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post #1 of 11 (permalink) Old 10-04-2008, 09:45 PM Thread Starter
 
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exhaust header problems

I'm having a problem on my 2006 660 I keep breaking the header pipe. its cracking on one side about 3"back from were it mounts to the motor. I have had it welded twice but I'm just curious if anyone else has had this problem.
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post #2 of 11 (permalink) Old 10-04-2008, 09:47 PM
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Originally Posted by dontherhinoman View Post
I'm having a problem on my 2006 660 I keep breaking the header pipe. its cracking on one side about 3"back from were it mounts to the motor. I have had it welded twice but I'm just curious if anyone else has had this problem.
aftermarket or stock??

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post #3 of 11 (permalink) Old 10-04-2008, 09:52 PM
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I have never seen a stocker break.....I have seen multipul aftermarket pipes break. I dont think yopu will get a weld to hold...better off buying a new header. When you put it on make sure the exhaust is in a relaxed position



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post #4 of 11 (permalink) Old 10-05-2008, 07:07 AM Thread Starter
 
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stock

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aftermarket or stock??
this is the stock pipe.I checked to make sure engine mounts were good and they are. I see a lot of aftermarket pipes available but I want to keep the same sound level of the stock exhaust.
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post #5 of 11 (permalink) Old 10-05-2008, 12:52 PM
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this is the stock pipe.I checked to make sure engine mounts were good and they are. I see a lot of aftermarket pipes available but I want to keep the same sound level of the stock exhaust.
Could be running lean causing them to get to hot.

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post #6 of 11 (permalink) Old 10-05-2008, 01:42 PM
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Could be running lean causing them to get to hot.
Good call Max! I didn't think of that! Also when you bolt the exhaust on do it evenly and not in sections. Meaning tighten all the bolts a little at a time instead of tightening where they mount to the head and then cranking down on the muffler etc.

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post #7 of 11 (permalink) Old 10-07-2008, 12:25 AM
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Checking for a lean condition is a great start as previously mentioned, but even if you have the ideal 14.7/1 ratio the head pipe will be glowing in the night time after a spirited ride. I have read about others with problems regarding cracked stock head pipes.
I know you said the head pipe was stock, but what about the muffler? I imagine it's stock as well due to your sound level comment. Do you have a bumper installed? I had a problem where the bumper mount would hit the muffler when the bed was tilted.

Just an idea, if you have a bumper and the bed still tilts it's something to check out.

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post #8 of 11 (permalink) Old 12-03-2008, 04:54 PM
 
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Angry Please Help

I have four Rhino 660's and have broken every header I've placed on them. I've replaced them with SS headers, DG full exhaust, new high flow fuel pump, re-jetted and still break everything....Please help
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post #9 of 11 (permalink) Old 12-03-2008, 05:15 PM
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I have four Rhino 660's and have broken every header I've placed on them. I've replaced them with SS headers, DG full exhaust, new high flow fuel pump, re-jetted and still break everything....Please help
First I would look at the system loose on the rhino. If the header and silencer binds up after you tighten the bolts thats a problem. If nothing is in a bind you either have a lean condition gettin the exhaust too hot and tempering the metal OR you have a junk system. It is also possible that you have a bad motor mount causing excessive movement.



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post #10 of 11 (permalink) Old 12-13-2008, 12:00 PM
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You need slip joint /spring in at least 2 locations to allow for heat expansion / vibration
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