99prmustang said:hey6 all i jsut got done installing my new mac h-pipe on my gt.
it sounds like there is a leak on the passenger side header to pipe connection but i see not smoke or feel no air. could this just be the sound of the pipe breaking itslef in? do they even do that? thanks
99prmustang said:once again those of you on stangnet have failed me again. is it so hard to answer a simple question? i used to be a thirdgen firebird owner, and the people on thirdgen.org where amazing on that message board, always had a helpful answer to all questions, i am on my second stang now, the 5.0 guys where always very helpful when i had my 89 gt. but i have been dissapointed more than once on the 4.6L board here on stangnet. thanks alot
BennettDMB said:Did you put the gasket that's on the passenger side back on?
2002BLGT said:yes it did , thin metal one , with raised packing material that fit in a groove on the factory manifold / hpipe connection. should have fell out when you took down the old one or its stuck to the hpipe or manifold .
if the mac came with a metal type gasket sometimes they will leak when cold very very very slightly but seal up once they get hot , if it was a thick paper type it should seal good but will blow out under alot of pressure . change the studs and take the factory gasket to a parts store and match up if yours is blown out already since you probably didnt get it tight enough because of the factory studs , might have to do some trimming to get one to fit good , just make sure it seals all around and bolt holes line up , get a metal one , it will last longer and hold more pressure from blowing out
Spraying soapy water from a spray bottle works too. you'll see bubblesroad rage said:Start your car up and go to where you think the leak is. Take a piece of paper (notebook paper works best). Hold it close to all points around where the header and pipe meet, if there is a leak you will see the paper move where the leak is. Hope this helps good luck.
2002BLGT said:that will do it LOL
99prmustang said:i have had it one for two days of so now, and it continues to pour out white smoke, i no its cold and cars do this in the winter, but it just seems like there is alot of excess white smoke....is this normal, did i damage my O2 sensors? help!!!!
2002BLGT said:have you fixed your leak yet ??? smoke is probably just the added condensation in the pipe from sitting overnight . its alot more noticeable with offroad pipes
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