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finding exhaust leak

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finding exhaust leak #1
bim9bill Bill Debevc Las Vegas, NV, USA Sign in to contact 1967 Austin-Healey Sprite 2012 Mini Cooper	Topic Creator (OP) Oct 19, 2014 10:09 PM Joined 12 years ago 817 Posts

After driving my car today for a few hours or so, an exhaust became very noticeable. It coming from the engine bay, as I can smell it while driving. There are only two spots that I know of for the leak, the connection of the manifold to the head and the connection to the pipe from the manifold. Unless there is a hole somewhere.

I have read a few ways to find an exhaust leak.
1. Seafoam spray in the carbs looking for white smoke.
2. Using a hose to and try find hear for a hiss.

I am wondering what ways you use to find an exhaust leak.

Bill.

Bill Debevc

http://CloudsCarsCameras.com
Photo Gallery: http://cloudscarscameras.com/car-photos/

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Re: finding exhaust leak #2
66jalopy Phillip Jolliffe Lake City, FL, USA Sign in to contact 1956 Morris Minor	Oct 19, 2014 10:58 PM Joined 11 years ago 6,727 Posts

Crank it up in the dark and look for the fire coming out when you rev it up. That also makes you really want to fix it. While your there see if there are any sparks flying around your plug cables and coil, just a maintenance tool.

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Re: finding exhaust leak #3
mimssandi Roger & Sandra Hobart Mims, Fla, USA Sign in to contact	Oct 20, 2014 09:29 AM Joined 11 years ago 666 Posts

I run my hand near the pipes and gaskets. Sometimes you can feel the exhaust coming out. A spray bottle on mist setting will also detect air movements where your hand will not fit.

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Re: finding exhaust leak #4
PeterC Peter Caldwell Madison Wisconsin, USA Sign in to contact 1931 Morris Minor Saloon "Cammy OHC" 1960 Land Rover Series II 1962 MG Midget MkI 1963 Volkswagen Karmann Ghia & more	Oct 20, 2014 10:03 AM Top Contributor Joined 18 years ago 6,506 Posts

Stuff a banana up the tail pipe, or.... have a lovely assistant cover the tail pipe so that 100% of the exhaust tries to exit from the leaky spot.

Peter C

World Wide Auto Parts of Madison www.worldwideimportautoparts.com

Supplying New Old Stock parts for all imports. A LARGE quantity being loaded to our EBAY store stores.ebay.com/worldwideimportautoparts Rebuilding lever shock absorbers for British cars. (608) 223-9400 M-F 9-5 Central or parts@nosimport.com

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Re: finding exhaust leak #5
littlecars David Bassett Nashville, TN, USA Sign in to contact 1963 Chevrolet Corvair "Cheeto!" 1965 Chevrolet Corvair "Ski Team Transport SOLD!" 1965 MG Midget MkII "Buffoon --- SOLD!!!" 1966 MG Midget MkII "Swiss Cheese...SCRAPPED" & more	Oct 20, 2014 12:21 PM Top Contributor Joined 12 years ago 8,388 Posts

I've wrapped aluminum foil tightly around the area between manifold and front pipe and pipe to muffler near the rear axle. In both cases, the foil quieted the car while testing...and...best of all...trapped the offending sooty exhaust leak. Unwrap the foil and let the black soot confirm your prognosis. It told me that it was time to lean out my carbs too!

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Re: finding exhaust leak #6
CaptRandy Randy Alkins Randy Alkins Warrington, PA, USA Sign in to contact 1961 Austin-Healey 3000 BT7 "MoonLight" 1966 Austin-Healey Sprite	Oct 20, 2014 01:46 PM Joined 11 years ago 523 Posts

Peter's is the easiest way to find.

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