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Need 2 intake manifolds for 5.7Mag Gen +

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Old 06-30-2017, 02:21 PM
  #11  
SB
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Here is the merc:
typical tunnel ram but with custom top.
No one aftermarket offered true tunnel ram for vortec heads.

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Old 06-30-2017, 02:25 PM
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SB ...yeah i know the chevy one is different....but the mercruiser one i think i somewhat based off that desing....i think he may have the Mercruiser 320 EFI "high performance" intakes...they are a tunnel ram two piece style...based off what i saw in his pictures...
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Old 06-30-2017, 02:28 PM
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Originally Posted by SB
Here is the merc:
typical tunnel ram but with custom top.
No one aftermarket offered true tunnel ram for vortec heads.

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i think weiand had something close:https://www.summitracing.com/parts/wnd-7542p/overview/
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Old 06-30-2017, 02:42 PM
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Sounds like time for carbs or Holley efi
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Old 06-30-2017, 05:49 PM
  #15  
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Originally Posted by Wally
Nope. But getting closer.

Too bad John Lingenfelter wasn't still around (for many other reasons too of course) as I believe he was the one who designed this intake for the earlier scorpion engines. Change on these newer ones is just the bolt holes for the Vortec heads. So, who cast it ? Edelbrock ? Holley ? Someone else ? I guess it doesn't matter because it's not like they would cast a few. Bummer !

To me, they look like the old Victor Pro-Ram (Edelbrock) but with rounder runners.


Last edited by SB; 06-30-2017 at 06:11 PM.
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Old 07-27-2017, 01:56 PM
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I ended up finding someone that could weld it is a very hard place to get too. I couldn't find another one to purchase. All the external engine parts are now going to Vincent Custom Paint next week. Going to get rid of the old decal on top of the EFIs and come up with something really cool painted.
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