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Original Message
RE: GT500 smell, exhaust spit
By Will - 10/16/2000 1:14:20 PM; IP 24.26.244.215
First of all, I still have 2.79 gears in the rear-end, so most of the time, I have to slip the clutch a little. It's a Versailles rear-end, and I haven't changed the gears yet.

From a dead stop, if I floor it, it studders, hesitates, emits a strong gas smell, and finally takes off. If I floor it when I'm going 20-30 mph, or if I pop the clutch, it spins and takes off.

I messed with the linkage a little last night. The back carb was only opening 1/4 of the way. Now it should work off the front carb for the first 1/3, then the back carb will start up. By the time the front carb is all the way open, the back carb will be too. It's hard to describe, but I moved the stud on the front carb so that it travels through a longer arc.

My idea is to have the primaries of the carbs work like a typical double pumper. To do that, I think I need to remove the power valve on the back carb, and go up a few sizes on the jets.

Surely the original GT-500 had power valves in the back carb. How did it avoid a rich condition with the progressive linkage? What appears to be happening to my car is the back carb is flooding the intake.

Oh yeah, I've checked for vacuum leaks, and I did't find any.

Thanks for the info, it helps a lot.
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 <a href=../ForumFE/reply.aspx?ID=3000&Reply=2993><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor3000" onclick="return false;">He is using 2 carbs, but I have advice still :)</a>&nbsp;-- <font color=#0000ff>Ross, <i>10/11/2000</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=3000', contentMargin: 60, icon: $('anchor3000') }); </script>  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 <b>RE: GT500 smell, exhaust spit</b>&nbsp;-- <font color=#0000ff>Will, <i>10/16/2000</i></font>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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