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Exhaust problem

Posted by sjboyer

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Exhaust problem #1
sjboyer Scott Boyer Illinois, USA 1977 MG MGB	Posted: May 09, 2012 07:33PM Registered: 4 years ago Posts: 417

I would like to use a band adapter for the collector to the pipe elbow but the coated collector is slightly bigger that the expanded end of the elbow. With some help, I have gotten through the engine, trans, drive shaft, alternator, distributor, etc. but I admit I am a bit intimidated by the exhaust challenge.

Maybe because I am getting so close to firing up this puppy.

Any help greatly appreciated.

Scott

1977 B Roadster
Ford 306 roller, T5Z trans Limey's fuse box and relays, Clark and Clark hood struts, Wade Keene's swivel axles, Custom leather interior w/speaker pods, Poly bushings front & rear, Wasper's seat belt holder, Hap's VTO 15x6 wheels

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Re: Exhaust problem #2
Bob in Vancouver Bob Elwin Vancouver BC, Canada 1968 MG MGC 1969 MG MGC GT	Posted: May 09, 2012 09:17PM Registered: 5 years ago Posts: 188

Scott, Most muffler shops have a tube expander - just take both items down there and have the elbow expanded just slightly for a tight sliding fit. Good luck, Bob

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Re: Exhaust problem #3
gow589 G W Evansville, Indiana, USA	Posted: May 09, 2012 10:02PM Registered: 9 years ago Posts: 6,993

The first time I had to take mine apart I changed them to a 3-bolt connection. When I made new headers there was no question I wanted the same:

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Re: Exhaust problem #4
sjboyer Scott Boyer Illinois, USA 1977 MG MGB	Posted: May 09, 2012 10:07PM Registered: 4 years ago Posts: 417

In reply to # 2063411 by Bob in Vancouver Scott, Most muffler shops have a tube expander - just take both items down there and have the elbow expanded just slightly for a tight sliding fit. Good luck, Bob

Great Idea Bob. Thanks.

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Re: Exhaust problem #5
sjboyer Scott Boyer Illinois, USA 1977 MG MGB	Posted: May 09, 2012 10:12PM Registered: 4 years ago Posts: 417

In reply to # 2063448 by gow589 The first time I had to take mine apart I changed them to a 3-bolt connection. When I made new headers there was no question I wanted the same:

G W how did you connect them the first time and what was the problem with it?

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Re: Exhaust problem #6
gow589 G W Evansville, Indiana, USA	Posted: May 09, 2012 10:14PM Registered: 9 years ago Posts: 6,993

The first time I put them on I had a slip fit. After running the car I had to beat them off with a deadblow hammer.

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Re: Exhaust problem #7
kerbau53 Geoff Morton Naples, Florida, USA 1978 MG MGB V8 Conversion "The Wreck"	Posted: May 10, 2012 05:35AM Registered: 2 years ago Posts: 1,072

I used V-band clamps

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Re: Exhaust problem #8
turbostar john austin ruidoso,nm, USA	Posted: May 10, 2012 01:10PM Registered: 6 years ago Posts: 221

Scott,in the photo it sure looks like the brake line is very close to your header. How close is it and are you concerned at all about heat being transmitted to the brake fluid?

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Re: Exhaust problem #9
sjboyer Scott Boyer Illinois, USA 1977 MG MGB	Posted: May 10, 2012 01:41PM Registered: 4 years ago Posts: 417

In reply to # 2063951 by turbostar Scott,in the photo it sure looks like the brake line is very close to your header. How close is it and are you concerned at all about heat being transmitted to the brake fluid?

It's about a 1/4" behind the collector and 1/2" to the right. I have put an insulating sleeve over the tubing where it's the closest.

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Re: Exhaust problem #10
djdavies David D Ca, USA 1973 MG MGB	Posted: May 10, 2012 11:20PM Registered: 3 years ago Posts: 559

In reply to # 2063976 by sjboyer

It's about a 1/4" behind the collector and 1/2" to the right. I have put an insulating sleeve over the tubing where it's the closest.

Hmm, I'd be more considered that MY HEADER IS IN MY FREAKING WHEEL WELL!!!! smiling bouncing smiley

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Re: Exhaust problem #11
kerbau53 Geoff Morton Naples, Florida, USA 1978 MG MGB V8 Conversion "The Wreck"	Posted: May 11, 2012 12:04AM Registered: 2 years ago Posts: 1,072

Quote: MY HEADER IS IN MY FREAKING WHEEL WELL!!!!smiling bouncing smiley

I suppose we could have run them out the top of the fender. Like a semi.

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Re: Exhaust problem #12
turbostar john austin ruidoso,nm, USA	Posted: May 11, 2012 09:53AM Registered: 6 years ago Posts: 221

I hope it does not become a problem for you,but if my brake line was 1/4 in away from my header,I would be concerned.

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Re: Exhaust problem #13
sjboyer Scott Boyer Illinois, USA 1977 MG MGB	Posted: May 11, 2012 11:14PM Registered: 4 years ago Posts: 417

OK I give. How have others handle the the front brake lines when using the exhaust into the wheel well?

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