Interesting intake manifold modifications per 1976 Direct Connection Racing Manual

[Brooks James]

FYI
Laster one is LD340 modification

 

[toolmanmike]

FYI
Laster one is LD340 modification

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So you can use a T Quad

 

[rumblefish360]

Well known, very well known. Glad you found it.
I did the mod to my LD-340 as shown w/a TQ. This is suggested for a cam with over .600 lift. Which is a read between the lines speak for, so this mod with big *** cams!