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RE: 390 in Mach 1 (Still Trying)

By Tim - 08/30/2001 10:20:33 PM; IP 208.63.187.198

I have the 80508-1 4160 Holley 750 Carb. I Just went to smaller jets (66's) with no change. Although this time I raised the secondary speed adjustment screw and completely loosened the primary screw. This made it smoke worse at the same speed. Also when I shut the Car off a light haze of smoke comes from the secondary throttle plates. This makes me think it's getting way to much fuel from the secondaries. Does anyone know if this type carb has problems with the secondaries? I'm thinking that if I replaced the secondary metering plate with holley's conversion kit (Metering Block) that this might solve my problem. Does anyone recommend trying this? Tim

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Collapse <a href=../ForumFE/reply.aspx?ID=7881&Reply=7881><img src=../images/reply.png width=30 height=10></a> <a href="#" id="anchor7881" onclick="return false;">390 in Mach 1</a> -- <font color=#0000ff>Tim, <i>08/29/2001</i></font><script type="text/javascript">
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390 in Mach 1 -- Tim, 08/29/2001

Collapse <a href=../ForumFE/reply.aspx?ID=7884&Reply=7881><img src=../images/reply.png width=30 height=10></a> <a href="#" id="anchor7884" onclick="return false;">I think its simple: get a smaller carb. [n/m]</a> -- <font color=#0000ff>Mr F, <i>08/29/2001</i></font><script type="text/javascript">
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I think its simple: get a smaller carb. [n/m] -- Mr F, 08/29/2001

RE: I think your right!. -- RC Moser, 08/30/2001

Please tell us more about your car. -- Dave Shoe, 08/30/2001

RE: 390 in Mach 1 -- Tim, 08/30/2001

RE: 390 in Mach 1 -- Ray, 08/30/2001

Collapse <b>RE: 390 in Mach 1 (Still Trying)</b> -- <font color=#0000ff>Tim, <i>08/30/2001</i></font>

RE: 390 in Mach 1 (Still Trying) -- Tim, 08/30/2001

Collapse <a href=../ForumFE/reply.aspx?ID=7913&Reply=7881><img src=../images/reply.png width=30 height=10></a> <a href="#" id="anchor7913" onclick="return false;">RE: 390 in Mach 1 Try This!</a> -- <font color=#0000ff>Royce Peterson, <i>08/31/2001</i></font><script type="text/javascript">
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RE: 390 in Mach 1 Try This! -- Royce Peterson, 08/31/2001

RE: 390 in Mach 1 Try This! -- John W., 08/31/2001