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2nd Generation
having issues drilling lower intake
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<blockquote data-quote="baja5bss" data-source="post: 12752314" data-attributes="member: 101498"><p>Alright,after gathering stuff for the past couple weeks for the coolant crossover mod and painting the lower intake i decided to drill/tap the lower intake today.Well I drilled a pilot hole in the drivers side,like a dumb ass i used a step drill bit to start drilling after i made the pilot hole.After i got to the size i needed to the hole to be i realized what i had done and got out a regular drill bit but noticed that it doesnt want to drill a clean hole.It wants to do its own thing.The drill bit isnt bent and when i spin it,it spins true.But its using the outer edge of the drill bit and its all over the place.Same thing when i try to drill the passenger side after i took out the metal L elbow.(for the coolant to go from passenger head to heater core). Is there anything i can do to save this project and keep me from buying a new lower intake?Thanks in advance.</p><p></p><p>The 1/2npt tap that i am using recommends a 45/64 bit,the closest thing i have locally is a 11/16,which is 1/64th off.So if anyone has that bit they can see what im talking about on the passenger side coolant tube.</p><p></p><p>This is what im doing.<a href="http://www.lightningrodder.com/forum...d.php?t=104587" target="_blank">http://www.lightningrodder.com/forum...d.php?t=104587</a></p></blockquote><p></p>
[QUOTE="baja5bss, post: 12752314, member: 101498"] Alright,after gathering stuff for the past couple weeks for the coolant crossover mod and painting the lower intake i decided to drill/tap the lower intake today.Well I drilled a pilot hole in the drivers side,like a dumb ass i used a step drill bit to start drilling after i made the pilot hole.After i got to the size i needed to the hole to be i realized what i had done and got out a regular drill bit but noticed that it doesnt want to drill a clean hole.It wants to do its own thing.The drill bit isnt bent and when i spin it,it spins true.But its using the outer edge of the drill bit and its all over the place.Same thing when i try to drill the passenger side after i took out the metal L elbow.(for the coolant to go from passenger head to heater core). Is there anything i can do to save this project and keep me from buying a new lower intake?Thanks in advance. The 1/2npt tap that i am using recommends a 45/64 bit,the closest thing i have locally is a 11/16,which is 1/64th off.So if anyone has that bit they can see what im talking about on the passenger side coolant tube. This is what im doing.[url]http://www.lightningrodder.com/forum...d.php?t=104587[/url] [/QUOTE]
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having issues drilling lower intake
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