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The double valley plate deal works and is the easiest way to solve the problem. I've used my valley plates that way before. The other option is to build some custom valley ends. It isn't too tough of a fab job for a local machine shop.

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Thanx for the input fellas - I thought I may go with the fabbed spacers but upon reflection, its prob better to go the route BG suggested and go the double valley late.

As I dotn want to have to remove the Indy plate to swap intakes(to do it you have to remove at least one head), if I reuse the Indy valley plate and use countersunk bolts, itll be easier for me to swap b/w the Barton intake and the Indy 426-4 intake as the Indy plate sits below both heads on the deck and cant be removed with both heads on.





Here's another pic of the gap and the Indy Valley plate. For those who want to know, the Valley plate has two diff thicknesses at its end as cast/machined. 0.44" (11mm) and 0.23" (6mm) mm as can be seen in the pic.

Thanks to all.