didn't crack the EGR tube or it's not loose at the intake?

Remove the hoses from the AIR Check valves/fittings and run the car, if the check valve is bad and exhaust is pushing past the valve that will also sound like an header leak.

If you do switch to Felpro gaskets a strongly recommend you spray them with copper coat before installing. The Felpro gaskets do not have much material on the ends and it's fairly commong for them to blow out at te ends.

08-16-2010, 12:15 PM	#26
Pampered-Z Sliderule / Moderator Join Date: Oct 2004 Location: Catawissa PA Posts: 2,294 iTrader: (1)	Haven't followed this entire issue, What headers are you running? If you have the #1 cyclinder as a slip fit joint ( Jethot, Macs for sure ) they can leak. You need to pull the tube out, use a good bead of O2 safe sealer and then slip the tubes together. Also make sure yu didn't crack the EGR tube or it's not loose at the intake? Remove the hoses from the AIR Check valves/fittings and run the car, if the check valve is bad and exhaust is pushing past the valve that will also sound like an header leak. If you do switch to Felpro gaskets a strongly recommend you spray them with copper coat before installing. The Felpro gaskets do not have much material on the ends and it's fairly commong for them to blow out at te ends. __________________ 93Z M6 Black: The 385 Lives! Supercharged, 3-core front mount intercooler, GTP heads, 3:73's, Street twin clutch, Jethot Longtubes, Mufflex 4" catback/spintech, S+W cage, Spohn Suspenion, Yada Yada Yada 1) Build it 2) Race it 3) Break it 4) Repeat!!!