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That sounds correct based on my limited experience

By SkipC - 05/23/2002 2:18:47 PM; IP 192.58.199.182

I have a friend with a '70 428CJ/Auto that I have the "honor" of working on time to time. His will knock badly on 93 octane gas. He mixes some race gas in with each tank. The CJ compression is too high for modern gas. Things you might try:
Combustion chamber cleaner
Retard timing (watch for overheating)
Run mixture a little rich (re-jet)
Cooler thermostat
However, all are band-aids for the high compression :(

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Collapse <a href=../ForumFE/reply.aspx?ID=13044&Reply=13044><img src=../images/reply.png width=30 height=10></a> <a href="#" id="anchor13044" onclick="return false;">Timing advance</a> -- <font color=#0000ff>Joel, <i>05/21/2002</i></font><script type="text/javascript">
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Timing advance -- Joel, 05/21/2002

That sounds correct based on my limited experience -- SkipC, 05/23/2002

Collapse <a href=../ForumFE/reply.aspx?ID=13074&Reply=13044><img src=../images/reply.png width=30 height=10></a> <a href="#" id="anchor13074" onclick="return false;">More to the point, Joel...</a> -- <font color=#0000ff>Gerry Proctor, <i>05/24/2002</i></font><script type="text/javascript">
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More to the point, Joel... -- Gerry Proctor, 05/24/2002

Collapse <a href=../ForumFE/reply.aspx?ID=13076&Reply=13044><img src=../images/reply.png width=30 height=10></a> <a href="#" id="anchor13076" onclick="return false;">RE: More to the point, Joel...</a> -- <font color=#0000ff>Joel, <i>05/24/2002</i></font><script type="text/javascript">
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RE: More to the point, Joel... -- Joel, 05/24/2002

Keep in mind... -- Dave Shoe, 05/24/2002

Collapse <a href=../ForumFE/reply.aspx?ID=13078&Reply=13044><img src=../images/reply.png width=30 height=10></a> <a href="#" id="anchor13078" onclick="return false;">RE: More to the point, Joel...</a> -- <font color=#0000ff>Gerry Proctor, <i>05/24/2002</i></font><script type="text/javascript">
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RE: More to the point, Joel... -- Gerry Proctor, 05/24/2002

RE: More to the point, Joel... -- salid, 05/24/2002

I dissagree but thenI'm a dissagreable old F*#@ -- Bob H., 05/24/2002

RE: Timing advance -- Joel, 05/27/2002