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Original Message
I'm not sure, but I believe...
By Dave Shoe - 09/11/2002 3:11:38 PM; IP 12.104.160.195
...the Offy manifold with the split runner has only an upper plane and a lower plane.

This intake actually has four levels - two levels in the upper plane and two levels in the lower plane.

The center carb's driver-side venturi takes the low path to four cylinders on the lower plane, and the center carb's passenger side venturi takes the low path on the upper plane. The center carb is on a completely different flow circuit than the end carbs.

I would have liked to take some photos of the intake with the carbs removed, but that was not in the schedule.

Interestingly, I also verified the 352HP and 390HP intake manifolds are of slightly different runner design. I've heard stories and rumors that the 390HP intake flowed 10% better than the 352HP intake, but it wasn't until I compared them side-by-side that I saw notable external casting differences in the runners.

Shoe.
This thread, so far...
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Collapse <a href=../ForumFE/reply.aspx?ID=14312&Reply=14312><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor14312" onclick="return false;">Shoe, How did your day with Genesis go? nm</a>&nbsp;-- <font color=#0000ff>Louie, <i>09/09/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=14312', contentMargin: 60, icon: $('anchor14312') }); </script>  Shoe, How did your day with Genesis go? nm -- Louie, 09/09/2002
Collapse <a href=../ForumFE/reply.aspx?ID=14338&Reply=14312><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor14338" onclick="return false;">Genesis was the first stop on my trip.</a>&nbsp;-- <font color=#0000ff>Dave Shoe, <i>09/10/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=14338', contentMargin: 60, icon: $('anchor14338') }); </script>  Genesis was the first stop on my trip. -- Dave Shoe, 09/10/2002
Collapse <a href=../ForumFE/reply.aspx?ID=14342&Reply=14312><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor14342" onclick="return false;">RE: Genesis / Good news Dave</a>&nbsp;-- <font color=#0000ff>Ray, <i>09/10/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=14342', contentMargin: 60, icon: $('anchor14342') }); </script>  RE: Genesis / Good news Dave -- Ray, 09/10/2002
 I'm not sure what the prices will be. -- Dave Shoe, 09/11/2002
Collapse <a href=../ForumFE/reply.aspx?ID=14345&Reply=14312><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor14345" onclick="return false;">RE: H.Ford Museum/Total Performance.</a>&nbsp;-- <font color=#0000ff>Mike McQuesten, <i>09/10/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=14345', contentMargin: 60, icon: $('anchor14345') }); </script>  RE: H.Ford Museum/Total Performance. -- Mike McQuesten, 09/10/2002
Collapse <a href=../ForumFE/reply.aspx?ID=14346&Reply=14312><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor14346" onclick="return false;">Here's one pic of that intake.</a>&nbsp;-- <font color=#0000ff>Dave Shoe, <i>09/11/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=14346', contentMargin: 60, icon: $('anchor14346') }); </script>  Here's one pic of that intake. -- Dave Shoe, 09/11/2002
Collapse <a href=../ForumFE/reply.aspx?ID=14353&Reply=14312><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor14353" onclick="return false;">Looks alot like an offy...</a>&nbsp;-- <font color=#0000ff>Alan Casida, <i>09/11/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=14353', contentMargin: 60, icon: $('anchor14353') }); </script>  Looks alot like an offy... -- Alan Casida, 09/11/2002
Collapse <b>I'm not sure, but I believe...</b>&nbsp;-- <font color=#0000ff>Dave Shoe, <i>09/11/2002</i></font>I'm not sure, but I believe... -- Dave Shoe, 09/11/2002
 RE: 352HP vs. 390HP intake -- Mike McQuesten, 09/12/2002
Collapse <a href=../ForumFE/reply.aspx?ID=14366&Reply=14312><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor14366" onclick="return false;">Shoe, I live 15 minutes from Dove</a>&nbsp;-- <font color=#0000ff>Dave Racela, <i>09/12/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=14366', contentMargin: 60, icon: $('anchor14366') }); </script>  Shoe, I live 15 minutes from Dove -- Dave Racela, 09/12/2002
 Will do. -- Dave Shoe, 09/12/2002
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