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Old 10-30-2011, 09:03 PM   #1
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Need help Holley carb has no vacuum ports

Hello So I have a 306 with edelbrock victor jr heads and victor jr intake manifold with a HP 750 DP I know it's to much carb for my setup so I bought a 600 cfm that holley recomended and now this new carb doesn't have the vacuum ports for my power brake booster is it safe to drill and tap the victor jr intake? Please help and has anyone done this? Thanks guys
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Old 10-30-2011, 09:47 PM   #2
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Port

Yes drill and tap the back of the intake just under the carb. Done it many times.
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All hail the almighty B cam! From 175 HP 1985 5.0HO to 1200 HP Turbo cars..........Completely universal, any combo, any goal! B cam or be Slow!



408 internal balance, H beam rods, probe -22cc pistons AFR205's, super victor, custom XFI based stroker cam, 248/258 on a 111 LC. 1.75 hooker super comps, 4.00 gear 9" 4500 converter. 4 wheel power disk brake stock looking 66 mustang weighing in at 2985 with driver!!
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Old 10-30-2011, 10:06 PM   #3
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Originally Posted by n2omaverick View Post
Yes drill and tap the back of the intake just under the carb. Done it many times.
Ok what size drill bit and what do I screw in when I tap it do you have any pics of this done? And what ever small parts I will need or where I could get them? Thanks
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Old 10-30-2011, 10:09 PM   #4
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Go to the hardware store, buy the drill bit and tap for 3/8 NPT, then go to the auto parts store and buy a brass fuel barb 3/8ntp to 3/8 fuel line barb. Should all be well under $20.
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All hail the almighty B cam! From 175 HP 1985 5.0HO to 1200 HP Turbo cars..........Completely universal, any combo, any goal! B cam or be Slow!



408 internal balance, H beam rods, probe -22cc pistons AFR205's, super victor, custom XFI based stroker cam, 248/258 on a 111 LC. 1.75 hooker super comps, 4.00 gear 9" 4500 converter. 4 wheel power disk brake stock looking 66 mustang weighing in at 2985 with driver!!
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Old 10-30-2011, 10:20 PM   #5
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Quote:
Originally Posted by n2omaverick View Post
Go to the hardware store, buy the drill bit and tap for 3/8 NPT, then go to the auto parts store and buy a brass fuel barb 3/8ntp to 3/8 fuel line barb. Should all be well under $20.
Ok will do thanks
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