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Original Message
He is using 2 carbs, but I have advice still :)
By Ross - 10/11/2000 7:50:05 AM; IP 152.163.207.197
A built 428 should take 2 600's however we ran 2 450's right out the box on a 427 and MAN what a nice street motor. The new Holleys are only 170 a piece through summit, and just bolt them on they will be close.

However, if you want to check yours, put a vacuum gauge on and see what the motor holds for idle. With too much cam the vac may be low and opening the powervalve at all times.

I use manifold vacuum / 2 + .5 to pick a PV. That should lean it out if its dumping fuel. Also make sure your float level is right.

Myself I'd prefer the 2 450's on a 428, but we have done plenty, even 390's that can run good with 2 600's - Ross
This thread, so far...
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Collapse <a href=../ForumFE/reply.aspx?ID=2993&Reply=2993><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor2993" onclick="return false;">What carb(s) should I use?</a>&nbsp;-- <font color=#0000ff>Will, <i>10/10/2000</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=2993', contentMargin: 60, icon: $('anchor2993') }); </script>  What carb(s) should I use? -- Will, 10/10/2000
Collapse <a href=../ForumFE/reply.aspx?ID=2996&Reply=2993><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor2996" onclick="return false;">RE: What carb(s) should I use?</a>&nbsp;-- <font color=#0000ff>Geo, <i>10/10/2000</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=2996', contentMargin: 60, icon: $('anchor2996') }); </script>  RE: What carb(s) should I use? -- Geo, 10/10/2000
Collapse <b>He is using 2 carbs, but I have advice still :)</b>&nbsp;-- <font color=#0000ff>Ross, <i>10/11/2000</i></font>He is using 2 carbs, but I have advice still :) -- Ross, 10/11/2000
 RE: He is using 2 carbs, but I have advice still :) -- Will, 10/12/2000
Collapse <a href=../ForumFE/reply.aspx?ID=3002&Reply=2993><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor3002" onclick="return false;">RE: What carb(s) should I use?</a>&nbsp;-- <font color=#0000ff>Morgan, <i>10/11/2000</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=3002', contentMargin: 60, icon: $('anchor3002') }); </script>  RE: What carb(s) should I use? -- Morgan, 10/11/2000
Collapse <a href=../ForumFE/reply.aspx?ID=3004&Reply=2993><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor3004" onclick="return false;">RE: What carb(s) should I use?</a>&nbsp;-- <font color=#0000ff>Will, <i>10/11/2000</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=3004', contentMargin: 60, icon: $('anchor3004') }); </script>  RE: What carb(s) should I use? -- Will, 10/11/2000
Collapse <a href=../ForumFE/reply.aspx?ID=3023&Reply=2993><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor3023" onclick="return false;">GT500 smell, exhaust spit</a>&nbsp;-- <font color=#0000ff>Dan Cundiff, <i>10/14/2000</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=3023', contentMargin: 60, icon: $('anchor3023') }); </script>  GT500 smell, exhaust spit -- Dan Cundiff, 10/14/2000
Collapse <a href=../ForumFE/reply.aspx?ID=3035&Reply=2993><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor3035" onclick="return false;">RE: GT500 smell, exhaust spit</a>&nbsp;-- <font color=#0000ff>Will, <i>10/15/2000</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=3035', contentMargin: 60, icon: $('anchor3035') }); </script>  RE: GT500 smell, exhaust spit -- Will, 10/15/2000
Collapse <a href=../ForumFE/reply.aspx?ID=3044&Reply=2993><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor3044" onclick="return false;">RE: GT500 smell, exhaust spit</a>&nbsp;-- <font color=#0000ff>Morgan, <i>10/16/2000</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=3044', contentMargin: 60, icon: $('anchor3044') }); </script>  RE: GT500 smell, exhaust spit -- Morgan, 10/16/2000
Collapse <a href=../ForumFE/reply.aspx?ID=3046&Reply=2993><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor3046" onclick="return false;">RE: GT500 smell, exhaust spit</a>&nbsp;-- <font color=#0000ff>Will, <i>10/16/2000</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=3046', contentMargin: 60, icon: $('anchor3046') }); </script>  RE: GT500 smell, exhaust spit -- Will, 10/16/2000
Collapse <a href=../ForumFE/reply.aspx?ID=3077&Reply=2993><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor3077" onclick="return false;">RE: GT500 smell, exhaust spit</a>&nbsp;-- <font color=#0000ff>Morgan, <i>10/19/2000</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=3077', contentMargin: 60, icon: $('anchor3077') }); </script>  RE: GT500 smell, exhaust spit -- Morgan, 10/19/2000
Collapse <a href=../ForumFE/reply.aspx?ID=3079&Reply=2993><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor3079" onclick="return false;">RE: GT500 smell, exhaust spit</a>&nbsp;-- <font color=#0000ff>Will, <i>10/19/2000</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=3079', contentMargin: 60, icon: $('anchor3079') }); </script>  RE: GT500 smell, exhaust spit -- Will, 10/19/2000
Collapse <a href=../ForumFE/reply.aspx?ID=3081&Reply=2993><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor3081" onclick="return false;">RE: The reason for the 750</a>&nbsp;-- <font color=#0000ff>Morgan, <i>10/19/2000</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=3081', contentMargin: 60, icon: $('anchor3081') }); </script>  RE: The reason for the 750 -- Morgan, 10/19/2000
 RE: The reason for the 750 -- Will, 10/19/2000
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