Nothing, as long as you're planning on putting a breather in the hole. I'd say keep it how it is now, that's a PVC system, and keeps the breathers from smoking... which makes a really nasty smell if you happen to use synthetic oil. Plus the spacer should improve top end power.
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kenny
85 El Camino 355ci
350 turbo - 4.11's
best run so far 12.92
My Page
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kenny
85 El Camino 355ci
350 turbo - 4.11's
best run so far 12.92
My Page