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Changes to Step #1

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+[title] Prep the intake manifold
+[* 9] A big bore throttle body should not be used on a manifold that has not been bored to match or exceed the diameter of the throttle body (ie, a 70mm throttle body can be used on a manifold that’s bored to 74mm, but not on a manifold that’s bored to 65mm)
+[* 1] If you intend to bore the manifold yourself, use the supplied plastic gasket to trace out the bore before removing the studs.
+[* 1] Remove the gasket and check to see that the traced circle as shown in the figure.

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