Like I said the conversion is done. What I need to know is why the '90 intake is different. The '86 only has one large vaccuum line and a smaller tree, the '90 has TWO large vaccuum lines and the same smaller tree, on the intake itself. Also, it does not have and of the original air pump equipment on it. How should I run the lines to ensure I do not have a vaccuum leak. Right now, the vaccuum fluctuates at idle, as opposed to my '95 which remains steady at idle.
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