70Monte#itsonlymoney Posted September 6, 2017 Share Posted September 6, 2017 More questions..lol Im running a 454 with a victor Jr 2904 manifold anyone know w/o drilling and tapping it were the vacuum for the power brake booster can run or any other options? Quote Link to comment Share on other sites More sharing options...
Paul Bell Posted September 7, 2017 Share Posted September 7, 2017 These manifolds are usually used with a carb spacer to improve performance. You can buy a spacer and drill & tap the ports you need or get something like this: http://www.ebay.com/itm/1-Aluminum-Carburator-Spacer-W-3-8-Vaccum-Tube-Fits-Chevy-Ford-Mopar-Holley-/132290948343?hash=item1ecd27acf7:m:mBT_k990BJ_sc_9jl6d_5Cw&vxp=mtr 1 Quote Link to comment Share on other sites More sharing options...
GatorDog72 Posted September 9, 2017 Share Posted September 9, 2017 A couple other options would be to get an auxiliary vacuum pump for the brakes, or switch to a hydro boost set-up. The hydro boost runs off the power steering pump and doesn't require vacuum. Quote Link to comment Share on other sites More sharing options...
mymontesa70 Posted September 11, 2017 Share Posted September 11, 2017 hydrobooooooost is awesome Quote Link to comment Share on other sites More sharing options...
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