Pontiac - Street No question too basic here!

          
 
 
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Old 08-06-2019, 11:40 PM
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TB1 TB1 is offline
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Join Date: Aug 2017
Location: Nanaimo BC Canada
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Default 1969 Intake runner threaded hole?



I’ve got a quick question. In the pic I have installed a 5/16” bolt into the hole in #8 runner that was a major vacuum leak. Was this used as a vacuum port originally? I had the manifold CNC ported by SD Performance (full meal deal) so maybe it broke through. Either way just curious as it’s plugged now and the car runs way better....... can’t believe I didn’t find this sooner!
thanks
Trevor.


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Last edited by TB1; 08-06-2019 at 11:55 PM.
 


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