install on bbk h pipe

dadslx · September 5th, 2007, 10:29 PM

tonight i installed my bbk o/r h pipe everything was going great until i started the car and relized i had a big exhaust leak on the passenger side where the h pipe meets the header. due to fords wonderful donut design the pipes always leave a void for air to rush out of. i pulled the header off in hopes on correcting the problem, but i ran out of daylight. is there a metal filler piece or some type of gasket i can use to resolve this issue? i dont have transmission hangers for the exhaust they have been removed so that made things a touch easier but still have a nasty leak. i would love to hear some opions on this..thanks in advance!!

Iownastang · September 5th, 2007, 10:31 PM

is it leakin at the header collecter,do you have any copper gaskets installed

dadslx · September 5th, 2007, 10:48 PM

yes its leaking where the header and the h pipe connect ( collector ) the bbk doesnt provide gaskets and when i called ford to buy some they said they never installed gaskets on the mustangs at the the collector.

Iownastang · September 5th, 2007, 10:56 PM

I have always used collector gaskets,whether i need them or not.

dadslx · September 5th, 2007, 11:05 PM

do you know of any that work with the facotry style 2 bolt donut collector?

dadslx · September 5th, 2007, 11:18 PM

autozone carries felpro gasket # 60924 im picking up some tomorrow..lol..thanks for the help

Iownastang · September 5th, 2007, 11:40 PM

hope it fixes it for ya man.

nolife · September 5th, 2007, 11:51 PM

This may seen dumb but could the other side be too tight and not allowing the leaking side to make good contact? Try loosing up the non leaking side and then tightening both sides a little at a time.

Iownastang · September 5th, 2007, 11:55 PM

thats actually a really good idea

nolife · September 6th, 2007, 12:28 AM

Its easier to get the h pipe lined up if you have the rest of the exhaust already bolted up where it should be. A small misalignment of the h pipe throws the whole thing off and you could end up with a tail pipe hitting the axle or rubbing on the tire. I haven't done that on my Mustang but I have on one of my cars with a single exhaust. I ended up having to loosen the two ball connectors, lining the entire exhaust up where it should be and then tightening everything back up together. Hopefully his problem is that simple and not a malformed H pipe.

408gt91 · September 6th, 2007, 02:09 AM

i have the same set up on my car.you do not need gaskets.you need a big prybar.they never line up right. i had long tubes and shorty pipe on my 331 and did the same thing,i cut the hangers then i pryed the h pipe apart a little to get it to line up.i also just did the same thing to my 351 bbk set up. there 2 bolt ball flanges that do not need gaskets,the ball on the header goes inside the cup on the h pipe.

dadslx · September 6th, 2007, 09:54 PM

today after numerous attempts at solving the issue. i purchased ultra copper sealant which helped on the collector flange. The rear flange that connects to the muffler seems to be about 1/2 and inch too short. im going to remove the rear section tomorow and try again

408gt91 · September 7th, 2007, 04:40 PM

sometimes you can bend the hangers an it will shift it enough,just make sure your tailpipes are even.

September 5th, 2007, 10:29 PM	#1
dadslx Regular Join Date: Aug 2007 Posts: 75	install on bbk h pipe tonight i installed my bbk o/r h pipe everything was going great until i started the car and relized i had a big exhaust leak on the passenger side where the h pipe meets the header. due to fords wonderful donut design the pipes always leave a void for air to rush out of. i pulled the header off in hopes on correcting the problem, but i ran out of daylight. is there a metal filler piece or some type of gasket i can use to resolve this issue? i dont have transmission hangers for the exhaust they have been removed so that made things a touch easier but still have a nasty leak. i would love to hear some opions on this..thanks in advance!!

September 5th, 2007, 11:51 PM	#8
nolife Hardcore Enthusiast Join Date: Dec 2006 Posts: 1,160	This may seen dumb but could the other side be too tight and not allowing the leaking side to make good contact? Try loosing up the non leaking side and then tightening both sides a little at a time. __________________ 1991 GT - Original owner, all stock 1988 GT - The project car

September 6th, 2007, 12:28 AM	#10
nolife Hardcore Enthusiast Join Date: Dec 2006 Posts: 1,160	Its easier to get the h pipe lined up if you have the rest of the exhaust already bolted up where it should be. A small misalignment of the h pipe throws the whole thing off and you could end up with a tail pipe hitting the axle or rubbing on the tire. I haven't done that on my Mustang but I have on one of my cars with a single exhaust. I ended up having to loosen the two ball connectors, lining the entire exhaust up where it should be and then tightening everything back up together. Hopefully his problem is that simple and not a malformed H pipe. __________________ 1991 GT - Original owner, all stock 1988 GT - The project car

September 7th, 2007, 04:40 PM	#13
408gt91 Regular Join Date: Aug 2007 Location: ya mudda's house Posts: 143	sometimes you can bend the hangers an it will shift it enough,just make sure your tailpipes are even. __________________ 408stroker/tf track heats/scat crank/h beams/srs fordged/351sportsman block/trick flow rrkrs/msd dist/edelbrock victor5.8intake/aeromotive fuel system/accufab 80mmtb/pro-m80mm,maf etc.

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September 5th, 2007, 10:48 PM	#3
dadslx Regular Join Date: Aug 2007 Posts: 75	yes its leaking where the header and the h pipe connect ( collector ) the bbk doesnt provide gaskets and when i called ford to buy some they said they never installed gaskets on the mustangs at the the collector.

September 5th, 2007, 11:05 PM	#5
dadslx Regular Join Date: Aug 2007 Posts: 75	do you know of any that work with the facotry style 2 bolt donut collector?

September 5th, 2007, 11:18 PM	#6
dadslx Regular Join Date: Aug 2007 Posts: 75	autozone carries felpro gasket # 60924 im picking up some tomorrow..lol..thanks for the help

September 6th, 2007, 02:09 AM	#11
408gt91 Regular Join Date: Aug 2007 Location: ya mudda's house Posts: 143	i have the same set up on my car.you do not need gaskets.you need a big prybar.they never line up right. i had long tubes and shorty pipe on my 331 and did the same thing,i cut the hangers then i pryed the h pipe apart a little to get it to line up.i also just did the same thing to my 351 bbk set up. there 2 bolt ball flanges that do not need gaskets,the ball on the header goes inside the cup on the h pipe.

September 6th, 2007, 09:54 PM	#12
dadslx Regular Join Date: Aug 2007 Posts: 75	today after numerous attempts at solving the issue. i purchased ultra copper sealant which helped on the collector flange. The rear flange that connects to the muffler seems to be about 1/2 and inch too short. im going to remove the rear section tomorow and try again

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