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656 Exhaust

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Eric NW Iowa

03-19-2004 11:02:03

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I am taking my recently aquired 656 gas to a local farmer who runs a machine shop and knows red machines rather well (he pulls w/ a 1066 - owns 10 or 15 more). I need to replace the exhaust stack as it has rusted from the manifod (he said he has a tap for the threads). He and I both like a little throat in the sound of the exhaust -- thinking of going with a 3" chrome straight-pipe. Any pros/cons?

Also, since this tractor has not seen regular field use for 5-8 years, what checks should I have him do? Compression? Hydralic pressures/flows? T/A?

Some of you may remember that I got this fella with my acreage in the fall - so I need to find out what I really have here.

Thanks guys
Eric

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Nebraska Cowman

03-19-2004 15:24:11

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Re: 656 Exhaust in reply to Eric NW Iowa, 03-19-2004 11:02:03

you don't want to run a 656 all day with a straight pipe.... Unless you are alreay deaf? Hunhhh?

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Colorado Curt

03-19-2004 14:38:26

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Re: 656 Exhaust in reply to Eric NW Iowa, 03-19-2004 11:02:03

I took the muffler off my 560D to pull it into my garage to paint. There was no difference in the sound. When I looked at the muffler, it was rusted straight through. I replaced the muffler, but loved the sound of the straight pipe. Where are you from in NW Iowa? I bought my 560D from a guy in Granville.

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Randy in NE

03-19-2004 11:18:45

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Re: 656 Exhaust in reply to Eric NW Iowa, 03-19-2004 11:02:03

The straight pipe shouldn't be a problem. Makes them sound good. Everything you said plus I would replace all of the fluids. Engine, hydraulics, rearend, radiator. He can tell a lot about it by looking at the condition of all of these fluids. Be prepared to start replacing gaskets and seals once everything is filled back up. My C had set for years and once I changed all of the fluids I had leaks all over the place. Nothing major, just a lot of drips. It would also be a good time to check the front wheel bearings and re-pack them. If he is a decent mechanic he will do all of this plus some more. For the price of a valve cover and pan gasket he can check both the top and bottom ends. With the pan off he can do a quick check of the rod and main bearings and do a visual check of the cylinder bores.

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dhermesc

03-19-2004 13:40:00

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Re: Re: 656 Exhaust in reply to Randy in NE, 03-19-2004 11:18:45

The one thing that might help is adding stop leak (Eagle?) to the oil and hydraulics (trans mission stop leak) when you switch them out - might save some the marginal gaskets. I've had decent luck preventing leaks with those products - never stopped one once it actually started leaking though.

Straight pipe is loud - make sure it's tall enough to "blow" the noise over you.

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