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Old 12-12-2012, 07:52 AM
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Originally Posted by sscanrun View Post
I have to drill a hole on the single plane intake. That means I have to remove it?
Really? There are NO provisions on that intake?
There is usually one on the rear face of the manifold, below the carb mounting flange. If not, that's where I would CAREFULLY drill and tap a 1/8" NPT hole for a small vacuum hose-barb.

You may be able to do this by simply removing the carb and taping off the intake runners to prevent any material getting away on you. Drill and tap the hole, and then vacuum up the debris.

Use extreme care when tightening any pipe thread fittings on an aluminum intake, as the the thread is tapered and can crack the intake if over-tightened.
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