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plugs for FI holes

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Old 08-31-2014, 06:28 AM
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Default plugs for FI holes

I have a Holley FI throttle body intake I am going to use a carb on
I need to plug the injector holes, looking for ideas on plugs
it will be boosted, so I need some kind of "swell" plug or something
anyone done this
Old 08-31-2014, 10:13 AM
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Originally Posted by forcd ind
I have a Holley FI throttle body intake I am going to use a carb on
I need to plug the injector holes, looking for ideas on plugs
it will be boosted, so I need some kind of "swell" plug or something
anyone done this

Tap the holes & use screw in brass plugs. Could also size the holes to accommodate pressed in freeze plugs.
Old 08-31-2014, 11:05 AM
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I want to keep the integrity of the holes, just in case
Old 09-01-2014, 10:23 AM
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Originally Posted by forcd ind
I want to keep the integrity of the holes, just in case
Could fill 'em in w/ an epoxy that can be removed w/ high heat. Splash zone marine epoxy has been successfully used in plastic manifold repairs. I'd say JB weld could work on an aluminum manifold. That's all I got short of making your own plugs using stock "o"-rings on a grooved rod w/ a cap on the end to make it look better.
Old 09-01-2014, 11:20 AM
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i put dummy injectors. people would ask are you carb or efi? or both lol
Old 09-02-2014, 12:20 PM
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Just get some expandable freeze plugs. You know the kind that you screw down the set screw to expand the rubber. That's what I would do. Maybe seal them with some grease when you put them in and check for vacuum leaks when done. Eric L
Old 09-02-2014, 04:25 PM
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Would be really nice to plug them with a direct port kit




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