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  #1  
Old 02-13-2005, 05:47 PM
oibrownskin oibrownskin is offline
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Default tick tock, no clock

car: 1973 Dodge Dart Swinger
engine: stock 318 with 2-barrel Carter

problem: I am hearing ticking, but not valve sounding, more like exhaust leak. It increases with High speed/rpms.

Question(s): How do I located the problem (sounds like driver's side bank)? If the manifold is cracked, what are my options? If it is a gasket, well that shouldnt be too hard. If it is the down pipe from the manifolds to the y-portion of the exhaust, well then what?

thank you ahead of time people.

caesar
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Old 02-14-2005, 01:11 PM
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rumblefish360 rumblefish360 is offline
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Hey caesar;

This is allways a pain. To help and try to locate the problem while the engine is cool, do a visual check of the manifold(s) area. Clean well with solvent and brush if need be. Start engine and run your hand around the area under suspision. (SP sorry)
If you can not feel or see anything, grab a water bottle with a spray trigger. Like an empty windex bottle, just add water, no windex inside. (ECK!)
Spray (steam) around the area to see if the water runs down or gets bubbled/blown away from the mating areas of the exhaust, or if idle goes up on the intake.

If you find a pipe cracked, a muffler shop can handle it easy.
If it's on your own, you can try to weld it or prep for surgery and cut out the bad length and graph in a replacement tube. A replacement Y pipe isn't ever cheap, but probably the best thing to do.
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Old 02-14-2005, 01:52 PM
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Could it be the heat riser? They can get noisy.
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Old 02-15-2005, 12:03 PM
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rumblefish360 rumblefish360 is offline
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Good thinking Dick. Never thought about that.
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Old 02-15-2005, 12:14 PM
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"Old School" thinking LOL!!!
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Old 02-15-2005, 12:21 PM
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rumblefish360 rumblefish360 is offline
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Ha ha ha, well, ya can't beat that now can you.
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Old 02-15-2005, 12:25 PM
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How many years has it been since heat risers were used? I'm guessing since FI and computer controls for fuel and ignition. Maybe the TB was the beginning of the end for the HR.
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Old 02-15-2005, 06:46 PM
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rumblefish360 rumblefish360 is offline
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True, very true. Seeing that I can't leave stock alone, and usally hotrod the rides to some extent, that part is lost.
On headers, I end up without it or custom bend tin to fit a tube.
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Old 02-15-2005, 06:54 PM
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Quote:
Originally Posted by rumblefish360
True, very true. Seeing that I can't leave stock alone, and usally hotrod the rides to some extent, that part is lost.
On headers, I end up without it or custom bend tin to fit a tube.
That little bimetal spring/counterweight/baffle thingy-do (technical terms) could make a bit of noise as it slowly rusted away. Most I ever fooled with were rusted tight or loosey goosey (another high tech term). Glad we don't use them anymore.
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