Original Message
RE: Compression test results
By salid - 01/05/2002 9:16:26 PM; IP 208.186.86.103
that sounds like the symptoms I had when the nylon teeth came off mycam timing gear. To check, take off the distributor cap and manually turn the engine backwards. You should get a nearly immediate movement in the distributor rotor. You may want to turn it back and forth a few time to see how many degres the crank will turn before the rotor moves. If you don't get nearly immediate movement, drain the oil and check for little nylon splinters. If you find these splinters, it is bad, you'll need to tear down the engine to clean it all out. Those splinters will clog up the oil pick-up screen, so you may also notice a lose of oil pressure if you have a high volume pump.

Those gears tend to give up in the winter when you start a cold engine.

I hope this isn't your problem, and that it is something simple like bad wires, my cj also tends to develop sudden problems when the wires get old.
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 backfiring 428 cj -- Greg, 01/02/2002
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 RE: backfiring 428 cj -- Tim B, 01/02/2002
Collapse <a href=../ForumFE/reply.aspx?ID=10384&Reply=10381><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor10384" onclick="return false;">RE: backfiring 428 cj</a>&nbsp;-- <font color=#0000ff>Greg, <i>01/02/2002</i></font><script type="text/javascript">
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 RE: backfiring 428 cj -- Greg, 01/02/2002
 RE: backfiring 428 cj -- Davy Gurley, 01/02/2002
 Check the compression. -- Dave Shoe, 01/02/2002
Collapse <a href=../ForumFE/reply.aspx?ID=10390&Reply=10381><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor10390" onclick="return false;">RE: backfiring 428 cj</a>&nbsp;-- <font color=#0000ff>Ross, <i>01/03/2002</i></font><script type="text/javascript">
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 RE: backfiring 428 cj -- Ross, 01/03/2002
 Check for sticking advance plate too... -- Bill Conley, 01/03/2002
Collapse <a href=../ForumFE/reply.aspx?ID=10394&Reply=10381><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor10394" onclick="return false;">  another update.....</a>&nbsp;-- <font color=#0000ff>Greg, <i>01/03/2002</i></font><script type="text/javascript">
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  another update..... -- Greg, 01/03/2002
 Thoughts to Ponder -- John, 01/03/2002
Collapse <a href=../ForumFE/reply.aspx?ID=10400&Reply=10381><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor10400" onclick="return false;">Compression test results</a>&nbsp;-- <font color=#0000ff>Greg, <i>01/03/2002</i></font><script type="text/javascript">
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 Compression test results -- Greg, 01/03/2002
Collapse <a href=../ForumFE/reply.aspx?ID=10406&Reply=10381><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor10406" onclick="return false;">RE: Compression test results</a>&nbsp;-- <font color=#0000ff>John, <i>01/03/2002</i></font><script type="text/javascript">
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 RE: Compression test results -- John, 01/03/2002
RE: Compression test results -- salid, 01/05/2002
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