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Author Topic: Cox rod question  (Read 1528 times)

Offline Russell Shaffer

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Cox rod question
« on: March 16, 2006, 06:38:00 PM »
How loose can the rod to piston joint get before there is a problem?  I have several old .049's that click when flipped over.  It's not that they are valuable, so how long can I run them before they hand grenade?
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Russell Shaffer
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Just North of the California border

Offline Joey Mathison 9806

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Re: Cox rod question
« Reply #1 on: March 16, 2006, 08:07:27 PM »
cox makes a reset tool just for that issue
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200 mph man ama#9806 joey mathison

Offline Bill Little

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Re: Cox rod question
« Reply #2 on: March 16, 2006, 10:35:21 PM »
Quote from: Joey Mathison 600980 on March 16, 2006, 08:07:27 PM
cox makes a reset tool just for that issue

Another source for the reset tool is Davis Diesel.
The rods do need to be reset and it's pretty simple to do with the right tool.  Joey would know more since I suspect he has raced or ran some in speed, but I have been told that it doesn't take much slop to affect performance.  I reset a couple of mine and need to see what effect it had.
« Last Edit: March 17, 2006, 12:17:52 PM by Bill Little »
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Offline Leroy Heikes

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Re: Cox rod question
« Reply #3 on: March 17, 2006, 09:55:57 AM »
I have the tool, and it does make a difference in how they run. They seem to have more power after you use the tool on them

Leroy
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Offline john e. holliday

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Re: Cox rod question
« Reply #4 on: March 17, 2006, 08:03:34 PM »
The re-set tool is great in improving performance if you don't go too far.  I know from experience.  But, it only takes a couple of runs to get them working.  DOC Holliday
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Offline minnesotamodeler

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Re: Cox rod question
« Reply #5 on: March 17, 2006, 11:01:21 PM »
You can run them with a loose rod until the rod comes out through the piston top.  Then you should stop.

--Ray
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--Ray 
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