Reply to "4 x Weber 48 IDF (not IDA) conversion"

George PAdmin.

On the contrary my friend, any 2V intake manifold will bolt up to a 3V head. It takes lifter valley rail spacers sold by CHI for that purpose, plus some minor elongation of a few of the manifold bolt holes.

You see, the heads are a little bit wider than a standard 2V head, its as if spacers are "built in".

That should put a grin on your face!

Of course, every bit you raise the intake manifold, takes away that much clearance between the carbs & engine screen. My advice would be to use the CHI 2V heads to keep things as low as possible. Check out the flow figures. those heads will support 600 bhp, how much more does a feller need?

cowboy from hell

3/19/073:03 PM

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